PKV 3000 I – PKV 5000 I
DC/DC converter
Input 9-36 and 18-72 Vdc
Output up to 0.5 A / 3 W
Key Features
• Industry standard DIL24
• Wide input voltage range,
9–36 V, 18–72 V
• High efficiency 74–83% typical
• Low idling power
• Full output power up to +75 °C
ambient temperature
• Input/Output isolation 1,500 Vdc
• MTBF > 650,000 hours at +25 °C
ambient
• Functional insulation
according to UL 62368-1
Safety Approvals
Design for Environment
Meets requirements in high-temperature
lead-free soldering processes.
The PKV series of DC/DC power modules is intended for
general use in 12/24 V and 48/60V DC systems. Designed
with MOSFET transistors and 200 kHz switching
frequency, they are characterized by high efficiency over
a wide load range, very low quiescent power and an
excel- lent line and load regulation.
The DC/DC power modules are encapsulated in an epoxy filled plastic box. The flammability ratings of the
encapsulating materials are in conformance with UL
94V-0 and have an adequate thermal conductivity. The
materials withstand all normal PBA cleaning methods.
Flex is an ISO 9001/14001 certified supplier.
Datasheet
General
Safety
Absolute Maximum Ratings
Characteristics
min
max
Units
TC
Case temperature1)
–40
+95
°C
TS
Storage temperature
–40
+125
°C
VI
Input voltage, 0.1 s max
40
80
Vdc
VISO
Isolation voltage2)
(input to output test voltage)
PKV 3000
PKV 5000
Vdc
1,500
Stress in excess of Absolute Maximum Ratings may cause permanent damage. Absolute
Maximum Ratings, sometimes referred to as no destruction limits, are normally tested with
one parameter at a time exceeding the limits of Output data or Electrical Characteristics.
If exposed to stress above these limits, function and performance may degrade in an
unspecified manner.
Note:
1)
Corresponding typical ambient temperature
range (TA) at full output power is – 40 to
+75°C.
2)
Typical Isolation voltage of PKV5211 module
is 2,000 Vdc
Input
TA = +25°C, unless otherwise specified
Characteristics
Conditions
VI
Input voltage range
TA= – 40 to +75°C
VIoff
Turn-off input voltage
Inrush current
VIac
Peak
I2t
min
PKV 3000
PKV 5000
typ
max
9
18
PKV 3000
PKV 5000
Low loss,
low inductive
capacitive source
PKV 3000
PKV 5000
Units
36
72
V
8
16
V
35
0.005
0.005
A
A2s
A2s
• Isolate the faulty DC/DC converter
from the input power source not to
affect the operation of other parts of
the system.
Idling power
IO = 0
0.3
W
Ripple voltage
IO = IOmax, BW=20 MHz
100
mVp-p
Miscellaneous
Characteristics
Conditions
min
typ
max
Unit
Input/Output
coupling capacitor
RH = 48%, TC = +25°C
f = 100 Hz
1000
pF
Switching frequency
VI = VInom, IO = IOmax
200
kHz
The PKV 3000 I and PKV 5000 I series
DC/DC converters are designed in
accordance with safety standards
UL 62368-1, Safety of Information
Technology Equipment. The PKV
3000 I and PKV 5000 I series DC/
DC converters are UL 62368-1
recognized. The DC/DC converter
should be installed in the end-use
equipment, in accordance with the
requirements of the ultimate
application. The input source must be
isolated by minimum Basic insulation
from the primary circuit in accordance
with UL 62368-1. If the input voltage
to the DC/DC converter is 72 V dc or
less, then the output remains SELV
(Safety Extra Low Voltage) under
normal and abnormal operating
conditions.
It is recommended that a slow blow
fuse with a rating of 2 x IImax be used
at the input of each DC/DC converter.
If a fault occurs in the converter that
imposes a short circuit on the input
source, this fuse will provide the
following functions:
• Protect the distribution wiring from
excessive current and power loss
thus preventing hazardous overheating.
The galvanic isolation is verified in an
electric strength test. The test voltage
(VISO) between input and output is 1500
Vdc for 60 seconds. Leakage current is
less than 1µA at nominal input voltage.
The flammability rating for all
construction parts of the DC/DC
converter meets UL 94V-0.
