CFB750-300S SERIES
750 WATT 2:1 INPUT
ISOLATED DC-DC CONVERTER
Features
⚫ Efficiency to 91%
⚫ Fixed Switching Frequency
⚫ Remote On/Off
⚫ Fully Protected (OTP/OCP/OVP/UVLO)
⚫ 3000Vac I/O Isolation
⚫ Operating Case Temperature -40 to +85℃
⚫ Full-Brick Size Meet Industrial Standard
4.60”x2.40”x0.5”
⚫ Shock & Vibration MIL-STD-810F(EN 61373) Compliant
⚫ Fire & Smoke EN 45545-2 Compliant
⚫ 2000m Operating Altitude
⚫ Safety Meets UL/IEC/EN 62368-1
OUTPUT CURRENT
% EFF.
CAPACITOR
FULL LOAD
(1)
LOAD MAX.
10 mA
2.84 A
89
10000uF
50 A
10 mA
2.84 A
89
10000uF
0 mA
31.2 A
10 mA
2.78 A
90
10000uF
28VDC
0 mA
26.7 A
10 mA
2.78 A
90
10000uF
36VDC
0 mA
20.8 A
10 mA
2.78 A
90
8000uF
48VDC
0 mA
15.6 A
10 mA
2.78 A
91
8000uF
MODEL
INPUT
OUTPUT
NUMBER
VOLTAGE
VOLTAGE
MIN.
MAX.
CFB750-300S12 200-425VDC
12VDC
0 mA
62.5 A
CFB750-300S15 200-425VDC
15VDC
0 mA
CFB750-300S24 200-425VDC
24VDC
CFB750-300S28 200-425VDC
CFB750-300S36 200-425VDC
CFB750-300S48 200-425VDC
INPUT CURRENT
NO LOAD
NOTE:
1. Nominal Input Voltage 300 VDC.
2. The Output Terminal Required a Minimum Capacitor 1000uF to Maintain Specified Regulation.
3. Require a Ceramic Capacitor 1500pF Connected Between ±Vin to Case for All Models.
4. An External Input Capacitor 330uF for All Models Are Recommended To Reduce Input Ripple Voltage.
5. Measure at Nominal Input Voltage.
PART NUMBER
Series
CFB750-
Nominal Input
Voltage
II
Number of
Outputs
O
Nominal Output
Voltage
XX
Remote On/Off
Logic
L
Mounting Inserts
-Y (Option)
12:12VDC
15:15VDC
CFB750
300:300 VDC
S:Single
24:24VDC
28:28VDC
None:Positive
N:Negative
Clear Mounting
None:
Insert (3.5mm DIA.)
36:36VDC
48:48VDC
Part Number Example:
CFB750-300S28N: Full Brick, 750W, 2:1 200-425Vdc Input, Single 28Vdc Output, Negative Logic, Clear Mounting Insert
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1
REVISION: V16
CFB750-300S
Series
TECHNICAL SPECIFICATIONS
(All specifications are typical at nominal input, full load at 25℃ unless otherwise noted.)
ABSOLUTE MAXIMUM RATINGS
PARAMETER
NOTES and CONDITIONS
Device
Min.
Input Voltage
Input Surge Voltage
Continuous
All
-0.3
100ms max.
All
Operating Case Temperature
At the center part of base plate
All
Max.
Units
425
Vdc
475
Vdc
-40
85
℃
All
-55
105
℃
Device
Min.
Typ.
Max.
Units
All
200
300
425
Vdc
Turn-On Voltage Threshold
All
185
190
195
Vdc
Turn-Off Voltage Threshold
All
175
180
185
Vdc
Lockout Hysteresis Voltage
All
10
Vdc
Module-On Voltage
All
480
Vdc
Module -Off Voltage
All
500
Vdc
All
4.3
A
Storage Temperature
Typ.
INPUT CHARACTERISTICS
PARAMETER
NOTES and CONDITIONS
Operating Input Voltage
Input Under Voltage Lockout
Input Over Voltage Protection
Maximum Input Current
Vin=200V, Full load
No-Load Input Current
Vin=300V, Io=0A
Input Filter
Pi Filter
All
Inrush Current (I2t)
As per ETS300 132-2
All
0.1
A2 s
Input Reflected Ripple Current
P-P Thru 12uH Inductor, 5Hz to 20MHz
All
60
mA
See Model Number Table
mA
OUTPUT CHARACTERISTICS
PARAMETER
NOTES and CONDITIONS
Device
Min.
