CQB75-300S SERIES
75 WATT 2:1 INPUT
ISOLATED DC-DC CONVERTER
Features
Efficiency Up to 90%
Fixed Switching Frequency
Regulated Outputs
Remote On/Off
Low No Load Power Consumption
Fully Protected (OTP/OCP/OVP/UVLO)
3000Vac I/O Isolation
Operating Case Temperature -40 to +105℃
Quarter Brick Size Meet Industrial Standard
2.28”x1.45”x0.5”
IEC/EN/UL 62368-1 (Reinforce Insulation) Approval
CB Test Certificate IEC62368-1
Shock & Vibration MIL-STD-810F Compliant
Fire & Smoke EN45545 Compliant
3000m Operating Altitude
-55℃ Operating Available (Suffix “-M2”)
MODEL
INPUT
OUTPUT
NUMBER
VOLTAGE
VOLTAGE
CQB75-300S3V3 180-450 VDC
OUTPUT CURRENT
MIN.
MAX.
INPUT CURRENT
NO LOAD
% EFF.
CAPACITOR
FULL LOAD
(2)
LOAD MAX.
3.3 VDC
0 mA
15 A
10 mA
202 mA
81.5
15000μF
CQB75-300S05
180-450 VDC
5 VDC
0 mA
15 A
10 mA
299 mA
83.5
15000μF
CQB75-300S12
180-450 VDC
12 VDC
0 mA
6.25 A
10 mA
284 mA
88
6250μF
CQB75-300S15
180-450 VDC
15 VDC
0 mA
5A
10 mA
278 mA
89.5
5000μF
CQB75-300S24
180-450 VDC
24 VDC
0 mA
3.12 A
10 mA
279 mA
90
3300μF
CQB75-300S48
180-450 VDC
48 VDC
0 mA
1.56 A
10 mA
280 mA
89
1000μF
NOTE:
1. Nominal Input Voltage 300 VDC.
2. Measured at 300Vin.
3. An External Input Capacitor 33uF for All Models are Recommended to Reduce Input Ripple Voltage.
4. -55℃ Start-up Screen per MIL-STD105E S1 Sampling Procedure for “-M2” Version.
PART NUMBER
Series
CQB75-
Nominal Input
Voltage
II
Number of
Outputs
O
Nominal Output
Voltage
XX
05:5.0VDC
12:12VDC
CQB75
300:300 VDC
S:Single
Remote On/Off
Logic
L
None:Positive
Mounting Inserts
-Y (Option)
None:M3x0.5 Mounting Inserts
Operating Case
Temp. Range
-Z (Option)
None:-40~105℃
15:15 VDC
24:24VDC
28:28VDC
-C:Clear Mounting Insert
(3.2mm DIA.)
-M2:-55~105℃
N:Negative
48:48VDC
-F:Flanged Baseplate with M3
mounting insert
Part Number Example:
CQB75-300S12N-C-M2: Quarter Brick, 75W, 2:1 180-450Vdc Input, Single 12Vdc Output, Negative Logic, Clear Mounting Insert
-55~105℃ Operating Case Temp. Range
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1
REVISION: V12
CQB75-300S
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
At the center part of case plate (with derating)
Typ.
Max.
Units
450
Vdc
500
Vdc
℃
All
-40
105
-M2
-55
105
All
-55
125
℃
Device
Min.
Typ.
Max.
Units
All
180
300
450
Vdc
Turn-On Voltage Threshold
All
165
170
175
Vdc
Turn-Off Voltage Threshold
All
155
160
165
Vdc
Operating Case Temperature
Suffix “-M2” (with derating)
Storage Temperature
INPUT CHARACTERISTICS
PARAMETER
NOTES and CONDITIONS
Operating Input Voltage
Input Under Voltage Lockout
Lockout Hysteresis Voltage
Maximum Input Current
No-Load Input Current
Vin=180V, Full load
All
10
3.3Vo
350
05Vo
520
Others
477
Vin=300V, Io=0A
Vdc
mA
mA
See Model Number Table
Input Filter
Pi filter
All
Inrush Current (I2t)
As per ETS300 132-2
All
Input Reflected Ripple Current
P-P thru 12uH inductor, 5Hz to 20MHz
All
0.1
A2 s
mA
30
OUTPUT CHARACTERISTICS
PARAMETER
NOTES and CONDITIONS
Device
Min.
