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BD9397EFV Datasheet(PDF) 4 Page - Rohm |
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BD9397EFV Datasheet(HTML) 4 Page - Rohm |
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4 / 31 page  Datasheet Datasheet 4/27 TSZ02201-0F1F0C100330-1-2 © 2013 ROHM Co., Ltd. All rights reserved. 1.Sep.2015 Rev.006 www.rohm.com TSZ22111・15・001 BD9397EFV ●1.2 Electrical Characteristics 2(Unless otherwise specified, Ta=25°C，VCC=24V) Parameter Symbol Limit Unit Condition Min. Typ. Max. 【 UVLO block】 Operation power source voltage (VCC) VUVLO_VCC 7.0 7.5 8.0 V VCC=SWEEP UP Hysteresis voltage (VCC) VUHYS_VCC 150 300 600 mV VCC=SWEEP DOWN UVLO Release voltage VUVLO_U 2.375 2.5 2.625 V VUVLO=SWEEP UP Hysteresis voltage (UVLO) VUHYS_U 50 100 150 mV VUVLO=SWEEP DOWN UVLO terminal input resistance RUVLO 370 610 850 kΩ VUVLO=3V 【 Filter block】 CP detection voltage VCP 1.9 2.0 2.1 V CP=SWEEP UP CP source current ICP -1.2 -1.0 -0.8 μA VCP=0V 【 LED driver block】 S terminal voltage VSLED 196 200 204 mV VREF=1.0V 294.6 300 305.4 mV VREF=1.5V 392.8 400 407.2 mV VREF=2.0V 491 500 509 mV VREF=2.5V LED current rise time ILEDtr - 400 760 ns VREF=0.3V,RS=2Ω LED current fall time ILEDtf - 100 280 ns VREF=0.3V,RS=2Ω OPEN detection voltage VOPEN 0.12 0.20 0.28 V VLED=SWEEP DOWN SHORT detection voltage VSHORT 5.7 6.0 6.3 V VLED=SWEEPUP, VLSP=1.2V SHORT MASK voltage VSHTMASK 2.85 3.0 3.15 V VREF terminal input current IVREF -2 0 2 μA VVREF=3V LSP terminal input current ILSP -2 0 2 μA VLSP=3V 【 STB block】 STB terminal HIGH voltage STBH 2.0 - VCC V STB terminal LOW voltage STBL -0.3 - 0.8 V STB terminal Pull Down resistance RSTB 0.5 1.0 1.5 MΩ STB=3V 【 PWM IN block】 PWM terminal HIGH voltage PWMH 2.0 - 20 V PWM terminal LOW voltage PWML -0.3 - 0.8 V PWM terminal Pull Down resistance RPWM 200 300 400 kΩ PWM=3V 【 FAIL_MODE,FAIL_RST,SUMPWM block】 Input terminal High voltage VINH 2.0 - 20 V Input terminal Low voltage VINL -0.3 - 0.8 V Input terminal Pull Down resistance RVIN 60 100 140 kΩ VIN=3V 【 FAIL block（OPEN DRAIN）】 FAIL LOW output voltage VOL 0.25 0.5 1.0 V IOL=1mA |
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