Voltage Set Point Accuracy
Vin=300V, Full load, Tc=25℃
All
-1.0
Load Regulation
Full load to no load
Line Regulation
Vin=Low line to high line, full load
Temperature Coefficient
Tc=-40℃ to 85℃
Typ.
Max.
Units
+1.0
%
All
±0.5
%
All
±0.2
%
All
±0.02
%/℃
Vo=12V
300
Vo=15V
300
Vo=24V
600
Vo=28V
600
Vo=36V
650
Vo=48V
750
Vo=12V
150
Vo=15V
150
Vo=24V
300
Vo=28V
300
Vo=36V
300
Output Voltage Regulation
Output Voltage Ripple and Noise (5Hz to 20MHz bandwidth)
Peak-to-Peak
Full load, 1000uF aluminum and 1.0uF
ceramic capacitors
RMS.
Vo=48V
Output Current Range
Vin= 200 to 425V
Over Current Protection
Continuous current. Auto recovery
Short Circuit Protection
105
All
External Load Capacitance
Full Load (resistive)
Output Voltage Trim Range
Po≦max. rated power, Io≦Io_max.
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350
See Model Number Table
All
115
A
125
2
%
Continuous, Auto Recovery
See Model Number Table
All
mV
-40
uF
+10
%
REVISION: V16
CFB750-300S
PARAMETER
NOTES and CONDITIONS
Output Voltage Remote Sense
Range
Po≦max. rated power, Io≦Io_max.
% of nominal Vo
Limited voltage, % of nominal Vo
Over Voltage Protection
Auxiliary Output Voltage
Auxiliary Output Current
Power Good Signal (IOG)
Load Share Accuracy (50%-100% load)
Vout Ready: low level, sink current
Vout not Ready: open drain output, applied
voltage
The condition is to use two modules. If you
use more modules, please contact cincon
Device
Min.
Typ.
All
Series
Max.
Units
+10
%
All
115
125
140
%
All
7
10
13
V
All
20
mA
All
20
mA
All
50
V
+10
%
Max.
Units
All
-10
EFFICIENCY
PARAMETER
NOTES and CONDITIONS
100% Load
Vin=300V
Device
Min.
Typ.
See Model Number Table
%
DYNAMIC CHARACTERISTICS
PARAMETER
NOTES and CONDITIONS
Device
Min.
Typ.
Max.
Units
Output Voltage Current Transient
Error Band
Recovery Time
Turn-On Delay and Rise Time
Turn-On Delay Time, From
On/Off Control
Turn-On Delay Time, From Input
Output Voltage Rise Time
75% to 100% of Io_max. step load change
di/dt=0.1A/us
(within 1% Vout nominal)
Full load (constant resistive load)
All
±5
%
All
500
us
Von/off to 10%Vo_set, Remote on
All
100
ms
Vin_min. to 10%Vo_set, Power up
All
600
ms
10%Vo_set to 90%Vo_set
All
40
ms
ISOLATION CHARACTERISTICS
PARAMETER
Isolation Voltage
(100% factory hi-pot tested
@2sec.)
Isolation Resistance
Isolation Capacitance
NOTES and CONDITIONS
Device
Min.
Typ.
1 Minute; input to output
All
1 Minute; input to case (base plate)
All
1 Minute; output to case (base plate)
All
Input to output
All
Input to output
All
Input to case (base plate)
All
NC
Output to case (base plate)
All
20000
Max.
Units
3000
4200
2500
3500
500
700
Vac
Vdc
Vac
Vdc
Vac
Vdc
MΩ
10
NC
pF
FEATURE CHARACTERISTICS
PARAMETER
NOTES and CONDITIONS
Switching Frequency
Pulse width modulation (PWM), fixed
Device
Min.
Typ.
Max.
Units
All
170
200
230
KHz
0
3.5 or
Open
Circuit
1.2
V
75
V
75
V
1.2
V
1
mA
30
uA
10
mA
On/Off Control, Positive Remote On/Off Logic, Refer to -Vin Pin
Logic Low (Module Off)
Von/off at Ion/off=1.0mA
All
Logic High (Module On)
Von/off at Ion/off=0.0uA
All
On/Off Control, Negative Remote On/Off Logic, Refer to -Vin Pin
Logic High (Module Off)
Logic Low (Module On)
On/Off Current (for Both Remote
On/Off Logic)
Leakage Current (for Both Remote
On/Off Logic)
Off Converter Input Current
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Von/off at Ion/off=0.0uA
All
Von/off at Ion/off=1.0mA
All
Ion/off at Von/off=0.0V
All
Logic high, Von/off=15V
All
Shutdown input idle current
All
3
3.5 or
Open
Circuit
0
0.3
5
REVISION: V16
CFB750-300S
PARAMETER
NOTES and CONDITIONS
Over Temperature Shutdown
Temperature at the center part of base plate,
non-latching
Over Temperature Recovery
Device
Min.
