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BU4231 Fiches technique(PDF) 2 Page - Rohm |
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BU4231 Fiches technique(HTML) 2 Page - Rohm |
2 / 12 page Technical Note 2/11 BU42□□G series, BU42□□F series, BU42□□FVE series, BU43□□G series, BU43□□F series, BU43□□FVE series www.rohm.com 2009.11 - Rev.C © 2009 ROHM Co., Ltd. All rights reserved. ● Absolute maximum ratings (Ta=25°C) Parameter Symbol Limits Unit Power Supply Voltage VDD-GND -0.3 ~ +7 V Output Voltage Nch Open Drain Output VOUT GND-0.3 ~ +7 V CMOS Output GND-0.3 ~ VDD+0.3 Power Dissipation SSOP5 *1*4 Pd 540 mW SOP4 *2*4 400 VSOF5 *3*4 210 Operating Temperature Topr -40 ~ +125 °C Ambient Storage Temperature Tstg -55 ~ +125 °C *1 When used at temperatures higher than Ta=25°C, the power is reduced by 5.4mW per 1°C above 25°C. *2 When used at temperatures higher than Ta=25°C, the power is reduced by 4.0mW per 1°C above 25°C. *3 When used at temperatures higher than Ta=25°C, the power is reduced by 2.1mW per 1°C above 25°C. *4 When a ROHM standard circuit board (70mm×70mm×1.6mm, glass epoxy board)is mounted. ● Electrical characteristics (Unless Otherwise Specified Ta=-40 to 105°C) Parameter Symbol Condition Limit Unit Min. Typ. Max. Detection Voltage VDET VDD=HL, Ta=25°C, RL=470kΩ Vdet(T) ×0.99 Vdet(T) Vdet(T) ×1.01 V Circuit Current when ON Idd1 VDD=VDET-0.2V VDET =0.9-1.3V - 0.15 0.88 µA VDET =1.4-2.1V - 0.20 1.05 VDET =2.2-2.7V - 0.25 1.23 VDET =2.8-3.3V - 0.30 1.40 VDET =3.4-4.2V - 0.35 1.58 VDET =4.3-4.8V - 0.40 1.75 Circuit Current when OFF Idd2 VDD=VDET+2.0V VDET =0.9-1.3V - 0.30 1.40 µA VDET =1.4-2.1V - 0.35 1.58 VDET =2.2-2.7V - 0.40 1.75 VDET =2.8-3.3V - 0.45 1.93 VDET =3.4-4.2V - 0.50 2.10 VDET =4.3-4.8V - 0.55 2.28 Operating Voltage Range Vopl VOL≤0.4V, Ta=25~125°C, RL=470kΩ 0.70 - - V VOL≤0.4V, Ta=-40~25°C, RL=470kΩ 0.90 - - ‘High’ Output Current (Pch) IOH VDS=0.5V VDD=6.0V VDET=4.0-4.8V 2.0 4.0 - mA ‘Low’ Output Current (Nch) Iol VDS=0.05V VDD=0.85V 20 100 - µA VDS=0.5V VDD=1.5V VDET=1.7-4.8V 1.0 3.3 - mA VDS=0.5V VDD=2.4V VDET=2.7-4.8V 3.6 6.5 - Leak Current when OFF Ileak VDD=VDS=7V Ta=-40~85°C - 0 0.1 µA VDD=VDS=7V Ta=85~125°C - 0 1 ‘High’ Output Current (Pch) Ioh VDS=0.5V VDD=4.8V VDET=0.9-3.9V 1.7 3.4 - mA VDS=0.5V VDD=6.0V VDET=4.0-4.8V 2.0 4.0 - CT pin Threshold Voltage Vcth VDD=VDET×1.1, VDET=0.9-2.5V Ta=25°C RL=470kΩ Vdd ×0.35 Vdd ×0.45 Vdd ×0.55 V VDD=VDET×1.1, VDET=2.6-4.8V Ta=25°C RL=470kΩ Vdd ×0.40 Vdd ×0.50 Vdd ×0.60 Output Delay Resistance Rct VDD=VDET×1.1 VCT=0.5V Ta=25°C *1 9 10 11 MΩ CT pin Output Current Ict VCT=0.1V VDD=0.85V 5 40 - µA VCT=0.5V VDD=1.5V VDET=1.7-4.8V 200 400 - Detection Voltage Temperature coefficient Vdet/∆T Ta=-40°C ~125°C - ±30 - ppm/°C Hysteresis Voltage ∆VDET VDD=LHL Ta=-40~125°C RL=470kΩ VDET≤1.0V Vdet ×0.03 Vdet ×0.05 Vdet ×0.08 V VDET≥1.1V Vdet ×0.03 Vdet ×0.05 Vdet ×0.07 *1: Designed guarantee. (Outgoing inspection is not done all products.) VDET(T) : Standard Detection Voltage(0.9V to 4.8V, 0.1V step) R L: Pull-up resistor to be connected between VOUT and power supply. |
Numéro de pièce similaire - BU4231 |
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Description similaire - BU4231 |
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