︳
FEATURES
CHB50 SERIES
25 TO 50 WATT WIDE INPUT
DC-DC CONVERTERS
SINGLE OUTPUT
* 25W-50W Isolated Output
* Efficiency to 89%
* 300KHz Switching Frequency
* 2 : 1 Input Range
* Regulated Outputs
* Continuous Short Circuit Protection
* Five-Sided Metal Case
* Half-Brick size meet industrial standard
* CE Mark Meets 2006/95/EC, 93/68/EEC, and 89/336/EEC
* Safety Meets UL60950-1, EN60950-1, and IEC60950-1
* UL60950-1 and EN60950-1 Approval
MODEL
NUMBER
CHB50-12S25
CHB50-12S33
CHB50-12S05
CHB50-12S12
CHB50-12S15
CHB50-12S24
INPUT CURRENT
％
Capacitor
INPUT
OUTPUT
OUTPUT CURRENT
VOLTAGE VOLTAGE
NO LOAD FULL LOAD EFF. Load max.
MIN.
MAX.
9 -18 VDC
9 -18 VDC
9 -18 VDC
9 -18 VDC
9 -18 VDC
9 -18 VDC
2.5 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
24 VDC
2.5 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
24 VDC
2.5 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
24 VDC
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
10 A
10 A
10 A
4.16 A
3.33 A
2.08 A
10 A
10 A
10 A
4.16 A
3.33 A
2.08 A
10 A
10 A
10 A
4.16 A
3.33 A
2.08 A
50 mA
50 mA
50 mA
50 mA
50 mA
50 mA
50 mA
50 mA
50 mA
50 mA
50 mA
50 mA
50 mA
50 mA
50 mA
50 mA
50 mA
50 mA
2740 mA 76
3481 mA 79
5020 mA 83
4781 mA 87
4781 mA 87
4781 mA 87
1335 mA 78
1698 mA 81
2450 mA 85
2363 mA 88
2363 mA 88
2363 mA 88
676 mA 77
848 mA 81
1240 mA 84
1181 mA 88
1181 mA 88
1168 mA 89
10000uF
10000uF
10000uF
4000uF
2000uF
1500uF
10000uF
10000uF
10000uF
10000uF
4000uF
2000uF
10000uF
10000uF
10000uF
10000uF
4000uF
2000uF
CHB50-24S25 18-36 VDC
CHB50-24S33 18-36 VDC
CHB50-24S05 18-36 VDC
CHB50-24S12 18-36 VDC
CHB50-24S15 18-36 VDC
CHB50-24S24 18-36 VDC
CHB50-48S25 36-75 VDC
CHB50-48S33 36-75 VDC
CHB50-48S05 36-75 VDC
CHB50-48S12 36-75 VDC
CHB50-48S15 36-75 VDC
CHB50-48S24 36-75 VDC
NOTE: 1. Nominal Input Voltage 12, 24 or 48VDC
1
SPECIFICATIONS
All Specifications Typical At Nominal Line, Full Load, and 25
℃
Unless Otherwise Noted
INPUT SPECIFICATIONS:
Input Voltage Range ....…………….................... 12V ................. 9-18V
24V ............... 18-36V
48V ............... 36-75V
Input Surge Voltage (100ms max.) …………. 12V …...... 25Vdc max.
24V ........….50Vdc max.
48V .......... 100Vdc max.
Undervoltage lockout:
12Vin ……….…… power up ---->8.8V, power down ----->8V
24Vin …………… power up ---->17V, power down ----->16V
48Vin ……….… power up ---->34V, power down ----->32.5V
Positive Logic Remote ON/OFF ( see note 3 & 4 )
Input Filter ………………………………………............………... PI Type
GENRAL SPECIFICATIONS:
Efficiency ........................…………................................................ See Table
Isolation Voltage ..................... Input/Output ……..….........… 1500VDC min.
Input/Case …..………….……. 1500VDC min.
Output/Case ……...………….. 1500VDC min.
Isolation Capacitance ………………..………………………….… 1000pF Typ.
Isolation Resistance ................................……………............... 10 ohm min.
Switching Frequency ....... (12/24)Vin. .........………….............. 400KHz, Typ.
48Vin .....……….….….................... 300KHz, Typ.
Operating Case Temperature …..……………..................... –40℃ to 100℃
Storage Temperature …………………………..................... -55℃ to +105℃
Thermal Shutdown, Case Temp. ………………….………..……. 100℃ Typ.
Humidity .................................................... 95% RH max. Non condensing
MTBF ……. MIL-STD-217F, GB, 25℃, Full Load ……..…… 1000KHrs Typ.
Dimensions .............................. 2.28×2.40x0.50 inches (57.9x61.0×12.7 mm)
Case Material .................................................………………….….. Aluminum
Weight …………………………………………………………………………. 88g
7
OUTPUT SPECIFICATIONS:
Voltage Accuracy: ................................................................
±1%
max.
Transient Response:25% Step Load Change …….........… <500u sec.
External Trim Adj. Range
……………………………………………
1
0
%
±
Ripple & Noise, 20MHz BW(see note 5)
2.5 & 3.3V & 5V ………….. 20mV RMS, max.
75mV pk-pk, max.
12V & 15V …………......…. 30mV RMS, max.
100mV pk-pk, max
24V …………………..……100mV RMS, max.
240mV pk-pk, max.
Temperature Coefficient ..............................................….....
±0.03%/°C
Short Circuit Protection ...........…...................................... Continuous
Line Regulation ( see note 1 ) ……................................….
±0.2%
max.
Load Regulation ( see note 2 ) ……............…....................
±0.2%
max.
Over Voltage Protection trip Range, % Vo nom. .................. 115-140%
Current Limit ........................................ 110% ~150% Nominal Output
Start up time …………………………….…………..……..…... 5ms Typ.
CASE HB
All Dimensions In Inches(mm)
Tolerances
Inches: X.XX= ±0.02 , X.XXX= ±0.010
Millimeters: X.X= ±0.5 , X.XX=±0.25
NOTE:
1. Measured From High Line to Low Line
2. Measured From Full Load to Zero Load
3. Logic Compatibility ……... Open Collector ref to –Input
Module ON ………………………………………..……. Open Circuit
Module OFF ………………………………………….…….. < 0.8Vdc
4. Suffix "N" to the Model Number with Negative Logic Remote ON/OFF
5. Output Ripple and Noise measured with 10uF tantalum and 1uF Ceramic
capacitor across output
6. Suffix “-C” to the Model Number with Clear Mounting Insert (3.2mm DIA.)
Mounting Inserts
M3*0.5 Through 4pl.
BOTTOM VIEW
Pin
1
2
3
4
5
6
7
8
9
Function
+Vin
ON/OFF
CASE
-Vin
-Vout
-Sense
Trim
+Sense
+Vout
REMOTE ON/OFF CONTROL
ON/OFF (2)
EXTERNAL OUTPUT TRIM
+SENSE (8)
TRIM DOWN
TRIM (7)
TRIM UP
TRIM (7)
10K ohms
TRIMPOT
+SENSE (8)
HIGH SIGNAL HERE
DISABLE OUTPUT
-VIN (4)
2
-SENSE (6)
-SENSE (6)
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