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HM1461 Datasheet(PDF) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd |
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HM1461 Datasheet(HTML) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd |
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4 / 9 page ![]() 40Vin 2 Outputs Buck Controller ESD HBM (Human Body Mode) 2K V θJA Thermal Resistance from Junction to ambient 40 ºC/W Recommended Operating Conditions Symbol Parameter Rating Unit Min. Typ. Max. VIN Supply Voltage 6* ‐ 40 V VOUT Output voltage range 3 ‐ 28 V IOUT Output current range ‐ ‐ 15 A TOP Operating Temperature ‐40 ‐ 85 ºC TSTG Storage Temperature Range ‐65 ‐ 150 ºC TJ Junction Temperature ‐40 ‐ 150 ºC TSDR Maximum Lead Soldering Temperature, 10 Seconds 260 ºC Note: * when supply voltage is around 6V, output load current should be less than 5A. Electrical Characteristics (VIN=12V, TA=25°C (unless otherwise specified). MOSFET use HMS110N04D) Symbol Characteristic Test conditions Min Typ Max Unit VIN Supply Voltage 6.0 ‐ 40 V IIN Supply Input Current Vout=5V,No load 1 1.7 3.5 mA VIN UVLO VUP VIN UVLO Turn ON VIN Rising 5.7 6.0 7.1 V VHYS VIN UVLO Hysteresis VIN Falling ‐ 0.6 ‐ V Feedback voltage VFB Feedback voltage 1.176 1.20 1.224 V Tolerance ‐2 ‐ 2 % Soft Start Soft Start time ‐ 6 ‐ ms Oscillator FSW Switch frequency 100 125 150 KHz TON Minimum On‐Time ‐ 100 ‐ ns D Duty cycle ‐ ‐ 98 % Current sense VTHCC CC threshold 65 68 71 mV IFB Cable compensation Current CS1‐2=68mv ‐ 2 ‐ uA HDR & LDR Drivers 40Vin 2 Outputs Buck Controller HM1461 |
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