CHB300-300S

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Technical content

300 WATT 2:1 INPUT

FEATURES

• 300W Isolated Output * Efficiency to 90% * Fixed Switching Frequency * Input under-voltage Protection * Over Temperature Protection * Low No Load Power Consumption * Over Voltage/Current Protection * Remote On/Off * Half-Brick size meet Industrial standard * UL60950-1 2nd (Reinforced Insulation) Approval * CB Test Certificate IEC60950-1 NOTE: 1. Nominal Input Voltage 300 VDC. 2. An External Input Capacitor 150uF for All Models are Recommended to Reduce Input Ripple Voltage. 3. Measure at Nominal Input Voltage. MODEL NUMBER INPUT VOLTAGE OUTPUT VOLTAGE OUTPUT CURRENT INPUT CURRENT % Eff. CAPACITIVE LOAD MAX. MIN. MAX. NO LOAD FULL LOAD CHB300-300S05 180-425 VDC 5 VDC 0 mA 60 A 10 mA 1125 mA 89 10000uF CHB300-300S12 180-425 VDC 12 VDC 0 mA 25 A 10 mA 1135 mA 88 10000uF CHB300-300S24 180-425 VDC 24 VDC 0 mA 12.5 A 10 mA 1110 mA 90 6000uF CHB300-300S28 180-425 VDC 28 VDC 0 mA 10.7 A 10 mA 1110 mA 90 6000uF CHB300-300S48 180-425 VDC 48 VDC 0 mA 6.25 A 10 mA 1110 mA 90 3000uF TBD

All Specifications Typical At Nominal Line, Full Load, and 25℃ Unless Otherwise Noted INPUT SPECIFICATIONS: GENRAL SPECIFICATIONS: Positive Logic Remote On/Off (note5&6) Output/Case……………… 500V AC min. Ripple & Noise, 20MHz BW (note3) 5V ………… 60mV RMS max., 120mV pk -pk max . MTBF …… MIL-HDBK-217F, GB,25℃, Full Load …… 5V .… 470Khrs typ. Short Circui t Protection ……………………………… …………Continuous 1. Measured from high line to low line. Over Voltage Protection trip Range , % Vo nom…………………115-140% ceramic capacitor across output. Current Limit ………………………………… 105%-140% Nominal Output (5V: 47uF polymer tantalum capacitor and 1uF ceramic capacitor across output). Start up time …………………………………………………….. 300ms typ. (48V: 10uF aluminum capacitor and 1uF ceramic capacitor across output). 4. Logic compatibility ………………………… open collector refer to –Input Module on ………………….… >3.5Vdc to 75Vdc or open circuit 5. Suffix “N” to the model number with negative logic remote on/off Module off …………………..… >3.5Vdc to 75Vdc or open circuit Trim +Sense +V Output9 BOTTOM VIEWM3*0.5 Through 4pl. Function On/Off NP -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 ON/OFF (2) -VIN (4) HIGH SIGNAL HERE DISABLE OUTPUT External Output Trim +SENSE (8) TRIM (7) -SENSE (6) TRIM UP TRIM DOWN +SENSE (8) TRIM (7) -SENSE (6) 10K ohms TRIMPOT