Voltage Set Point Accuracy
Vin=300V, Full load, Tc=25℃
All
-1.0
Full load to no load
Line Regulation
Vin=High line to low line, full load
Temperature Coefficient
Tc=-40℃ to 105℃
Typ.
Max.
Units
+1.0
%
All
±0.2
%
All
±0.2
%
All
±0.02
%/℃
3.3Vo
100
05Vo
100
12Vo
150
15Vo
150
24Vo
240
48Vo
240
3.3Vo
60
05Vo
60
12Vo
60
15Vo
60
24Vo
100
Output Voltage Regulation
Load Regulation
Output Voltage Ripple and Noise (5Hz to 20MHz bandwidth)
Peak-to-Peak
Output ripple and noise measured with an
external MLCC 1000pF connected between
-Vin to Case, and 10uF aluminum and 1uF
ceramic capacitor across output for 48Vout,
and with 10uF tantalum and 1uF ceramic
capacitor for others
RMS.
48Vo
Output Current Range
Vin= 180 to 450V
Over Current Protection
Hiccup mode. Auto recovery
Short Circuit Protection
External Load Capacitance
www.cincon.com
All
Full load (resistive)
110
135
A
160
%
Continuous, Auto Recovery
See Model Number Table
2
mV
100
See Model Number Table
All
mV
uF
REVISION: V12
CQB75-300S
PARAMETER
NOTES and CONDITIONS
Output Voltage Trim Range
Po≦max. rated power, Io ≦ Io_max.
Device
3.3Vo
05Vo
Others
Min.
Typ.
Po≦max. rated power, Io ≦ Io_max.
% of nominal Vo
+10
-20
+20
+10
05Vo
All
3.3Vo
Over Voltage Protection
Limited voltage, % of nominal Vo
Max.
-20
3.3Vo
Output Voltage Remote Sense
Range
Series
%
%
+20
112
130
Others
122
130
Device
Min.
05Vo
Units
%
EFFICIENCY
PARAMETER
NOTES and CONDITIONS
100% Load
Vin=300V, Full load
Typ.
Max.
See Model Number Table
Units
%
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
250
us
Von/off to 10%Vo_set, Remote on
All
30
ms
Vin_mi.n to 10%Vo_set, Power up
All
30
ms
10%Vo_set to 90%Vo_set
All
30
ms
ISOLATION CHARACTERISTICS
PARAMETER
NOTES and CONDITIONS
1 Minute; input to output
Isolation Voltage
(100% factory Hi-Pot tested
@2sec.)
Isolation Capacitance
Min.
Typ.
All
1 Minute; input to case (base plate)
1 Minute; output to case (base plate)
Isolation Resistance
Device
All
All
Input to output
All
Input to output
All
333
Input to case (base plate)
All
None
Output to case (base plate)
All
4400
Max.
Units
3000
Vac
4200
Vdc
2500
Vac
3500
Vdc
500
Vac
700
Vdc
100
MΩ
pF
FEATURE CHARACTERISTICS
PARAMETER
NOTES and CONDITIONS
Switching Frequency
Pulse width modulation (PWM), fixed
Device
Min.
Typ.
Max.