Environmental Characteristics
Test method
Reference
Vibration
(Sinusoidial)
IEC 68-2-6 FC
Shock
(Half-sinus)
Temperature change
2
Test procedure & conditons
Frequency
Amplitude
Accelaration
Number of cycles
Test duration
10...500Hz
0.75 mm
10 g
10 in each axis
1 h per axis
IEC 68-2-27 Ea
Peak acceleration
Shock duration
200g
3 ms
IEC 68-2-14 Na
Temperature
Number of cycles
– 40°C to +125°C
100
28701- BMR 702 Rev. D © Flex, October 2023
Mechanical Data
3.0 - 3.5
(0.120 - 0.140)
PIN SECTION
Width
Thickness
Connections
Pin
Designation
2
3
9
10
11
14
15
16
22
23
– In
–In
NC/Rtn
NC
NC/–Out
+Out
NC
Rtn
+In
+In
Weight:
Maximum 15 g
(0.53 oz).
Function
Single output
Dual output
Negative input
Negative input
Not connected
Not connected
Not connected
Positive output
Not connected
Output return
Positive input
Positive input
Negative input
Negative input
Output return
Not connected
Negative output
Positive output
Not connected
Output return
Positive input
Positive input
Pins:
Material: Copper
Plating: 3 µm Tin over 1.5 µm Ni
Case:
Non-conductive
plastic, UL 94V-0.
28701- BMR 702 Rev. D © Flex, October 2023
3
PKV 3211 PI
Output
TA =+25°C, VI = 9...36 V unless otherwise specified.
Characteristics
VO
IO =0.1 …1.0 × IO max
and long term drift
Line regulation
IO =IOmax
Load regulation
IO =0.1 …1.0 × IO max, VI = 26 V
Load transient
recovery time
Vtr
Load transient voltage
Tcoeff
Temperature coefficient
tr
Ramp-up time
ts
Start-up time
IO
Output current
max
min
Output voltage
tolerance band
ttr
PO
Output 1
Conditions
4.90
IO= 0.1 …1.0 × IO max, VI = 26 V
load step = 0.5 × IO max
IO=
0.1…1.0 × IO max,
VI = 26 V
10
25
mV
10
50
mV
300
µs
+100
mV
–100
mV
±0.02
0.5
From VI connection
to VO = 0.9 × VOi
800
TC < TC max
Isc
Short circuit current
VI =26 V
VO ac
Output ripple & noise
IO =IO max,TA = 25 °C
1300
ms
0.5
A
SVR
Supply voltage
rejection (ac)
f = 100/120 Hz sine wave, 1 Vp-p,
(SVR = 20 log (1 Vp-p/VOp-p))
W
0.5
DC 20 MHz
%/°C
ms
2.5
Current limiting
threshold1)
Unit
V
0.1 …0.9 × VO
Max output power
max
5.10
Measured after stabilization
Ilim
1) At
typ
1.62
A
0.25
A
60
mVp-p
60
dB
Vout ≤ 80% of nominal the power module goes into hick up mode.
Miscellaneous
Efficiency (typ)
4
Power derating
Characteristics
Conditions
min
typ
η
Efficiency
IO = IOmax, VI = 26 V
76
82
Pd
Power dissipation
IO =IO max, VI = 26 V
0.55
max
Unit
%
0.79
28701- BMR 702 Rev. D © Flex, October 2023
W
PKV 3313 PI
Output
TA = +25°C, VI = 9...36 V unless otherwise specified.
Characteristics
VO
min
Output voltage
tolerance band
IO =0.1 …1.0 × IO max
and long term drift
Line regulation
IO =IOmax
Load regulation
IO =0.1 …1.0 × IO max, VI = 26 V
Vtr
Load transient voltage
Tcoeff
Temperature coefficient
tr
Ramp-up time
ts
Start-up time
IO
Output current
max
IO= 0.1 …1.0 × IO max, VI = 26 V
load step = 0.5 × IO max
IO=
0.1…1.0 × IO max,
VI = 26 V
max
V
24
60
mV
24
120
mV
300
µs
+150
mV
–150
mV
± 0.02
0.1 …0.9 × VO
1.2
From VI connection
to VO = 0.9 × VOi
800
Max output power
TC < TC max
Isc
Short circuit current
VI =26 V
VO ac
Output ripple & noise
IO =IO max,TA = 25 °C
1300
ms
0.25
A
SVR
Supply voltage
rejection (ac)
f = 100/120 Hz sine wave, 1 Vp-p,
(SVR = 20 log (1 Vp-p/VOp-p))
W
0.25
DC … 20 MHz
%/°C
ms
3
Current limiting
threshold1)
Unit
12.24
Measured after stabilization
Ilim
1) At
typ
11.76
Load transient
recovery time
ttr
PO
Output 1
Conditions
0.81
A
0.35
A
60
mVp-p
60
dB
Vout ≤ 80% of nominal the power module goes into hick up mode.
