V16
CHB75W SERIES
49.5 TO 75 WATT 4:1 INPUT RANGE
DC-DC CONVERTERS
SINGLE OUTPUT
FEATURES
* 49.5-75W Isolated Output
* Efficiency to 85%
* 300KHz Switching Frequency
* 4 : 1 Wide 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
OUTPUT CURRENT INPUT CURRENT % Capacitor
MODEL INPUT OUTPUT
NUMBER VOLTAGE VOLTAGE
MIN. MAX. NO LOAD FULL LOAD EFF. Load max.
CHB75W-24S33 9-36 VDC 3.3VDC 0mA 15 A 50mA 2611mA 79 15000uF
CHB75W-24S05 9-36 VDC 5.0VDC 0mA 15 A 50mA 82 15000uF
3811mA
CHB75W-24S12 9-36 VDC 12 VDC 0mA 6.25 A 50mA 3765mA 83 6250uF
CHB75W-24S15 9-36 VDC 15 VDC 0mA 5 A 50mA 3720mA 84 5000uF
CHB75W-24S24 9-36 VDC 24 VDC 0mA 3.12 A 50mA 3720mA 84 3120uF
CHB75W-24S48 9-36 VDC 48 VDC 0mA 1.56 A 50mA 3811mA 82 1560uF
CHB75W-48S33 18-75VDC 3.3VDC 0mA 15 A 50mA 1289mA 80 15000uF
CHB75W-48S05 18-75VDC 5.0VDC 0mA 15 A 50mA 83 15000uF
1883mA
CHB75W-48S12 18-75VDC 12 VDC 0mA 6.25 A 50mA 1860mA 84 6250uF
CHB75W-48S15 18-75VDC 15 VDC 0mA 5 A 50mA 1838mA 85 5000uF
CHB75W-48S24 18-75VDC 24 VDC 0mA 3.12 A 50mA 1835mA 85 3120uF
CHB75W-48S48 18-75VDC 48 VDC 0mA 1.56 A 50mA 1860mA 84 1560uF
NOTE: 1. Nominal Input Voltage 24, 48VDC
1 V16
SPECIFICATIONS
All Specifications Typical At Nominal Line, Full Load, and 25 Unless Otherwise Noted
INPUT SPECIFICATIONS: GENRAL SPECIFICATIONS:
Efficiency .................................................................... See Table
Input Voltage Range ........................ 24V .................... 9-36V
Isolation Voltage .................... Input/Output ......... 1500VDC min.
48V .................. 18-75V
Input/Case ...... 1500VDC min.
Input Surge Voltage (100ms max.) .. 24V ............ 50Vdc max.
Output/Case .... 1500VDC min.
48V .............. 100Vdc max.
7
Isolation Resistance ...................................................... 10 ohm min.
Under voltage lockout .... 24Vin power up ..... 8.8V
24Vin power down .... 8.0V Isolation Capacitance ..... 1000pF Typ.
Switching Frequency ....................... 300KHz, Typ.
48Vin power up .. 17V
Operating Case Temperature ..................... -40 to 100
48Vin power down ..... 16V
Storage Temperature ..................... -55 to +105
Positive Logic Remote ON/OFF ( see note 3 & 4 )
Thermal Shutdown, Case Temp. ...... 100 Typ.
Input Filter ...... PI Type
Humidity .................................................... 95% RH max. Non condensing
OUTPUT SPECIFICATIONS:
MTBF . MIL-STD-217F, GB, 25, Full Load 1000khrs Typ.
Voltage Accuracy: .................................................. 1.0% max.
Transient Response:25% Step Load Change .<500u sec.
Dimensions .................... 2.282.40x0.50 inches (57.9x61.012.7 mm)
External Trim Adj. Range ... 10% Case Material ................................... Aluminum
Ripple & Noise, 20MHz BW(see note 5) Weight ... 94g
3.3V & 5V ... 40mV RMS, max.
NOTE :
100mV pk-pk, max. 1. Measured From High Line to Low Line
12V & 15V .. 60mV RMS, max. 2. Measured From Full Load to Zero Load
150mV pk-pk, max. 3. Logic Compatibility ... Open Collector ref to -Input
24V ... 100mV RMS, max. Module ON .. Open Circuit
240mV pk-pk, max. Module OFF .. < 0.8Vdc
4. Suffix to the Model Number with Negative Logic Remote ON/OFF
48V .... 200mV RMS, max
480mV pk-pk, max. Module ON ... < 0.8Vdc
Module OFF ... Open Circuit
Temperature Coefficient ....................................... 0.03%/C
Short Circuit Protection .................................. Continuous 5. Output Ripple and Noise measured with 10uF tantalum and 1uF Ceramic
capacitor across output. (48V: 1uF Ceramic cap. only)
Line Regulation ( see note 1 ) ................................. 0.2% max.
6. Suffix -C to the Model Number with Clear Mounting Insert (3.2mm DIA.)
Load Regulation ( see note 2 ) ................................ 0.2% max.
Over Voltage Protection trip Range ,% Vo nom. ...................... 115-140% 7. Require a 47uF Aluminum capacitor connected between +Vout and -Vout
Current Limit ....................... 110% ~160% 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
Mounting Inserts
BOTTOM VIEW
M3*0.5 Through 4pl.
Function
Pin
+Vin
1
2 ON/OFF
3 CASE
4 -Vin
5 -Vout
-Sense
6
7 Trim
8 +Sense
9 +Vout
REMOTE ON/OFF CONTROL EXTERNAL OUTPUT TRIM
ON/OFF (2) +SENSE (8) +SENSE (8)
TRIM DOWN
HIGH SIGNAL HERE
10K ohms
TRIM (7) TRIM (7)
DISABLE OUTPUT
TRIMPOT
TRIM UP
-VIN (4)
-SENSE (6) -SENSE (6)
2