CHB300W-24S28

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300 WATT 4:1 INPUT

FEATURES

*300W Isolated Output * Efficiency to 92% * Fixed Switching Frequency * Input Under Voltage Protection * Over Temperature Protection * Over Voltage/Current Protection * Remote On/Off * Industry Standard Half-Brick Package * Fully Isolated 1500VDC * UL60950-1 2nd Approval MODEL NUMBER INPUT VOLTAGE OUTPUT VOLTAGE OUTPUT CURRENT INPUT CURRENT % EFF. CAPACITIVE LOAD MAX.(4) MIN. MAX. NO LOAD FULL LOAD (2) (3) CHB300W-24S05 9-36 VDC 5 VDC 0 mA 60 A 200 mA 14.12 A 88 88.5 470 -10000uF CHB300W-24S12 9-36 VDC 12 VDC 0 mA 25 A 200 mA 13.74 A 91 91 330-10000uF CHB300W-24S15 9-36 VDC 15 VDC 0 mA 20 A 250 mA 13.74 A 91 91 0-10000uF CHB300W-24S24 9-36 VDC 24 VDC 0 mA 12.5 A 80 mA 14.20 A 88 88 220-4700μF CHB300W-24S28 9-36 VDC 28 VDC 0 mA 10.7 A 80 mA 14.12 A 88.5 88.5 220-4700μF CHB300W-24S48 9-36 VDC 48 VDC 0 mA 6.25 A 100 mA 14.20 A 88 88 220-2200μF CHB300W-48S05 18-75 VDC 5 VDC 0 mA 60 A 100 mA 6.94 A 89 90 0-10000uF CHB300W-48S12 18-75 VDC 12 VDC 0 mA 25 A 100 mA 6.94 A 92 92 0-10000uF CHB300W-48S15 18-75 VDC 15 VDC 0 mA 20 A 130 mA 6.80 A 92 92 0-10000uF CHB300W-48S24 18-75 VDC 24 VDC 0 mA 12.5 A 60 mA 6.98 A 90 89 0-4700μF CHB300W-48S28 18-75 VDC 28 VDC 0 mA 10.7 A 60 mA 6.94 A 91 89.5 0-4700μF CHB300W-48S48 18-75 VDC 48 VDC 0 mA 6.25 A 80 mA 7.02 A 90 89 220-2200μF NOTE: 1. Nominal Input Voltage 24,48 VDC 2. Measure at 12VDC for 24Sxx and 24VDC for 48Sxx Models 3. Measure at Nominal Input Voltage 4. The Output Terminal of Models Required a Minimum Capacitor to Maintain Specified Regulation 5. Output Peak Power 350W < 3 seconds with Maximum Duty Cycle of 10%, Average Output Power not to Exceed 300W.

All Specifications Typical At Nominal Line, Full Load, and 25℃ Unless Otherwise Noted INPUT SPECIFICATIONS: GENRAL SPECIFICATIONS: Input Surge Voltage (100ms max.) …………… 24V ……… 50Vdc max. Input/Case, Output/Case …… 1500VDC min. Positive Logic Remote On/Off (note4&5) Thermal Shutdown Case Temperature …… .……………….…. 110℃ typ. Other 48SXX …………… Pi Type MTBF ………. MIL-HDBK, GB, 25℃, Full Load .………………600Khrs typ. Ripple & Noise, 20MHz BW (note3) 1. Measured from high line to low line. 15V …………….………..… 80mV RMS, 200mV pk-pk max. with 330uF tantalum , 24S12 with100uF tantalum and 48Vout with10uF 24V&28V …………………. 100mV RMS, 280mV pk-pk max. aluminum), 1uF ceramic capacitor and minimum capacitor across output, 7. The input terminal recommend to parallel with 1000uF for 24Vin, 470uF for 48S15 model and 220uF for other 48Vin models ESR<0.7Ω to reduce the input ripple voltage. 8. Suffix “-C” to the model number with clear mounting insert. (3.2mm DIA) CASE HB Trim +Sense +V Output9 BOTTOM VIEWM3*0.5 Through 4pl. Function On/Off CASE -V Input -V Output -Sense +V Input Pin Mounting Inserts Millimeters: X.X= ±0.5 , X.XX=±0.25 All Dimensions In Inches(mm) CASE HB Tolerances Inches: X.XX= ±0.02 , X.XXX= ±0.010 4 5 2.40 [61.0] 2.00 [50.8] 1.400 [35.56] 0.600 [15.24] 1.90 [48.3] [12.7] [1.02] 2.28 [57.9] [2.03] 0.50 [4.6] 0.18 min REMOTE ON/OFF CONTROL EXTERNAL OUTPUT TRIM