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HM1462 Folha de dados(PDF) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd |
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HM1462 Folha de dados(HTML) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd |
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4 / 8 page ![]() 40Vin 2 Outputs COT Buck Controller TSTG Storage Temperature Range ‐65 ‐ 150 ºC TJ Junction Temperature ‐40 ‐ 150 ºC TSDR Maximum Lead Soldering Temperature, 10 Seconds 260 ºC Electrical Characteristics (VIN=12V, TA=25°C (unless otherwise specified). MOSFET use HMS110N04D) Symbol Characteristic Test conditions Min Typ Max Unit VIN Supply Voltage 7.5 ‐ 40 V IIN Supply Input Current Vout=5V,No load 0.6 0.8 2.5 mA VIN UVLO VUP VIN UVLO Turn ON VIN Rising 5.0 5.5 6.0 V VHYS VIN UVLO Hysteresis VIN Falling ‐ 1.0 ‐ V Feedback voltage VFB1/2 Feedback voltage 1.176 1.20 1.224 V Tolerance ‐2 ‐ 2 % Soft Start Soft Start time ‐ 0.7 ‐ ms Oscillator FSW Switch frequency 125 150 175 KHz TON Minimum On‐Time ‐ 150 ‐ ns D Duty cycle ‐ ‐ 98 % Current sense VCC1 CC threshold 46.5 50 53.5 mV VCC2 CC threshold VOUT=5V 41 44 47 mV IFB Cable compensation Current Vin=12V, Cout1‐2=40mv ‐ 4.0 ‐ 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 ‐ 30 ‐ ns THL Dead Time ‐ 30 ‐ ns Thermal Shutdown(OTP) TSD Temperature Rising ‐ 150 ‐ ºC THYS OTP Hysteresis ‐ 20 ‐ ºC 40Vin 2 Outputs COT Buck Controller |
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