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BD3925HFP-C Arkusz danych(PDF) 1 Page - Rohm |
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BD3925HFP-C Arkusz danych(HTML) 1 Page - Rohm |
1 / 10 page 1/9 www.rohm.com 2011.03 - Rev.B © 2011 ROHM Co., Ltd. All rights reserved. Automotive Body Power Management LSI Voltage Tracker BD3925FP-C,BD3925HFP-C ● Description BD3925FP-C and BD3925HFP-C are voltage trackers for automotive use which feature high withstand-voltage to 50V. They offer the output current loading to 500mA while limiting the quiescent current to 45µA (typ.), so that they suit to apply for systems which are permanently connected to the car battery and requiring low-current-consumption. The offset is ± 15mV (for 5V output. 6V < Vcc < 36V, 5mA < lo < 200mA). They integrate folded–type of over-current protection to minimize heat dissipation while accidentally shorted, thus lead to most robust power-supply design under the harsh automotive environment. Features 1) Ultra-low quiescent current: 45µA (TYP.) 2) Low-saturation voltage type P-channel DMOS output transistors 3) Low offset voltage: 15mV(for 5V output, 6V< Vcc <36V, 5mA<lo<200mA) 4) Vcc power supply voltage = 50 V 5) Integrated over-current protection circuit and thermal shutdown circuit 6) TO252-5/HRP5 Package Applications Onboard vehicle devices (body-control, car stereos, satellite navigation systems, etc.) Product line Part No. Package BD3925FP-C TO252-5 BD3925HFP-C HRP5 Absolute maximum ratings (Ta=25°C) Parameter Symbol Limit Unit Supply Voltage Vcc 50 ※1 V Switch Supply Voltage VSW 50 V VADJ Terminal Supply Voltage VADJ 28 V Vo Terminal Voltage Vout 28 V Output Current Io 500 mA Power Dissipation Pd 1.3 (TO252-5) ※ 2 W 1.6 (HRP5) ※3 Operating Temperature Range Topr -40 ~ +125 ℃ Storage Temperature Range Tstg -55 ~ +150 ℃ Maximum Junction Temperature Tjmax 150 ℃ ※ 1 Not to exceed Pd and ASO. ※ 2 TO252-5: Reduced by 10.4 mW/°C over 25 °C, when mount on a glass epoxy board : 70 mm 70 mm 1.6 mm. ※ 3 HRP5: Reduced by 12.8 mW/°C over 25 °C, when mount on a glass epoxy board : 70 mm 70 mm 1.6 mm). NOTE: This product is not designed for protection against radioactive rays. No.11039EBT06 |
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