Typ.
Series
Max.
Units
All
95
℃
All
75
℃
GENERAL SPECIFICATIONS
PARAMETER
NOTES and CONDITIONS
MTBF
Io=100% of Io_max.;
MIL-HDBK - 217F_Notice 1, GB, 25℃
Weight
Device
Typ.
Max.
Units
All
370
K
hours
All
230
grams
Case Material
Plastic, DAP, UL 94V-0
Base plate Material
Aluminum
Potting Material
Shock/Vibration
UL 94V-0
Base: Copper
Plating: Nickel with Matte Tin
MIL-STD-810F/EN 61373 Compliant
Humidity
95% RH max. Non condensing
Altitude
2000m Operating altitude, 12000m Transport altitude
Thermal Shock
MIL-STD-810F
Pin Material
Min.
EMC SPECIFICATIONS (External components required, please refer to application note.)
EMI
Meets EN 55032 (with external filter)
ESD
Meets IEC/EN 61000-4-2
Air ± 8kV, Contact ± 4kV
Perf. Criteria A
Radiated Immunity
Meets IEC/EN 61000-4-3
3 V/m
Perf. Criteria A
Fast Transient
Meets IEC/EN 61000-4-4
± 1kV, external components required
Meets IEC/EN 61000-4-5
EN 55024: Line to earth ± 4kV, Line to line ± 2kV, external components required
Meets IEC/EN 61000-4-6
3Vrms
Perf. Criteria A
Meets IEC/EN 61000-4-8
Perf. Criteria A
Surge
Conducted Immunity
Power Frequency Magnetic Field
Immunity
Application Note Link
50/60Hz, 3A/m (r.m.s.)
Perf. Criteria A
Perf. Criteria A
CFB750-300S Series App Notes
Packaging Information Link
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Class A
Packaging Information
4
REVISION: V16
CFB750-300S
CHARACTERISTIC CURVE
Series
Power Derating Curve
CFB750-300S12,15 Derating Curve
without Heatsink (Vin=300V)
Natural
200 ft./min.
300 ft./min.
400 ft./min.
500 ft./min.
600 ft./min.
700 ft./min.
800 ft./min.
80
70
60
50
40
30
Output Power (%)
Output Power (%)
90
20
10
0
0
20
30
40
50
60
70
Ambient Temperature (℃)
80
90
60
50
40
30
Output Power (%)
70
20
10
0
0
10
30
40
50
60
70
Ambient Temperature (℃)
80
90
60
50
40
30
Output Power (%)
70
20
10
0
0
10
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20
30
40
50
60
70
Ambient Temperature (℃)
80
90
200 ft./min.
300 ft./min.
400 ft./min.
100
20
30
40
50
60
70
Ambient Temperature (℃)
80
90
100
Natural
100 ft./min.
200 ft./min.
300 ft./min.
400 ft./min.
10
20
30
40
50
60
70
Ambient Temperature (℃)
80
90
100
CFB750-300S48 Derating Curve
with Heatsink FBL254 (Vin=300V)
110
100
90
80
70
60
50
40
30
20
10
0
Natural
100 ft./min.
200 ft./min.
300 ft./min.
400 ft./min.
0
5
10
CFB750-300S24,28,36 Derating Curve
with Heatsink FBL254 (Vin=300V)
0
Natural
200 ft./min.
300 ft./min.
400 ft./min.
500 ft./min.
600 ft./min.
700 ft./min.
800 ft./min.
80
100 ft./min.
110
100
90
80
70
60
50
40
30
20
10
0
100
CFB750-300S48 Derating Curve
without Heatsink (Vin=300V)
90
Output Power (%)
20
Natural
0
Natural
200 ft./min.
300 ft./min.
400 ft./min.
500 ft./min.
600 ft./min.
700 ft./min.
800 ft./min.
