Datasheet > FM1233DDHS3

FM1233DDHS3

更新时间： 2024-09-15 15:32:27

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		光电二极管
页数	文件大小	规格书
7页	44K
描述
Power Supply Support Circuit, Fixed, 1 Channel, PDSO3, SOT-23, 3 PIN

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技术参数
数据手册

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FM1233DDHS3 技术参数

生命周期：	Obsolete	零件包装代码：	SOT-23
包装说明：	TSOP,	针数：	3
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.68
可调阈值：	NO	模拟集成电路 - 其他类型：	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：	R-PDSO-G3	长度：	2.9 mm
信道数量：	1	功能数量：	1
端子数量：	3	最高工作温度：	105 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	TSOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, THIN PROFILE	认证状态：	Not Qualified
座面最大高度：	1.14 mm	最大供电电压 (Vsup)：	5.5 V
最小供电电压 (Vsup)：	4.5 V	标称供电电压 (Vsup)：	5 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子形式：	GULL WING	端子节距：	0.95 mm
端子位置：	DUAL	宽度：	1.3 mm
Base Number Matches：	1

FM1233DDHS3 数据手册

PRELIMINARY

May 2001

FM1233D

3-Pin µC Supervisor Circuit

General Description

Features

The FM1233D is a supervisor circuit that monitors a microproces-

sor power supply or other system voltage and issues a reset pulse

when a fault condition exists. Several different threshold voltages

areofferedtoaccommodate5Vsystemswithdifferenttolerances.

I Precision monitoring of 5V and lower voltage microprocessor

systems

I V_THvalues of 4.62V, 4.38V and 4.12V

I Automatic restart of microprocessor after power failure

I 140ms (min) power-on RESET delay

I Internal 5kΩ pull-up resistor

The device features a precision temperature-compensated volt-

age reference and comparator. When V_CCfalls to the threshold

voltage, a RESET pulse is issued, holding the output in the active

state. When power rises above V_TH, the reset remains for approxi-

mately 250 ms to allow the system clock and other circuits to

stabilize. The reset output of FM1233D is of open-drain active low

type.

I Other reset choices available: 32 to 256ms

I Operating Temperature -40°C to +105°C

I SOT23-3 package

Typical Operating Circuit

VCC

FM1233D

Controller

/RESET

GND

Connection Diagram

GND

VCC

FM1233D

/RESET

SOT23-3 Package

FM1233D Rev. A.1

www.fairchildsemi.com

12 3 4 5 6 7

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