V15 CHB350 SERIES 231 - 350 WATT 2:1 INPUT DC-DC CONVERTERS SINGLE OUTPUT FEATURES * 231-350W Isolated Output * Efficiency to 92.5% * 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 Approval 3 * High Power Density 123W/in OUTPUT CURRENT INPUT CURRENT MODEL INPUT OUTPUT CAPACITOR % EFF. NUMBER VOLTAGE VOLTAGE LOAD MAX. MIN. MAX. NO LOAD FULL LOAD 18-36 VDC 3.3 VDC 0 mA 70 A 140 mA 88 CHB350-24S3V3 -X 10.94 A 10000F CHB350-24S05-X 18-36 VDC 5 VDC 0 mA 70 A 260 mA 89 16.39 A 10000F 18-36 VDC 12 VDC 0 mA 29.2 A 250 mA 90.5 CHB350-24S12 -X 16.13 A 10000F CHB350-24S24-X 18-36 VDC 24 VDC 0 mA 14.6 A 60 mA 89 16.40 A 10000F (3) 18-36 VDC 28 VDC 0 mA 12.5 A 60 mA 16.11 A 90.5 CHB350-24S28 -X 100-7000F (3) 18-36 VDC 48 VDC 0 mA 7.3 A 60 mA 16.22 A 90 CHB350-24S48 -X 100-2200F CHB350-48S3V3-X 36-75 VDC 3.3 VDC 0 mA 70 A 90 mA 5.41 A 89 10000F CHB350-48S05-X 36-75 VDC 5 VDC 0 mA 70 A 130 mA 8.01 A 91 10000F CHB350-48S12-X 36-75 VDC 12 VDC 0 mA 29.2 A 100 mA 7.89 A 92.5 10000F CHB350-48S24-X 36-75 VDC 24 VDC 0 mA 14.6 A 60 mA 7.98 A 91.5 10000F (3) CHB350-48S28-X 36-75 VDC 28 VDC 12.5 A 60 mA 7.93 A 92 0 mA 100-7000F (3) CHB350-48S48-X 36-75 VDC 48 VDC 0 mA 7.3 A 60 mA 7.93 A 92 100-2200F NOTE: 1. = N or None, X can be L, I, C, IC 2. Nominal Input Voltage 24, 48VDC 3. The output terminal of 28Vout and 48Vout models required a minimum capacitor 100uF to maintain specified regulation. 1 V15 SPECIFICATIONS All Specifications Typical At Nominal Line, Full Load, and 25 Unless Otherwise Noted INPUT SPECIFICATIONS: GENRAL SPECIFICATIONS: Input Voltage Range .............. 24V ................. 18-36V Efficiency .................................................................. See Table 48V 36-75V Isolation Voltage ................ Input/Output ........ 1500VDC min. Input Surge Voltage (100ms max.) .... 24V ............. 50Vdc max. Input/Case, Output/Case .. 1500VDC min. 7 48V . 100Vdc max. Isolation Resistance ................................................... 10 ohm min. Under Voltage Lockout .... 24Vin power up ...... 17V Isolation Capacitance .. 2000pF typ. 24Vin power down ... 16V Switching Frequency ......................... 3V3&5V ..................... 300KHz typ. 48Vin power up .... 35V 12V&24V&28V&48V 330KHz typ. 48Vin power down ... 33V Operating Case Temperature ................... -40 to 100 Positive Logic Remote On/Off (note4) Storage Temperature ..................... -55 to +105 Logic Compatibility Open Collector ref to -Input Thermal Shutdown Case Temp ...... 110 typ. Module on .. >3.5Vdc to 75Vdc or Open Circuit Humidity .................................................... 95% RH max. Non condensing Module off ....... 0 to < 1.2Vdc MTBF. MIL-HDBK-217F, GB, 25, Full Load 700Khrs typ. Input Filter ...... Pi Type Dimensions .... Standard ..... 2.282.40x0.52 inches (57.9x61.013.2 mm) Suffix -L .. 2.28x2.40x0.50inches (57.9x61.0x12.7mm) OUTPUT SPECIFICATIONS: Voltage Accuracy ................................................ 1.0% max. Case Material ..................... Aluminum Baseplate with Plastic Case Transient Response: 25% Step Load Change .. <500s Weight ..... 114g External Trim Adj. Range (note7) .. 10% NOTE: Ripple & Noise, 20MHz BW 1. Measured from high line to low line. 3.3V & 5V ..... 40mV RMS max., 100mV pk-pk max. 2. Measured from full load to zero load. 12V .. 60mV RMS max., 120mV pk-pk max. 3. Output ripple and noise measured with 10uF tantalum (for 48Vout 24V & 28V .. 100mV RMS max., 280mV pk-pk max. with10uF aluminum) and 1uF ceramic capacitor across output. 48V............... 150mV RMS max., 480mV pk-pk max. 4. Suffix to the model number with negative logic remote on/off Temperature Coefficient ....................................... 0.03%/C Module on ...... 0 to < 1.2VDC Short Circuit Protection .................................. Continuous Module off .... >3.5VDC to 75VDC or open circuit 5. Suffix -C to the model number with clear mounting Insert. (3.2mm DIA) Line Regulation (note1) .................... 0.2% max. Load Regulation (note2) ............... 0.2% max. 6. Suffix -I to the model number with thin input pin models Over Voltage Protection Trip Range, % Vo nom................... 115-140% (pin1 and pin4 =1.0mm). Current Limit ..................... 105%-140% Nominal Output 7. Trim-up..connect a resistor between the trim pin and +Sense Start up time ...... 175ms typ. Trim-down..connect a resistor between the trim pin and -Sense 8. The input terminal recommend to parallel with 220uF for 48Vin and 470uF for 24Vin ESR<0.7 to reduce the input ripple voltage. 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 0.18 min 0.18min. Standard Package Suffix - Package 4.6 4.6 0.50 0.52 Mounting Inserts 12.7 Mounting Inserts BOTTOM VIEW 13.2 BOTTOM VIEW M3*0.5 Through 4pl. M3*0.5 Through 4pl. Pin Function 1 +V Input 4 5 4 5 2 On/Off 3 CASE 3 3 6 6 4 -V Input 5 -V Output 7 7 6 -Sense 2 8 2 8 7 Trim 8 +Sense 1 9 1 9 9 +V Output 1.90 1.90 48.3 48.3 2.28 2.28 57.9 57.9 REMOTE ON/OFF CONTROL EXTERNAL OUTPUT TRIM +SENSE (8) +SENSE (8) ON/OFF (2) R1 TRIM UP TRIM (7) TRIM (7) HIGH SIGNAL HERE VR DISABLE OUTPUT TRIM DOWN R2 -VIN (4) -SENSE (6) -SENSE (6) 2 2.40 61.0 2.00 50.8 1.400 35.56 0.600 15.24 0.040 5-Pl. 1.02 0.080 4-Pl. 2.03 2.40 61.0 2.00 50.8 1.400 35.56 0.600 15.24 1.02 2.03