Miscellaneous
Power derating
Efficiency (typ)
Characteristics
Conditions
min
typ
η
Efficiency
IO = IOmax, VI = 26 V
76
82
Pd
Power dissipation
IO =IO max, VI = 26 V
28701- BMR 702 Rev. D © Flex, October 2023
0.66
max
Unit
%
0.95
W
5
PKV 3315 PI
Output
TA = +25°C, VI = 9...36 V unless otherwise specified.
Characteristics
VO
Output 1
Conditions
min
Output voltage
tolerance band
IO =0.1 …1.0 × IO max
and long term drift
Line regulation
IO =IOmax
Load regulation
IO =0.1 …1.0 × IO max, VI = 26 V
14.7
Load transient
recovery time
ttr
IO= 0.1 …1.0 × IO max, VI = 26 V
load step = 0.5 × IO max
Vtr
Load transient voltage
Tcoeff
Temperature coefficient
Measured after stabilization
tr
Ramp-up time
ts
Start-up time
IO=
0.1…1.0 × IO max,
VI = 26 V
IO
Output current
PO
max
max
V
30
75
mV
30
150
mV
300
µs
+200
mV
–200
mV
0.1 …0.9 × VO
1.2
From VI connection
to VO = 0.9 × VOi
800
Max output power
TC < TC max
Isc
Short circuit current
VI =26 V
VO ac
Output ripple & noise
IO =IO max,TA = 25 °C
1300
ms
0.2
A
SVR
Supply voltage
rejection (ac)
f = 100/120 Hz sine wave, 1 Vp-p,
(SVR = 20 log (1 Vp-p/VOp-p))
W
0.2
DC … 20 MHz
%/°C
ms
3
Current limiting
threshold1)
Unit
15.3
±0.02
Ilim
1) At
typ
0.65
A
0.35
A
60
mVp-p
60
dB
Vout ≤ 80% of nominal the power module goes into hick up mode.
Miscellaneous
Efficiency (typ)
6
Power derating
Characteristics
Conditions
min
typ
η
Efficiency
IO = IOmax, VI = 26 V
76
82
Pd
Power dissipation
IO =IO max, VI = 26 V
0.66
max
Unit
%
0.95
28701- BMR 702 Rev. D © Flex, October 2023
W
PKV 3222 PI
Output
TA =+25°C, VI = 9...36V unless otherwise specified.
Characteristics
VO
Output 1
Conditions
min
+5.1
–4.9
Line regulation
IO =IOmax
10
25
Load regulation
IO =0.1 …1.0 × IO max, VI = 26 V
10
50
+4.9
IO= 0.1 …1.0 × IO max, VI = 26 V
load step = 0.5 × IO max
Load transient voltage
Tcoeff
Temperature coefficient
Measured after stabilization
tr
Ramp-up time
ts
Start-up time
IO=
0.1…1.0 × IO max,
VI = 26 V
IO
Output current
typ
max
–5.1
V
10
25
mV
10
50
mV
300
µs
+100
+100
mV
–100
–100
mV
±0.02
1.2
From VI connection
to VO = 0.9 × VOi
800
±0.02
1.2
1300
800
1.25
Current limiting
threshold1)
TC < TC max
Isc
Short circuit current
VI =26 V
VO ac
Output ripple & noise
IO =IO max, TA = 25 °C
SVR
Supply voltage
rejection (ac)
f = 100/120 Hz sine wave, 1 Vp-p,
(SVR = 20 log (1 Vp-p/VOp-p))
1300
ms
0.25
A
1.25
0.25
0.81
%/°C
ms
0.25
Max output power
Unit
300
0.1 …0.9 × VO
Ilim
1) At
min
IO =0.1 …1.0 × IO max
and long term drift
Vtr
max
max
Output voltage
tolerance band
Load transient
recovery time
ttr
PO
typ
Output 2
W
0.25
0.81
A
0.25
0.25
A
60
60
mVp-p
45
45
dB
DC …20 MHz
Vout ≤ 80% of nominal the power module goes into hick up mode.
