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BD9423EFV Datasheet(PDF) 5 Page - Rohm |
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BD9423EFV Datasheet(HTML) 5 Page - Rohm |
5 / 61 page Datasheet Datasheet 5/57 TSZ02201-0F2F0C100080-1-2 © 2014 ROHM Co., Ltd. All rights reserved. 9.Oct.2015 Rev.001 www.rohm.com TSZ22111 • 15 • 001 BD9423EFV 1.8 Electrical Characteristics 1/3 (unless otherwise specified, VIN=24V Tj=25°C) Parameter Symbol Min Typ Max Unit Condition 【 Whole device】 Operating circuit current ICC - 9 16 mA STB=3.0V, LED1-6=ON, RT=100kΩ Standby circuit current ISTB - 15 25 μASTB=0V DVDD circuit current IDVDD - 1.8 - mA DVDD=3.3V 【 UVLO block】 VCC operating supply voltage VUVLO_VCC 7.0 7.5 8.0 V VCC=SWEEP UP VCC hysteresis voltage VUHYS_VCC 150 300 600 mV VCC=SWEEP DOWN UVLO release voltage VUVLO_UVLO 2.40 2.50 2.60 V VUVLO=SWEEP UP UVLO HYS width VUHYS_UVLO 100 200 400 mV VUVLO=SWEP DOWN UVLO pin input current IUVLO -2 0 2 AVUVLO=3.0V DVDD release voltage VUVLO_DVDD 2.10 2.35 2.60 V VDVDD=SWEEP UP DVDD HYS width VUHYS_DVDD 100 200 400 mV VDVDD=SWEP DOWN 【 REG9V block】 REG9V output voltage REG9V 8.91 9.0 9.09 V IO=0mA, VCC>11.0V REG9V max. output current IREG9V 20 - - mA 【 DCDC block】 Error AMP reference voltage VEAMP 0.97 1.00 1.03 V LED_LV=1.0V, LEDLV[3:0]=0000 0.578 0.60 0.622 V LEDLV[3:0]=1001 0.278 0.300 0.322 V LEDLV[3:0]=1111 FB sink current IFBSINK 85 100 115 μA LED_LV=1.0V, LEDx=2.0V, VFB=1.0V FB source current (Master) IFBSOURCEM -115 -100 -85 μA LED_LV=1.0V, LEDx=0.0V, VFB=1.0V,CS=0.0V FB source current (Slave) IFBSWRCKS -230 -200 -170 μA LEDx=0V,VFB=1.0V,CS=5.0V LED_LV pin input current ILED_LV -2 0 2 μA VLED_LV=3.0V Oscillation frequency FCT 190 200 210 kHz RT=100kΩ, FOSC[4:0]=00000 MAX DUTY DMAX 83 89 96 % SS pin source current ISS -3.75 -3.0 -2.25 μA SS=0V SS pin release voltage VSS 3.8 4.0 4.2 V SS=SWEEP UP N pin source resistor RONH - 2.5 3.5 Ω ION=-10mA N pin sink resistor RONL - 3.0 4.2 Ω ION=10mA |
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