Features:                           
50W Isolated Output
Regulated Output
Efficiency Up To 85%
2:1 Input Range
Half-Brick size

25~75Watt Single Wide Input DC to DC Converters
Specifications:                        TOP
Parameter Description/SPEC.:
 Input Voltage Range See Model List
 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
 Voltage Accurancy ± 1% max.
 Transient Response 25% step load ... < 500 レ sec.
 External Trim Adj. Range ± 10%
 Ripple & Noise (20MHz BW) 2.5,3.3 & 5V... 75 mVp-p max.; 12 & 15V... 100 mVp-p max.
  24V... 240 mVp-p max.
 Temperature Coefficient ± 0.03% / °C max.
 Short Circuit Protection Continuous
 Line Regulation¹ (HL-LL) ... ± 0.2% max.
 Load Regulation² (FL-25%FL) ... ± 0.2% max.
 OVP Trip Range,% Vo nom 115-140%
 Current Limit 110% ~ 150% Nominal Output
 Isolation Voltage 1500 VDC
 Isolation Resistance 10M ヘ min.
 Switching Frequency 12/24Vin ...400 KHz, Typ.
  48Vin ...300 KHz, Typ.
 Operating Case Temperature -40°C to +100°C
 Storage Temperature Range -55°C to +105°C
 Themal Shutdown,Case Temp. 100°C ,Typ.
 Case Material Aluminum
Notices:                           TOP
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# with Negative Logic
Remote ON/OFF
Model List: TOP
No. Model Input Output Iomin Iomax Load Reg. Power
1. CHB50-12S05 9~18 VDC + 5.00VDC .00A 10.00A ±.20% 50.000(w)
2. CHB50-12S12 9~18 VDC + 12.00VDC .00A 4.16A ±.20% 50.000(w)
3. CHB50-12S15 9~18 VDC + 15.00VDC .00A 3.33A ±.20% 50.000(w)
4. CHB50-12S24 9~18 VDC + 24.00VDC .00A 2.08A ±.20% 50.000(w)
5. CHB50-12S25 9~18 VDC + 2.50VDC .00A 10.00A ±.20% 25.000(w)
6. CHB50-12S33 9~18 VDC + 3.30VDC .00A 10.00A ±.20% 33.000(w)
7. CHB50-24S05 18~36 VDC + 5.00VDC .00A 10.00A ±.20% 50.000(w)
8. CHB50-24S12 18~36 VDC + 12.00VDC .00A 4.16A ±.20% 50.000(w)
9. CHB50-24S15 18~36 VDC + 15.00VDC .00A 3.33A ±.20% 50.000(w)
10. CHB50-24S24 18~36 VDC + 24.00VDC .00A 2.08A ±.20% 50.000(w)
11. CHB50-24S25 18~36 VDC + 2.50VDC .00A 10.00A ±.20% 25.000(w)
12. CHB50-24S33 18~36 VDC + 3.30VDC .00A 10.00A ±.20% 33.000(w)
13. CHB50-48S05 36~75 VDC + 5.00VDC .00A 10.00A ±.20% 50.000(w)
14. CHB50-48S12 36~75 VDC + 12.00VDC .00A 4.16A ±.20% 50.000(w)
15. CHB50-48S15 36~75 VDC + 15.00VDC .00A 3.33A ±.20% 50.000(w)
16. CHB50-48S24 36~75 VDC + 24.00VDC .00A 2.08A ±.20% 50.000(w)
17. CHB50-48S25 36~75 VDC + 2.50VDC .00A 10.00A ±.20% 25.000(w)
18. CHB50-48S33 36~75 VDC + 3.30VDC .00A 10.00A ±.20% 33.000(w)
Other Informations:                      TOP
MECHANISM & PIN CONFIGURATION
CONTROL FUNCTION