Miscellaneous
Efficiency (typ)
Power derating
Characteristics
Conditions
η
Efficiency
IO = IOmax, VI = 26 V
Pd
Power dissipation
IO = IO max, VI = 26 V
28701- BMR 702 Rev. D © Flex, October 2023
min
typ
75
82
0.55
max
Unit
%
0.83
W
7
PKV 3321 PI
Output
TA = +25°C, VI = 9...36V unless otherwise specified.
Characteristics
VO
min
+12.24
–11.76
Line regulation
IO =IOmax
24
60
Load regulation
IO =0.1 …1.0 × IO max, VI = 26 V
24
120
+11.76
IO= 0.1 …1.0 × IO max, VI = 26 V
load step = 0.5 × IO max
Tcoeff
Temperature coefficient
Measured after stabilization
tr
Ramp-up time
ts
Start-up time
IO=
0.1…1.0 × IO max,
VI = 26 V
IO
Output current
typ
max
–12.24
V
24
60
mV
24
120
mV
300
µs
+150
+150
mV
–150
–150
mV
±0.02
1.2
From VI connection
to VO = 0.9 × VOi
800
±0.02
1.2
1300
800
1.5
Current limiting
threshold1)
TC < TC max
Isc
Short circuit current
VI =26 V
VO ac
Output ripple & noise
IO =IO max, TA = 25 °C
SVR
Supply voltage
rejection (ac)
f = 100/120 Hz sine wave, 1 Vp-p,
(SVR = 20 log (1 Vp-p/VOp-p))
1300
ms
0.125
A
1.5
0.125
0.400
%/°C
ms
0.125
Max output power
Unit
300
0.1 …0.9 × VO
Ilim
1) At
max
IO =0.1 …1.0 × IO max
and long term drift
Load transient voltage
max
Output 2
Output voltage
tolerance band
Vtr
PO
typ
min
Load transient
recovery time
ttr
W
0.125
0.400
A
0.35
0.35
A
60
60
mVp-p
45
45
dB
DC …20 MHz
Vout ≤ 80% of nominal the power module goes into hick up mode.
Miscellaneous
Power derating
Efficiency (typ)
8
Output 1
Conditions
Characteristics
Conditions
min
typ
η
Efficiency
IO = IOmax, VI = 26 V
73
82
Pd
Power dissipation
IO = IO max, VI = 26 V
0.66
max
Unit
%
1.11
28701- BMR 702 Rev. D © Flex, October 2023
W
PKV 3325 PI
Output
TA = +25°C, VI = 9...36V unless otherwise specified.
Characteristics
VO
Output 1
Conditions
+15.3
–14.7
Line regulation
IO =IOmax
30
75
Load regulation
IO =0.1 …1.0 × IO max, VI = 26 V
30
150
+14.7
IO= 0.1 …1.0 × IO max, VI = 26 V
load step = 0.5 × IO max
Load transient voltage
Tcoeff
Temperature coefficient
Measured after stabilization
tr
Ramp-up time
ts
Start-up time
IO=
0.1…1.0 × IO max,
VI = 26 V
IO
Output current
typ
max
–15.3
V
30
75
mV
30
150
mV
300
µs
+200
+200
mV
–200
–200
mV
±0.02
1.2
From VI connection
to VO = 0.9 × VOi
800
±0.02
1.2
1300
800
1.5
Current limiting
threshold1)
TC < TC max
Isc
Short circuit current
VI =26 V
VO ac
Output ripple & noise
IO =IO max, TA = 25 °C
SVR
Supply voltage
rejection (ac)
f = 100/120 Hz sine wave, 1 Vp-p,
(SVR = 20 log (1 Vp-p/VOp-p))
1300
ms
0.1
A
1.5
0.10
0.32
%/°C
ms
0.1
Max output power
Unit
300
0.1 …0.9 × VO
Ilim
1) At
min
IO =0.1 …1.0 × IO max
and long term drift
Vtr
max
max
Output voltage
tolerance band
Load transient
recovery time
ttr
PO
typ
min
Output 2
W
0.10
0.32
A
0.35
0.35
A
50
50
mVp-p
45
45
dB
DC …20 MHz
Vout ≤ 80% of nominal the power module goes into hick up mode.
