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BH33NB1WHFWHFV Datasheet(PDF) 2 Page - Rohm |
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BH33NB1WHFWHFV Datasheet(HTML) 2 Page - Rohm |
2 / 9 page Technical Note BH□□NB1WHFV series 2/8 www.rohm.com 2011.01 - Rev.B © 2011 ROHM Co., Ltd. All rights reserved. ● Absolute maximum ratings Parameter Symbol Ratings Unit Applied power supply voltage VMAX −0.3 to +6.0 V Power dissipation Pd 410 *1 mW Operating temperature range Topr −40 to +85 °C Storage temperature range Tstg −55 to +125 °C *1: Reduce by 4.1 mW/ C over 25C, when mounted on a glass epoxy PCB (70 mm 70 mm 1.6 mm). ● Recommended operating ranges (not to exceed Pd) Parameter Symbol Ratings Unit Power supply voltage VIN 2.5 to 5.5 V Output current IOUT 0 to 150 mA ● Recommended operating conditions Parameter Symbol Ratings Unit Conditions Min. Typ. Max. Input capacitor CIN 0.1 *2 — — µF The use of ceramic capacitors is recommended. Output capacitor CO 2.2 *2 — — µF The use of ceramic capacitors is recommended. *2 Make sure that the output capacitor value is not kept lower than this specified level across a variety of temperature, DC bias characteristic. And also make sure that the capacitor value cannot change as time progresses. ● Electrical characteristics (Unless otherwise specified, Ta = 25°C, VIN = VOUT + 1.0 V, STBY = 1.5 V, CIN = 0.1 µF, CO = 2.2 µF) Parameter Symbol Limits Unit Conditions Min. Typ. Max. Output voltage VOUT VOUT 0.99 VOUT VOUT 1.01 V IOUT = 1 mA Circuit current IGND — 60 100 µA IOUT = 50 mA Circuit current (STBY) ISTBY — — 1.0 µA STBY = 0 V Ripple rejection ratio RR — 80 — dB VRR = −20 dBv, fRR = 1 kz, IOUT = 10 mA Load response 1 LTV1 — 25 — mV IOUT = 1 mA to 30 mA Load response 2 LTV2 — 25 — mV IOUT = 30 mA to 1 mA Dropout voltage 1 VSAT1 — 80 150 mV VIN = 0.98 VOUT, IOUT = 30 mA Dropout voltage 2 VSAT2 — 250 450 mV VIN = 0.98 VOUT, IOUT = 100 mA Line regulation VDL1 — 1 20 mV VIN = VOUT + 0.5 V to 5.5 V, IOUT = 50 mA Load regulation 1 VDLO1 — 6 30 mV IOUT = 1 mA to 100 mA Load regulation 2 VDLO2 — 9 90 mV IOUT = 1 mA to 150 mA Overcurrent protection limit current ILMAX — 250 — mA VO = VOUT 0.98 Short current ISHORT — 50 — mA VO = 0 V STBY pull-down resistance RSTB 275 550 1100 kΩ STBY control voltage ON VSTBH 1.5 — VIN V OFF VSTBL −0.3 — 0.3 V * This IC is not designed to be radiation-resistant. |
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