V12
︳
FEATURES
CQE50W SERIES
50 WATT 4:1 INPUT
DC-DC CONVERTERS
SINGLE OUTPUT
* 50W Isolated Output
* No Tantalum Capacitor Inside
* Quarter-Brick Size, Six-Sided Shield Metal Case
* High Efficiency up to 92%
* 300KHz Switching Frequency
* 4 : 1 Input Range
* Regulated Outputs
* Continuous Short Circuit Protection
* Full Load Operation up to 80
℃
with Heat-sink M-C421 Natural Convention
* Over Temperature/Voltage/Current Protection
* CE Mark Meets 2004/108/EC
* Safety Meets UL60950-1, EN60950-1, and IEC60950-1
OUTPUT
MODEL
NUMBER
INPUT
VOLTAGE
OUTPUT
CURRENT
VOLTAGE
MIN.
MAX.
NO LOAD FULL LOAD
(2)
(3)
INPUT CURRENT
% EFF.
Capacitor
Load max.
10000µF
10000µF
4160µF
3330µF
2080µF
1040µF(4)
10000µF
10000µF
4160µF
3330µF
2080µF
1040µF(4)
CQE50W-24S3V3
CQE50W-24S05
CQE50W-24S12
CQE50W-24S15
CQE50W-24S24
CQE50W-24S48
9-36 VDC
9-36 VDC
9-36 VDC
9-36 VDC
9-36 VDC
9-36VDC
3.3 VDC
5.0 VDC
12 VDC
15 VDC
24 VDC
48 VDC
3.3 VDC
5.0 VDC
12 VDC
15 VDC
24 VDC
48 VDC
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
10A
10 A
4.16A
3.33 A
2.08A
1.04 A
10A
10 A
4.16A
3.33 A
2.08A
1.04 A
100mA
100mA
100mA
100mA
60mA
60mA
60mA
60mA
60mA
60mA
60mA
60mA
1528mA
2277mA
2261mA
2287mA
2311mA
2311mA
764mA
1132mA
1130mA
1144mA
1156mA
1156mA
90
91
91
91.5
90
88.5
90
91.5
92
91
91
89
90.5
91.5
91.5
91.5
90
88.5
90
92
92
91
90.5
89
CQE50W-48S3V3 18-75VDC
CQE50W-48S05
CQE50W-48S12
CQE50W-48S15
CQE50W-48S24
CQE50W-48S48
18-75VDC
18-75VDC
18-75VDC
18-75VDC
18-75VDC
NOTE: 1. Nominal Input Voltage 24, 48VDC
2. Measured at 12VDC for 24SXX, 24VDC for 48SXX
3. Measured at Nominal Input Voltage
4. Require a 10uF Aluminum Capacitor Connected Between +Vout and –Vout for 48Vout Models
1
V12
SPECIFICATIONS
All Specifications Typical At Nominal Line, Full Load, and 25
℃
Unless Otherwise Noted
INPUT SPECIFICATIONS:
Input Voltage Range ....……..............…......... 24V ....................... 9-36V
48V.............. 18-75V
Input Surge Voltage (100ms max.) ……........... 24V ............. 50Vdc max.
48V …..…. 100Vdc max.
Under voltage lockout ………..….. 24Vin power up ….…..…………. 8.8V
24Vin power down ………….…. 8.0V
48Vin power up …………….…. 17V
48Vin power down …...….….…. 16V
Positive Logic Remote ON/OFF ( see note 4 & 5 )
Input Filter ………………………………………………..….……... PI Type
GENRAL SPECIFICATIONS:
Efficiency .................…..................................……..........…....... See Table
Isolation Voltage ..................... Input/Output ....……………..….. 1500VDC min.
Input/Case .……….……….. 1500VDC min.
Output/Case ……………… 1500VDC min.
7
Isolation Resistance ................................…............…….... 10 ohm min.
Isolation Capacitance ……………………....……………………… 1000pF typ
Switching Frequency ........………….........……………..……... 300KHz typ.
Operating Case Temperature ..………....….....……........ -40℃ to 105℃
Storage Temperature ……………....…....……............ -55℃ to +125℃
Thermal Shutdown, Case Temp. .……………………..……. 110
℃
typ.
Humidity .................................................... 95% RH max. Non condensing
MTBF … MIL-STD-217F, GB, 25
℃
, Full Load …… XXS24, XXS48 …. 800Khrs typ.
Others .............. 600Khrs typ.
Dimensions ……..…… 1.45 x 2.28 x 0.50 inches(36.8 x 57.9 x 12.7 mm)
Case Material ...................................... Aluminum with Non-Conducted Base
Weight ………………………………………………………………………… 63g
OUTPUT SPECIFICATIONS:
Voltage Accuracy: ............... ..........................………….........
±1.5%
max.
Transient Response: 75% to 100% Step Load Change
Error Band …………………….……………… ±5% Vout
Recover Time……………………………………<500us
External Trim Adj. Range ………………………………………….… ±10%
Ripple & Noise, 20MHz BW ( see note 3)
3.3V & 5V ..………... 40mV RMS, 100mV pk-pk max.
12V & 15V ..…........ 60mV RMS, 150mV pk-pk max.
24V .……………..…. 100mV RMS, 240mV pk-pk max.
48V .……………..…. 200mV RMS, 480mV pk-pk max.
Temperature Coefficient ....................………..............….....
±0.03%/°C
Short Circuit Protection .........………………......................... Continuous
Line Regulation (note 1) ……………….………..................….
±0.2%
max.
Load Regulation (note 2) ………………………….........…......
±0.2%
max.
Over Voltage Protection trip Range, % Vo nom. .......................115-140%
Current Limit .................……………….... 110% ~165% Nominal Output
Start up time ……………………………..………………………. 20ms typ.
NOTE:
1. Measured from high line to low line.
2. Measured from full load to zero load.
3. Output ripple and noise measured with 10uF aluminum and 1uF ceramic
capacitor across output for 48Vout and with 10uF tantalum and 1uF
ceramic capacitor for others.
4. Logic compatibility ……………... open collector ref to -Input
Module on ………………………..…. >3.5Vdc to 75Vdc or open circuit
Module off …………………………………………………….. < 1.2Vdc
5. Suffix "N" to the model number with negative logic remote on/off
Module on …………………………..……………………..….…. < 1.2Vdc
Module off …………….……………... >3.5Vdc to 75Vdc or open circuit
Typical Derating Curve
120%
100%
LOAD(%)
80%
60%
40%
20%
0%
-40 -20
-40
80
REMOTE ON/OFF CONTROL
with heatsink M-C421
HIGH SIGNAL HERE
DISABLE OUTPUT
-VIN (4)
ON/OFF (2)
105
0
20
40
60
80 100 120
Ambient Temperature(
o
C)
CASE QB
All Dimensions In Inches(mm)
Tolerances
Inches: X.XX= ±0.02 , X.XXX= ±0.010
Millimeters: X.X= ±0.5 , X.XX=±0.25
External Output Trim
2.28[57.9]
1.86[47.2]
Mounting Inserts
M3*0.5 Through 4pl.
0.13[3.3]min
PIN CONNECTION
Pin
1
Function
+V Input
ON/OFF
-V Input
-V Output
-Sense
Trim
+Sense
+V Output
0.600[15.24]
0.600[15.24]
2
2-Pl. 0.059[1.500]
1.45[36.8]
1.03[26.2]
0.300[7.62]
6-Pl. 0.040[1.02]
BOTTOM VIEW
3
4
5
0.49[12.5]
0.50[12.7]
2.000[50.80]
6
7
8
2
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