Miscellaneous
Efficiency (typ)
Power derating
Characteristics
Conditions
η
Efficiency
IO = IOmax, VI = 26 V
Pd
Power dissipation
IO = IO max, VI = 26 V
28701- BMR 702 Rev. D © Flex, October 2023
min
typ
76
80
0.75
max
Unit
%
0.95
W
9
PKV 5211 PI
Output
TA = +25°C, VI = 18...72V unless otherwise specified. Maximum Recommended Capacitive Load = 660μF.
Characteristics
VO
IO =0.1 …1.0 × IO max
and long term drift
Line regulation
IO =IOmax
Load regulation
IO =0.1 …1.0 × IO max, VI = 53 V
Load transient
recovery time
Vtr
Load transient voltage
Tcoeff
Temperature coefficient
tr
Ramp-up time
ts
Start-up time
IO
Output current
max
min
Output voltage
tolerance band
ttr
PO
Output 1
Conditions
4.90
IO= 0.1 …1.0 × IO max, VI = 53 V
load step = 0.5 × IO max
IO=
0.1…1.0 × IO max,
VI = 53 V
10
25
mV
10
50
mV
300
µs
+100
mV
–100
mV
±0.02
0.5
From VI connection
to VO = 0.9 × VOi
900
TC < TC max
Isc
Short circuit current
VI =53 V
VO ac
Output ripple & noise
IO =IO max,TA = 25 °C
1300
ms
0.5
A
SVR
Supply voltage
rejection (ac)
f = 100/120 Hz sine wave, 1 Vp-p,
(SVR = 20 log (1 Vp-p/VOp-p))
W
0.5
DC … 20 MHz
%/°C
ms
2.5
Current limiting
threshold1)
Unit
V
0.1 …0.9 × VO
Max output power
max
5.10
Measured after stabilization
Ilim
1) At
typ
1.62
A
0.12
A
60
mVp-p
60
dB
Vout ≤ 80% of nominal the power module goes into hick up mode.
Miscellaneous
Efficiency (typ)
Power derating
Characteristics
Conditions
η
Efficiency
IO = IOmax, VI = 53 V
Pd
Power dissipation
IO = IO max, VI = 53 V
10
min
typ
75
82
0.55
max
Unit
%
0.84
W
28701- BMR 702 Rev. D © Flex, October 2023
PKV 5315 PI
Output
TA = +25°C, VI = 18...72V unless otherwise specified.
Characteristics
VO
min
Output voltage
tolerance band
IO =0.1 …1.0 × IO max
and long term drift
Line regulation
IO =IOmax
Load regulation
IO =0.1 …1.0 × IO max, VI = 53 V
Vtr
Load transient voltage
Tcoeff
Temperature coefficient
tr
Ramp-up time
ts
Start-up time
IO
Output current
max
IO= 0.1 …1.0 × IO max, VI = 53 V
load step = 0.5 × IO max
IO=
0.1…1.0 × IO max,
VI = 53 V
30
75
mV
30
150
mV
300
µs
+200
mV
–200
mV
±0.02
1.2
From VI connection
to VO = 0.9 × VOi
900
TC < TC max
Isc
Short circuit current
VI =53 V
VO ac
Output ripple & noise
IO =IO max,TA = 25 °C
1300
ms
0.2
A
SVR
Supply voltage
rejection (ac)
f = 100/120 Hz sine wave, 1 Vp-p,
(SVR = 20 log (1 Vp-p/VOp-p))
W
0.20
DC … 20 MHz
%/°C
ms
3
Current limiting
threshold1)
Unit
V
0.1 …0.9 × VO
Max output power
max
15.3
Measured after stabilization
Ilim
1) At
typ
14.7
Load transient
recovery time
ttr
PO
Output 1
Conditions
0.65
A
0.17
A
60
mVp-p
60
dB
Vout ≤ 80% of nominal the power module goes into hick up mode.
