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