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BD45422

Description
Processor Supervisor 4.2V 1 Active Low/Open Drain 5-Pin SSOP
File Size969KB,19 Pages
ManufacturerROHM Semiconductor
Websitehttps://www.rohm.com/
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BD45422 Overview

Processor Supervisor 4.2V 1 Active Low/Open Drain 5-Pin SSOP

Datasheet
Voltage Detector IC Series
Counter Timer Built-in
CMOS Voltage Detector IC
BD45xxx series
BD46xxx series
●Key
Specifications
Detection voltage:
2.3V to 4.8V (Typ.)
0.1V steps
High accuracy detection voltage:
±1.0%
Ultra-low current consumption:
0.85µA (Typ.)
Operating temperature range:
-40°C to +105°C
Three internal, fixed delay time:
50ms
100ms
200ms
●Package
SSOP5
2.90mm x 2.80mm x 1.25mm
●Applications
Circuits using microcontrollers or logic circuits that
require a reset.
●General
Description
ROHM’s BD45xxx and BD46xxx series are highly
accurate, low current consumption Voltage Detector ICs.
Because the counter timer delay circuit is built into
these series, an external capacitor for the delay time
setting is unnecessary. The lineup was established with
low output types (Nch open drain and CMOS output)
and detection voltages range from 2.3V to 4.8V in
increments of 0.1V, so that the series may be selected
according the application at hand.
●Features
Counter Timer Built-in
No delay time setting external capacitor required
Ultra-low current consumption
Two output types (Nch open drain and CMOS output)
Package SSOP5 is similar to SOT-23-5 (JEDEC)
●Typical
Application Circuit
V
DD1
R
L
BD45xxx
R
ST
Micro
controller
V
DD2
V
DD1
BD46xxx
R
ST
Micro
controller
C
L
(Noise-filtering
Capacitor)
C
L
GND
(Noise-filtering
Capacitor)
GND
(Open
Drain Output Type)
BD45xxx series
●Connection
Diagram
SSOP5
V
DD
V
OUT
PIN No.
1
2
TOP VIEW
(CMOS
Output Type)
BD46xxx series
●Pin
Descriptions
Symbol
ER
SUB
GND
V
OUT
V
DD
Function
Manual Reset
Substrate
*
GND
Reset Output
Power Supply Voltage
3
Lot. No
4
5
Marking
ER
SUB GND
*Connect the substrate to GND.
○Product
structure:Silicon monolithic integrated circuit
.
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
○This
product is not designed for protection against radioactive rays
1/13
TSZ02201-0R7R0G300010-1-2
11.Dec.2020 Rev.008
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