Miscellaneous
Efficiency (typ)
Power derating
Characteristics
Conditions
η
Efficiency
IO = IOmax, VI = 53 V
Pd
Power dissipation
IO = IO max, VI = 53 V
28701- BMR 702 Rev. D © Flex, October 2023
min
typ
76
82
0.66
max
Unit
%
0.95
W
11
PKV 5222 PI
Output
TA = +25°C, VI = 18...72V unless otherwise specified.
Characteristics
VO
Output 1
Conditions
min
+5.1
–4.9
Line regulation
IO =IOmax
10
25
Load regulation
IO =0.1 …1.0 × IO max, VI = 53 V
10
50
+4.9
Vtr
Load transient voltage
Tcoeff
Temperature coefficient
Measured after stabilization
tr
Ramp-up time
ts
Start-up time
IO=
0.1…1.0 × IO max,
VI = 53 V
IO
Output current
IO= 0.1 …1.0 × IO max, VI = 53 V
load step = 0.5 × IO max
typ
max
–5.1
V
10
25
mV
10
50
mV
300
µs
+100
+100
mV
–100
–100
mV
±0.02
1.2
From VI connection
to VO = 0.9 × VOi
900
±0.02
1.2
1300
900
1.25
Current limiting
threshold1)
TC < TC max
Isc
Short circuit current
VI =53 V
VO ac
Output ripple & noise
IO =IO max, TA = 25 °C
SVR
Supply voltage
rejection (ac)
f = 100/120 Hz sine wave, 1 Vp-p,
(SVR = 20 log (1 Vp-p/VOp-p))
1300
ms
0.25
A
1.25
0.25
0.81
%/°C
ms
0.25
Max output power
Unit
300
0.1 …0.9 × VO
Ilim
1) At
min
IO =0.1 …1.0 × IO max
and long term drift
Load transient
recovery time
max
max
Output voltage
tolerance band
ttr
PO
typ
Output 2
W
0.25
0.81
A
0.12
0.12
A
60
60
mVp-p
45
45
dB
DC …20 MHz
Vout ≤ 80% of nominal the power module goes into hick up mode.
Miscellaneous
Efficiency (typ)
12
Power derating
Characteristics
Conditions
min
typ
η
Efficiency
IO = IOmax, VI = 53 V
75
82
Pd
Power dissipation
IO = IO max, VI = 53 V
0.55
max
Unit
%
0.83
28701- BMR 702 Rev. D © Flex, October 2023
W
PKV 5321 PI
Output
TA = +25°C, VI = 18...72V unless otherwise specified.
Characteristics
VO
max
min
+12.24
–11.76
IO =0.1 …1.0 × IO max
and long term drift
Line regulation
IO =IOmax
24
60
Load regulation
IO =0.1 …1.0 × IO max, VI = 53 V
24
120
Load transient voltage
Tcoeff
Temperature coefficient
tr
Ramp-up time
ts
Start-up time
IO
Output current
max
Output 2
Output voltage
tolerance band
Vtr
+11.76
IO= 0.1 …1.0 × IO max, VI = 53 V
load step = 0.5 × IO max
IO=
0.1…1.0 × IO max,
VI = 53 V
typ
max
–12.24
V
24
60
mV
24
120
mV
300
µs
+150
+150
mV
–150
–150
mV
±0.02
0.1 …0.9 × VO
1.2
From VI connection
to VO = 0.9 × VOi
900
±0.02
1.2
1300
900
1.5
Current limiting
threshold1)
TC < TC max
Isc
Short circuit current
VI =53 V
VO ac
Output ripple & noise
IO =IO max, TA = 25 °C
SVR
Supply voltage
rejection (ac)
f = 100/120 Hz sine wave, 1 Vp-p,
(SVR = 20 log (1 Vp-p/VOp-p))
1300
ms
0.125
A
1.5
0.125
0.400
DC …20 MHz
%/°C
ms
0.125
Max output power
Unit
300
Measured after stabilization
Ilim
1) At
typ
min
Load transient
recovery time
ttr
PO
Output 1
Conditions
W
0.125
0.400
A
0.17
0.17
A
60
60
mVp-p
45
45
dB
Vout ≤ 80% of nominal the power module goes into hick up mode.