Units
All
270
300
330
KHz
On/Off Control, Positive Remote On/Off Logic, Refer to -Vin Pin
Logic Low (Module Off)
Von/off at Ion/off=1.0mA
Logic High (Module On)
Von/off at Ion/off=0.0uA, Pin open=on
-M2
0
1.0
Others
0
1.2
All
3.5
75
V
All
3.5
75
V
-M2
0
1.0
Others
0
1.2
V
On/Off Control, Negative Remote On/Off Logic, Refer to -Vin Pin
Logic High (Module Off)
Von/off at Ion/off=0.0uA, Pin open=off
Logic Low (Module On)
Von/off at Ion/off=1.0mA
On/Off Current (for Both Remote
On/Off Logic)
Leakage Current (for Both Remote
On/Off Logic)
www.cincon.com
Ion/off at Von/off=0V
All
Logic high, Von/off=15V
All
3
0.3
V
1
mA
30
uA
REVISION: V12
CQB75-300S
PARAMETER
NOTES and CONDITIONS
Off Converter Input Current
Shutdown input idle current
Temperature at the center part of base plate,
non-latching
Over Temperature Shutdown
Device
Over Temperature Recovery
Min.
Series
Typ.
Max.
Units
All
5
10
mA
All
110
℃
All
100
℃
GENERAL SPECIFICATIONS
PARAMETER
NOTES and CONDITIONS
MTBF
Device
850
300S05
850
Io=100% of Io_max.;
300S12
850
MIL-HDBK - 217F_Notice 1, GB, 25℃
300S15
850
Case Material
Plastic, DAP, UL 94V-0
Base plate Material
Aluminum
Potting Material
UL 94V-0
Base: Copper
Plating: Nickel with Matte Tin
MIL-STD-810F Compliant
Shock/Vibration
Typ.
300S3V3
300S24
850
300S48
1050
All
61
Weight
Pin Material
Min.
Humidity
95% RH max. Non Condensing
Altitude
3000m Operating Altitude, 12000m Transport Altitude
Thermal Shock
MIL-STD-810F
Max.
Units
K
hours
grams
Fire & Smoke
EN45545-2 Compliant
EMI
Meets EN55032 & EN55022 Compliant (with external filter)
ESD
EN61000-4-2
Level 3: Air ±8kV, Contact ±6kV
Perf. Criteria A
Radiated Immunity
EN61000-4-3
Level 3: 80~1000MHz, 20V/m
Perf. Criteria A
Fast Transient
EN61000-4-4
Level 3: On power input port, ±2kV, external input capacitor required
Perf. Criteria A
Surge
EN61000-4-5
Level 4: Line to earth, ±4kV, Line to line, ±2kV
Perf. Criteria A
Conducted Immunity
Power Frequency Magnetic Field
immunity
Application Note Link
EN61000-4-6
Level 3: 0.15~80MHz, 10V
Perf. Criteria A
EN61000-4-8
50/60Hz, 3A/m (r.m.s.)
Perf. Criteria A
Class A
CQB75-300S Series App Notes
Packaging Information Link
Packaging Information
Immunity to Environmental Conditions
Phenomenon
Reference Clause
Reference Standard
Vibration Test
MIL-STD-810F Table
514.5C-VIII Figure
514.5C-6
MIL-STD-810F
Shock Test
MIL-STD-810F 516.5
Table 516.5-I
MIL-STD-810F
Thermal Shock Cycling Test
MIL-STD-810F 503.4
Figure 503.4-1
MIL-STD-810F
Thermal Humidity Cycling
Test
MIL-STD-810F Notice 3
Method 507.4
MIL-STD-810F
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4
Test Conditions
Unit are Non-Operating
Vibration Waveform: Random
