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BD87A34FVM-TR Datasheet(PDF) 1 Page - Rohm |
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BD87A34FVM-TR Datasheet(HTML) 1 Page - Rohm |
1 / 19 page Voltage Detectors Voltage Detector ICs with Watchdog Timer BD37Axx Series BD87Axx Series BD99A41F General Description The BD37A19FVM, BD37A41FVM, BD87A28FVM, BD87A29FVM, BD87A34FVM, BD87A41FVM and BD99A41F are watchdog timer reset ICs. It delivers a high precision detection voltage of ±1.5% and a super-low current consumption of 5 µA (Typ). It can be used in a wide range of electronic devices to monitor power supply voltages and in system operation to prevent runaway operation. Features Built-in Watchdog Timer Reset delay time can be set with the CT pin's external capacitance Watchdog timer monitor time and reset time can be set with the CTW pin's external capacitance. Output Circuit Type: N-Channel Open Drain Applications All devices using microcontrollers or DSP, including vehicle equipment, displays, servers, DVD players, and telephone systems Key Specifications RESET Power Supply Voltage Range: 1.0V to 10V WDT Power Supply Voltage Range: 2.5V to 10V High Precision Detection Voltage: (Ta = 25°C) ±1.5% (Ta = −40°C to 105°C) ±2.5% Super-Low Current Consumption: 5 μA(Typ) Operating Temperature Range: -40°C to +105°C Packages W (Typ) x D (Typ) x H (Max) MSOP8 2.90mm x 4.00mm x 0.90mm SOP8 5.00mm x 6.20mm x 1.71mm Ordering Information B D 3 7 A 1 9 F V M - T R Part Number 37A:WDT H Active 87A:WDT L Active 99A:WDT H Active Detection Voltage 19:1.9V 28:2.8V 29:2.9V 34:3.4V 41:4.1V Package FVM : MSOP8 F : SOP8 Packaging and forming specification TR: Embossed tape and reel E2: Embossed tape and reel Lineup Detection voltage (Typ) INH logic Package Orderable Part Number 1.9V H: Active MSOP8 Reel of 3000 BD37A19FVM-TR 4.1V H: Active MSOP8 Reel of 3000 BD37A41FVM-TR 2.8V L: Active MSOP8 Reel of 3000 BD87A28FVM-TR 2.9V L: Active MSOP8 Reel of 3000 BD87A29FVM-TR 3.4V L: Active MSOP8 Reel of 3000 BD87A34FVM-TR 4.1V L: Active MSOP8 Reel of 3000 BD87A41FVM-TR 4.1V H: Active SOP8 Reel of 2500 BD99A41F-E2 ○Product structure:Silicon monolithic integrated circuit ○This product has not designed protection against radioactive rays . 1/15 TSZ02201-0G1G0AN00130-1-2 © 2013 ROHM Co., Ltd. All rights reserved. 05.Sep.2014 Rev.003 TSZ22111・14・001 www.rohm.com Datasheet |
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