Miscellaneous
Efficiency (typ)
Power derating
Characteristics
Conditions
η
Efficiency
IO = IOmax, VI = 53 V
Pd
Power dissipation
IO = IO max, VI = 53 V
28701- BMR 702 Rev. D © Flex, October 2023
min
typ
73
82
0.66
max
Unit
%
1.11
W
13
PKV 5325 PI
Output
TA = +25°C, VI = 18...72V unless otherwise specified.
Characteristics
VO
Output 1
Conditions
+15.3
–14.7
Line regulation
IO =IOmax
30
75
Load regulation
IO =0.1 …1.0 × IO max, VI = 53 V
30
150
+14.7
Vtr
Load transient voltage
Tcoeff
Temperature coefficient
Measured after stabilization
tr
Ramp-up time
ts
Start-up time
IO=
0.1…1.0 × IO max,
VI = 53 V
IO
Output current
IO= 0.1 …1.0 × IO max, VI = 53 V
load step = 0.5 × IO max
typ
max
–15.3
V
30
75
mV
30
150
mV
300
µs
+200
+200
mV
–200
–200
mV
±0.02
1.2
From VI connection
to VO = 0.9 × VOi
900
±0.02
1.2
1300
900
1.5
Current limiting
threshold1)
TC < TC max
Isc
Short circuit current
VI =53 V
VO ac
Output ripple & noise
IO =IO max, TA = 25 °C
SVR
Supply voltage
rejection (ac)
f = 100/120 Hz sine wave, 1 Vp-p,
(SVR = 20 log (1 Vp-p/VOp-p))
1300
ms
0.1
A
1.5
0.10
0.32
%/°C
ms
0.1
Max output power
Unit
300
0.1 …0.9 × VO
Ilim
1) At
min
IO =0.1 …1.0 × IO max
and long term drift
Load transient
recovery time
max
max
Output voltage
tolerance band
ttr
PO
typ
min
Output 2
W
0.10
0.32
A
0.17
0.17
A
60
60
mVp-p
45
45
dB
DC …20 MHz
Vout ≤ 80% of nominal the power module goes into hick up mode.
Miscellaneous
Efficiency (typ)
14
Power derating
Characteristics
Conditions
η
Efficiency
IO = IOmax, VI = 53 V
Pd
Power dissipation
IO = IO max, VI = 53 V
min
typ
76
82
0.66
max
Unit
%
0.95
28701- BMR 702 Rev. D © Flex, October 2023
W
EMC Specifications
The PKV DC/DC power module is mounted on a double sided printed circuit board (PB) with groundplane during EMC
measurements. The fundamental switching frequency is
approx. 200 kHz.
The PKV series has a good input filter and will only need a
simple filter to meet conducted noise according to EN 55022
level B. Fig. 1 shows an example of filter and the results for
this filter is shown below.
Fig. 1
Conducted noise
PKV 3211 without filter
PKV 3211 with filter
PKV 5211 without filter
PKV 5211 with filter
28701- BMR 702 Rev. D © Flex, October 2023
15
Delivery Package Information
∙
The PKV series DC/DC converters are delivered in tubes with
a lenght of 384 mm (15.1 in)
Tube Specification
Material:
Max surface resistance:
Color:
Capacity:
Weight:
End stops
Test set up
Miscellaneous
Soldering Information
The PKV Series DC/DC Converters are intended for through
hole mounting in a PCB. When wave soldering is used, the
temperature on the pins is specified to maximum 260 °C
for maximum 10 seconds. Maximum preheat rate of 4 °C/s
and temperature of max 150 °C is suggested. When hand
soldering, care should be taken to avoid direct contact
between the hot soldering iron tip and the pins for more
than a few seconds in order to prevent overheating.
A no-clean (NC) flux is recommended to avoid entrapment of
cleaning fluids in cavities inside of the DC/DC power module.
The residues may affect long time reliability and isolation
voltage.
