Datasheet > BD45E231

BD45E231

更新时间： 2024-09-13 12:31:03

品牌	Logo	应用领域
罗姆 - ROHM		计数器
页数	文件大小	规格书
17页	427K
描述
Counter Timer Built-in CMOS Voltage Detector IC

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BD45E231 数据手册

Datasheet

Voltage Detector IC Series

Counter Timer Built-in

CMOS Voltage Detector IC

BD45Exxxx-M series BD46Exxxx-M series (AEC-Q100 Qualified)

●Key Specifications

●General Description

ꢀ Detection voltage:

2.3V to 4.8V (Typ.)

0.1V steps

±1.0%

ROHM’s BD45Exxxx-M and BD46Exxxx-M series are

highly accurate, low current consumption Voltage

ꢀ High accuracy detection voltage:

Detector IC series. Because the counter timer delay

circuit is built into those series, an external capacitor for

the delay time setting is unnecessary. The lineup was

established with two 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 to application.

ꢀ Ultra-low current consumption:

ꢀ Operating temperature range:

ꢀ Three internal, fixed delay time:

0.85µA (Typ.)

-40°C to +105°C

50ms

100ms

200ms

●Package

SSOP5

2.90mm x 2.80mm x 1.25mm

●Features

ꢀ Counter Timer Built-in

ꢀ No delay time setting capacitor required

ꢀ Ultra-low current consumption

●Applications

Circuits using microcontrollers or logic circuits that require

a reset.

ꢀ Two output types (Nch open drain and CMOS output)

ꢀ Package SSOP5 is similar to SOT-23-5 (JEDEC)

●Typical Application Circuit

VDD1

VDD2

Micro

controller

Micro

controller

BD46Exxxx-M

RST

BD45Exxxx-M

RST

（Noise-filtering

Capacitor）

（Noise-filtering

Capacitor）

GND

（Open Drain Output Type）

（CMOS Output Type）

BD46Exxxx-M series

BD45Exxxx-M series

●Connection Diagram

●Pin Descriptions

SSOP5

VDD

VOUT

PIN No.

Symbol

Function

Manual Reset

Substrate *

SUB

GND

VOUT

VDD

GND

TOP VIEW

Reset Output

Power Supply Voltage

Lot. No

Marking

ER SUB GND

*Connect the substrate to GND.

○Product structure：Silicon monolithic integrated circuit ○This product is not designed for protection against radioactive rays

.www.rohm.com

TSZ02201-0R7R0G300110-1-2

23.May.2013 Rev.003

1/14

TSZ22111・14・001

12 3 4 5 6 7...17

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