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BU4809FVE-TR Fiches technique(PDF) 3 Page - Rohm |
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BU4809FVE-TR Fiches technique(HTML) 3 Page - Rohm |
3 / 9 page Technical Note 3/8 BU48 □□G, BU48□□F, BU48□□FVE, BU49□□G, BU49□□F, BU49□□FVE series www.rohm.com 2009.06 - Rev.C © 2009 ROHM Co., Ltd. All rights reserved. Electrical characteristics (Unless Otherwise Specified Ta=-25 to 125°C) Parameter Symbol Condition Limit Unit Min. Typ. Max. 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 - - ‘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 4.0 7.2 - ‘High’ Output Current (Pch) (only BU49 □□G/F/FVE) 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 - Output Leak Current when OFF (only BU48 □□G/F/FVE) Ileak VDD=VDS=7V Ta=-40°C~85°C - 0 0.1 µA VDD=VDS=7V Ta=85°C~125°C - 0 1 * This product is not designed for protection against radioactive rays. Block Diagrams BU48 □□G/F/FVE BU49 □□G/F/FVE Fig.1 Fig.2 SSOP5 SOP4 VSOF5 PIN No. Symbol Function PIN No. Symbol Function PIN No. Symbol Function 1 VOUT Reset output 1 VOUT Reset output 1 VOUT Reset output 2 VDD Power supply voltage 2 VDD Power supply voltage 2 SUB Substrate* 3 GND GND 3 N.C. Unconnected terminal 3 N.C. Unconnected terminal 4 N.C. Unconnected terminal 4 GND GND 4 VDD Power supply voltage 5 N.C. Unconnected terminal 5 GND GND *Connect the substrate to VDD Vref VOUT VDD GND Vref VOUT VDD GND TOP VIEW TOP VIEW TOP VIEW |
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