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BD87A28FVM-TR fiches techniques PDF

ROHM Semiconductor - Voltage Detector ICs

Numéro de référence BD87A28FVM-TR
Description Voltage Detector ICs
Fabricant ROHM Semiconductor 
Logo ROHM Semiconductor 





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BD87A28FVM-TR fiche technique
Datasheet
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
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:
5μA(Typ)
Operating Temperature Range: -40°C to +105°C
Packages
MSOP8
W (Typ) x D (Typ) x H (Max)
2.90mm x 4.00mm x 0.90mm
Applications
All devices using microcontrollers or DSP, including
vehicle equipment, displays, servers, DVD players,
and telephone systems
SOP8
5.00mm x 6.20mm x 1.71mm
Ordering Information
B D3 7 A 1 9 F VM
-
TR
Part Number
37AWDT H Active
87AWDT L Active
99AWDT H Active
Detection Voltage Package
191.9V
282.8V
292.9V
343.4V
414.1V
FVM : MSOP8
F : SOP8
Packaging and forming specification
TR: Embossed tape and reel
E2: Embossed tape and reel
Lineup
Detection voltage (Typ)
1.9V
4.1V
2.8V
2.9V
3.4V
4.1V
4.1V
INH logic
H: Active
H: Active
L: Active
L: Active
L: Active
L: Active
H: Active
Package
MSOP8
Reel of 3000
MSOP8
Reel of 3000
MSOP8
Reel of 3000
MSOP8
Reel of 3000
MSOP8
Reel of 3000
MSOP8
Reel of 3000
SOP8
Reel of 2500
Orderable Part Number
BD37A19FVM-TR
BD37A41FVM-TR
BD87A28FVM-TR
BD87A29FVM-TR
BD87A34FVM-TR
BD87A41FVM-TR
BD99A41F-E2
Product structureSilicon monolithic integrated circuit
.www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product has not designed protection against radioactive rays
1/15
TSZ02201-0G1G0AN00130-1-2
05.Sep.2014 Rev.003

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