BD45251G-TR

更新时间： 2024-11-28 13:01:27

品牌	Logo	应用领域
罗姆 - ROHM		计数器
页数	文件大小	规格书
16页	482K
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BD45251G-TR 数据手册

Datasheet

Voltage Detector IC Series

Counter Timer Built-in

CMOS Voltage Detector IC

BD45xxx series BD46xxx series

●Key Specifications

Detection voltage:

●General Description

2.3V to 4.8V (Typ.)

0.1V steps

±1.0%

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.

High accuracy detection voltage:

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

●Applications

No delay time setting external capacitor required

Ultra-low current consumption

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

VDD1

Micro

controller

Micro

controller

BD46xxx

RST

BD45xxx

RST

（Noise-filtering

Capacitor）

（Noise-filtering

Capacitor）

GND

（Open Drain Output Type）

（CMOS Output Type）

BD45xxx series

BD46xxx 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

TSZ02201-0R7R0G300010-1-2

18.Dec.2012 Rev.005

1/13

TSZ22111・14・001

12 3 4 5 6 7...16

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