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HM1465 Datasheet(PDF) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd |
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HM1465 Datasheet(HTML) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd |
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4 / 11 page ![]() 40Vin 4 Outputs Buck Controller Recommended Operating Conditions Symbol Parameter Rating Unit Min. Typ. Max. VIN Supply Voltage 9 ‐ 40 V VOUT Output voltage range 1.2 ‐ 28 V IOUT Output current range ‐ ‐ 20 A Operating Temperature ‐40 ‐ 85 ºC TSTG Storage Temperature Range ‐60 ‐ 150 ºC TSDR Maximum Lead Soldering Temperature, 10 Seconds 260 ºC Electrical Characteristics (VIN=12V, TA=25°C (unless otherwise specified). MOSFET use ) Symbol Characteristic Test conditions Min Typ Max Unit VIN Supply Voltage 9 ‐ 40 V IIN Supply Input Current EN=3V, Vout=5V,No load 0.5 1.5 3.0 mA IQ Shutdown Supply Current EN=0 ‐ 10 ‐ uA VIN UVLO VUP VIN UVLO Turn ON VIN Rising 8.2 8.5 8.9 V VHYS VIN UVLO Hysteresis VIN Falling ‐ 1.0 ‐ V Feedback voltage VFB Feedback voltage VEN=3V 1.176 1.20 1.224 V Tolerance ‐2 ‐ 2 % Oscillator FSW Switch frequency RFREQ=60Kohm 170 200 230 KHz TON Minimum On‐Time ‐ 100 ‐ ns D Duty cycle ‐ ‐ 95 % Current sense VTOCP OCP threshold 100 108 116 mV IFB Cable compensation Current Cout1‐4=50mv ‐ 4.5 ‐ uA HDR & LDR Drivers TRH HDR Rising Time ‐ 10 ‐ ns TFH HDR Falling Time ‐ 10 ‐ ns TRL LDR Rising Time ‐ 10 ‐ ns TFL LDR Falling Time ‐ 10 ‐ ns TLH Dead Time ‐ 40 ‐ ns THL Dead Time ‐ 40 ‐ ns 40Vin 4 Outputs Buck Controller |
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