80
110
100
90
80
70
60
50
40
30
20
10
0
100
CFB750-300S24,28,36 Derating Curve
without Heatsink (Vin=300V)
90
Output Power (%)
10
CFB750-300S12,15 Derating Curve
with Heatsink FBL254 (Vin=300V)
10
20
30
40
50
60
70
Ambient Temperature (℃)
80
90
100
REVISION: V16
CFB750-300S
Performance Data
CFB750-300S12
Eff Vs Io @25 Deg. C
120
Power Dissipation (W)
Efficiency (%)
100%
100
90%
80%
200V
70%
300V
425V
60%
10%
20%
30%
40%
50%
60%
70%
80%
80
CFB750-300S12
Pd Vs Po @25 Deg. C
200V
300V
425V
60
40
20
0
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
90% 100%
Output Power (%)
Current Load (%)
CFB750-300S15
Eff Vs Io @25 Deg. C
120
Power Dissipation (W)
Efficiency (%)
100%
90%
80%
200V
70%
300V
425V
60%
10%
20%
30%
40%
50%
60%
70%
80%
100
80
CFB750-300S15
Pd Vs Po @25 Deg. C
200V
300V
425V
60
40
20
0
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
90% 100%
Output Power (%)
Current Load (%)
CFB750-300S24
Eff Vs Io @25 Deg. C
120
Power Dissipation (W)
Efficiency (%)
100%
90%
80%
200V
70%
300V
425V
60%
10%
20%
30%
40%
50%
60%
70%
80%
100
80
CFB750-300S24
Pd Vs Po @25 Deg. C
200V
300V
425V
60
40
20
0
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
90% 100%
Output Power (%)
Current Load (%)
CFB750-300S28
Eff Vs Io @25 Deg. C
120
Power Dissipation (W)
Efficiency (%)
100%
90%
80%
200V
70%
300V
425V
60%
10%
20%
30%
40%
50%
60%
70%
80%
100
80
CFB750-300S28
Pd Vs Po @25 Deg. C
200V
300V
425V
60
40
20
0
90% 100%
Current Load (%)
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Series
6
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Output Power (%)
REVISION: V16
CFB750-300S
CFB750-300S36
Eff Vs Io @25 Deg. C
120
Power Dissipation (W)
Efficiency (%)
100%
90%
80%
200V
70%
300V
425V
60%
10%
20%
30%
40%
50%
60%
70%
80%
100
80
CFB750-300S36
Pd Vs Po @25 Deg. C
200V
300V
425V
60
40
20
0
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
90% 100%
Output Power (%)
Current Load (%)
CFB750-300S48
Eff Vs Io @25 Deg. C
120
Power Dissipation (W)
Efficiency (%)
100%
100
90%
80%
200V
70%
300V
425V
60%
10%
20%
30%
40%
50%
60%
70%
80%
80
CFB750-300S48
Pd Vs Po @25 Deg. C
200V
300V
425V
60
40
20
0
90% 100%
Current Load (%)
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Series
7
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Output Power (%)
REVISION: V16
CFB750-300S
Series
MECHANICAL SPECIFICATION
0.300 [7.62]
0.22 [5.5]
1.400 [35.56]
4.20 [106.7]
0.400 [10.16]
0.20 [5.1]
0.900 [22.86]
2.40 [61.0]
0.04 [1.0] DIA
7
6
5
3
4
0.08 [2.0] DIA
2
2.00 [50.8]
10
9
8
1
0.50 [12.7]
16
15
14
13
12
11
0.100 [2.54]
0.150 [3.81]
0.150 [3.81]
0.150 [3.81]
BOTTOM VIEW
0.400 [10.16]
0.300 [7.62]
0.150 [3.81]
0.20 [5.1]
Mounting Inserts
Φ3.5 Through 4PI.
0.050 [1.27]
0.150 [3.81]
0.150 [3.81]
PIN CONNECTION
PIN
Function
1
-V Input
2
+V Input
3
-On/Off
4
+On/Off
5-7
+V Output
8-10
-V Output
11
-Sense
12
+Sense
Trim
13
14
PC
15
IOG
AUX
16
NOTE:Pin Size is 0.04±0.004 Inch [1.0±0.1 mm]DIA
Pin Size is 0.08±0.004 Inch [2.0±0.1 mm]DIA
All Dimensions In Inches [mm]
Tolerances Inches: X.XX= ±0.02 , X.XXX= ±0.010
Millimeters: X.X= ±0.5 , X.XX=±0.25
4.60 [116.8]
E-mail: sales@cincon.com
Web: www.cincon.com
8
REVISION: V16