Vibration Frequency: 15 ~ 2000 Hz
Vibration axis: X、Y、Z axis
Duration: 1hr / axis
Wave form: Sawtooth Wave
Test Category: Crash Hazard Test
for Ground Equipment
Duration: 10 ms
Peak Acceleration: 75 G
Cross-Over Frequency: 80 Hz
No. of Shock: Each axis 3 times
Shock Direction:±X, ±Y, ±Z axis
Temperature: -55℃ to 105℃
Humidity: 95%RH
Duration: 8hrs/ 3 times cycling &
4hrs dwell time
Temperature: 60℃ to 30℃
Humidity: 95%RH
Duration: 240 hrs
Result
Pass
Pass
Pass
Pass
REVISION: V12
CQB75-300S
Series
EN45545-2 Fire & Smoke Test Conditions
Item
Standard
Oxygen Index Test
R22
Smoke Density Test
Smoke Toxicity Test
Oxygen Index Test
R23
Smoke Density Test
Smoke Toxicity Test
R24
Oxygen Index Test
R25
Glow - Wire Test
R26
Vertical Flame Test
Hazard Level
EN 45545-2: 2013
EN ISO 4589-2: 2006
EN 45545-2: 2013
EN ISO 5659-2: 2013
EN 45545-2: 2013
NF X70-100: 2006
EN 45545-2: 2013
EN ISO 4589-2: 2006
EN 45545-2: 2013
EN ISO 5659-2: 2013
EN 45545-2: 2013
NF X70-100: 2006
EN45545-2: 2013
EN ISO 4589-2
EN 45545-2:2013
EN 60695-2-11:2001
EN 45545-2: 2013
EN 60695-11-10: 2013
HL1, HL2, HL3
HL1, HL2, HL3
HL1, HL2, HL3
HL1, HL2, HL3
HL1, HL2, HL3
HL1, HL2, HL3
HL1, HL2, HL3
HL1, HL2, HL3
HL1, HL2, HL3
CHARACTERISTIC CURVE
Power Derating Curve
110
100
90
80
70
60
50
40
30
20
10
0
CQB75-300S12, 15, 24, 48 Derating Curve
without Heatsink (Vin=300V)
Output Power (%)
Output Power (%)
CQB75-300S3V3, 05 Derating Curve
without Heatsink (Vin=300V)
Natural
100 ft./min.
200 ft./min.
300 ft./min.
400 ft./min.
0
10
20
30
40
50
60
70
80
90
110
100
90
80
70
60
50
40
30
20
10
0
100 110
Natural
100 ft./min.
200 ft./min.
300 ft./min.
400 ft./min.
0
10
20
Ambient Temperature (℃)
Natural
100 ft./min.
200 ft./min.
300 ft./min.
400 ft./min.
0
10
20
30
40
50
60
70
80
90
100 110
110
100
90
80
70
60
50
40
30
20
10
0
50
60
70
80
90
100 110
Natural
100 ft./min.
200 ft./min.
300 ft./min.
400 ft./min.
0
Ambient Temperature (℃)
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40
CQB75-300S12, 15, 24, 48 Derating Curve
with Heatsink QBL127 (Vin=300V)
Output Power (%)
Output Power (%)
CQB75-300S3V3, 05 Derating Curve
with Heatsink QBL127 (Vin=300V)
110
100
90
80
70
60
50
40
30
20
10
0
30
Ambient Temperature (℃)
10
20
30
40
50
60
70
80
90
100 110
Ambient Temperature (℃)
5
REVISION: V12
CQB75-300S
CQB75-300S12, 15, 24, 48 Derating Curve
with Heatsink QBT210 (Vin=300V)
Output Power (%)
Output Power (%)
CQB75-300S3V3, 05 Derating Curve
with Heatsink QBT210 (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
10
20
30
40
50
60
70
80
90
Series
110
100
90
80
70
60
50
40
30
20
10
0
100 110
Natural
100 ft./min.
200 ft./min.
300 ft./min.
400 ft./min.