External Decoupling Capacitors
When powering loads with significant dynamic current
requirements, the voltage regulation at the point of load
can be improved by addition of decoupling capacitors at
the load. The most effective technique is to locate low ESR
ceramic and electrolytic capacitors as close to the load
as possible, using several parallel capacitors to lower the
effective ESR. The ceramic capacitors will handle highfrequency dynamic load changes while the electrolytic
capacitors are used to handle low frequency dynamic
load changes. Ceramic capacitors will also reduce any
high frequency noise at the load. It is equally important to
use low resistance and low inductance PCB layouts and
cabling.
PVC
10 to1000 MOhm/sq
Transparent
10 pcs/tube
typ 160 g
Pins
Reliability
According to MIL-HDBK-217F the calculated MTBF
value at 100% load (from PKV 5211 PI) at the following
ambient temperatures will be approx.:
Tamb
0 °C
10 °C
25 °C
40 °C
60 °C
75 °C
Hours
2.7 million
1.5 million
650 000
276 000
88 000
37 000
At 80–100% load the case temperature will be approx.
15–20 °C higher than the ambient temperature.
Compatibility with RoHS requirements
The products are compatible with the relevant clauses and
requirements of the RoHS directive 2011/65/EU and have a
maximum concentration value of 0.1% by weight in
homogeneous materials for lead, mercury, hexavalent
chromium, PBB and PBDE and of 0.01% by weight in
homogeneous materials for cadmium.
Exemptions in the RoHS directive utilized in Flex products
are found in the Statement of Compliance document.
Flex fulfills and will continuously fulfill all its obligations
under regulation (EC) No 1907/2006 concerning the
registration, evaluation, authorization and restriction of
chemicals (REACH) as they enter into force and is through
product materials declarations preparing for the obligations
to communicate information on substances in the products.
External decoupling capacitors will become part of the
control loop of the DC/DC converter and may affect the
stability margins. As a “rule of thumb”, 100 µF/A of output
current can be added without any additional analysis. The
ESR of the capacitors is a very important parameter. Power
Modules guarantee stable operation with a verified ESR
value of > 10 mOhm across the output connections.
For further information please contact your local Flex
representative.
16
28701- BMR 702 Rev. D © Flex, October 2023
Quality Statement
The PKV series DC/DC converters are designed and
manufactured in an industrial environment where quality systems and methods like ISO 9000 and SPC are
intensively in use to boost the continuous improvements
strategy. Infant mortality or early failures in the products
are screened out by a burn-in procedure.
Warranty
Warranty period and conditions are defined in Flex
General Terms and Conditions of Sale.
Limitation of liability
Flex does not make any other warranties, expressed or
implied including any warranty of merchantability or
fitness for a particular purpose (including, but not
limited to, use in life support applications, where
malfunctions of product can cause injury to a person’s
health or life).
© Flex 2023
The information and specifications in this technical
specification is believed to be correct at the time of
publication. However, no liability is accepted for
inaccuracies, printing errors or for any consequences
thereof. Flex reserves the right to change the
contents of this technical specification at any time
without prior notice.
28701- BMR 702 Rev. D © Flex, October 2023
17
Product Program
VI
VO/IO max
PO max
Ordering No.
12/24 V
5 V/500 mA
12 V/250 mA
15 V/200 mA
± 5 V/250 mA
±12 V/125 mA
±15 V/100 mA
2.5 W
3.0 W
3.0 W
2.5 W
3.0 W
3.0 W
PKV3211PI
PKV3313PI
PKV3315PI
PKV3222PI
PKV3321PI
PKV3325PI
48/60 V
5 V/500 mA
15 V/200 mA
± 5 V/250 mA
±12 V/125 mA
±15 V/100 mA
2.50 W
3.00 W
2.50 W
3.00 W
3.00 W
PKV 5211 PI
PKV 5315 PI
PKV 5222 PI
PKV 5321 PI
PKV 5325 PI
Information given in this data sheet is believed to be accurate and reliable. No
responsibility is assumed for the consequences of its use nor for any infringement
of patents or other rights of third parties which may result from its use.
No license is granted by implication or otherwise under any patent or patent rights
of Flex. These products are sold only according to Flex general conditions of sale,
unless otherwise confirmed in writing.
Specifications subject to change without notice.
The latest and most complete
information can be found on our
website.
Datasheet
18
28701- BMR 702 Rev.D
© Flex, October 2023
28701- BMR 702 Rev. D © Flex, October 2023
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