0
Ambient Temperature (℃)
10
20
30
40
50
60
70
80
90
100 110
Ambient Temperature (℃)
Performance Data
CQB75-300S3V3
Eff Vs Io @25 Deg. C
CQB75-300S3V3
Pd Vs Po @25 Deg. C
Power Dissipation (W)
95%
Efficiency (%)
90%
85%
80%
75%
70%
180V
65%
60%
300V
55%
450V
50%
10%
12
9
6
180V
3
300V
450V
0
20%
30%
40%
50%
60%
70%
80%
90% 100%
0%
Current Load (%)
Output Power (%)
CQB75-300S05
Eff Vs Io @25 Deg. C
CQB75-300S05
Pd Vs Po @25 Deg. C
18
Power Dissipation (W)
95%
Efficiency (%)
90%
85%
80%
75%
70%
180V
65%
60%
300V
55%
450V
50%
10%
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
15
12
9
6
180V
3
300V
450V
0
20%
30%
40%
50%
60%
70%
80%
90% 100%
0%
Current Load (%)
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Output Power (%)
CQB75-300S12
Eff Vs Io @25 Deg. C
CQB75-300S12
Pd Vs Po @25 Deg. C
Power Dissipation (W)
95%
Efficiency (%)
90%
85%
80%
75%
70%
180V
65%
60%
300V
55%
450V
50%
10%
12
10
8
6
180V
4
300V
2
450V
0
20%
30%
40%
50%
60%
70%
80%
90% 100%
Current Load (%)
www.cincon.com
0%
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Output Power (%)
6
REVISION: V12
CQB75-300S
CQB75-300S15
Eff Vs Io @25 Deg. C
Series
CQB75-300S15
Pd Vs Po @25 Deg. C
Power Dissipation (W)
95%
Efficiency (%)
90%
85%
80%
75%
70%
180V
65%
60%
300V
55%
450V
50%
10%
12
10
8
6
180V
4
300V
2
450V
0
20%
30%
40%
50%
60%
70%
80%
90% 100%
0%
Current Load (%)
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Output Power (%)
CQB75-300S24
Eff Vs Io @25 Deg. C
CQB75-300S24
Pd Vs Po @25 Deg. C
Power Dissipation (W)
95%
Efficiency (%)
90%
85%
80%
75%
70%
180V
65%
60%
300V
55%
450V
50%
10%
12
10
8
6
180V
4
300V
2
450V
0
20%
30%
40%
50%
60%
70%
80%
90% 100%
0%
Current Load (%)
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Output Power (%)
CQB75-300S48
Eff Vs Io @25 Deg. C
CQB75-300S48
Pd Vs Po @25 Deg. C
Power Dissipation (W)
95%
Efficiency (%)
90%
85%
80%
75%
70%
180V
65%
60%
300V
55%
450V
50%
10%
12
10
8
6
180V
4
300V
2
450V
0
20%
30%
40%
50%
60%
70%
80%
90% 100%
Current Load (%)
www.cincon.com
0%
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Output Power (%)
7
REVISION: V12
CQB75-300S
Series
MECHANICAL SPECIFICATION
Mounting lnserts
M3*0.5 Through 2pl.
Φ0.040[1.02] 6pl.
0.50[12.7]
0.60 [15.2]
1.86 [47.2]
Φ0.059 [1.50] 2pl.
0.600 [15.24]
BOTTOM VIEW
3
4
2
5
6
1
7
8
0.150 [3.81]
0.16 [4.1]
PIN CONNECTION
0.16 [4.1]min.
0.300 [7.62]
1.957 [49.70]
1.03[26.2]
1.45 [36.8]
0.525 [13.34]
0.150 [3.81]
2.28 [57.9]
PIN
Function
1
+V Input
2
On/Off
3
-V Input
4
-V Output
5
-Sense
6
Trim
7
+Sense
8
+V Output
All Dimensions in Inches[mm]
Tolerance Inches:x.xx=±0.02 ,x.xxx=±0.010
Millimeters:x.x=±0.5 , x.xx=±0.25
-F: Flanged Baseplate
2.28 [57.9]
0.150 [3.81]
0.97 [24.8]
0.525[13.34]
1.957[49.70]
Mounting lnserts
M3*0.5 Through 2pl.
0.16 [4.1]
0.49 [12.5]
Φ0.040 [1.02] 6pl.
2-0.65 [16.5]
Φ0.059 [1.50] 2pl.
2.20[55.9]
1.98 [50.3]
0.600 [15.24]
1.86 [47.2]
0.11 [2.8]
0.16 [4.1]min.
0.13 [3.2]
0.300 [7.62]
0.150 [3.81]
1
4
5
6
7
8
0.50[12.7]
1.03[26.2]
0.59 [14.9]
1.45 [36.8]
BOTTOM VIEW
3
2
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8
REVISION: V12