Datasheet > APR3001-15B

APR3001-15B

更新时间： 2024-01-27 02:53:25

品牌	Logo	应用领域
茂达 - ANPEC		微处理器复位电路
页数	文件大小	规格书
15页	143K
描述
MicroPower Microprocessor Reset Circuit

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技术参数
数据手册

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APR3001-15B 技术参数

是否Rohs认证：	符合	生命周期：	Contact Manufacturer
包装说明：	,	Reach Compliance Code：	compliant
风险等级：	5.72	模拟集成电路 - 其他类型：	POWER SUPPLY SUPPORT CIRCUIT
JESD-609代码：	e3	峰值回流温度（摄氏度）：	NOT SPECIFIED
端子面层：	Matte Tin (Sn)	处于峰值回流温度下的最长时间：	NOT SPECIFIED
Base Number Matches：	1

APR3001-15B 数据手册

APR3001/2/3

Application Information

V^CC

VCC Transient Rejection

The APR3001/2/3 have the function to reject the tran-

sient glitches from the power line. The Maximum Tran-

sient Duration vs. Reset Threshold Overdrive shows

V^CC

RESET

at Typical Characteristics.The transient voltage with

the duration under the curve will not generate a reset

signal, e.g. a transient of 100mV below the reset

threshold voltage have the duration more than 35us, it

will generate a reset signal. Connect a 0.1uF bypass

capacitor to the V^CCpin can improve the transient

immunity.

100K

GND

Figure 1. Ensuring RESET Valid to VCC = 0 V

+3.3V

+5.0V

Reset Output

The APR3001/2/3 have 3 output stage versions:

APR3001 is an active low push-pull output, when the

VCC drops below the reset threshold, the RESET out-

put generates a low signal. APR3002 is an active high

push-pull output, when the VCC drops below the reset

threshold, the RESET output generates a high signal

(see Timing Chart). APR3003 is an active low open

drain output, the RESET output must be connected a

pull-up resistor to a supply voltage that is lower than

6V, it suits to use in multiple voltage systems (see

Figure 2). The APR3001 RESET output is valid until

the VCC=1.2V, below 1.2V the IC is shutdown, and

the output becomes a floating state. If it is a trouble, a

resistor should be connected from reset output to

ground to keep the reset output low (see Figure 1).

For The APR3002, a pull-up resistor to VCC is required

to keep the valid reset output for VCC below 1.2V.

APR3003

RESET

100k

RESET 5V

INPUT System

GND

Figure 2. APR3003 Open Drain Output with Multiple

Supplies

Rev. A.3 - Feb., 2004

www.anpec.com.tw

1...6 7 8910 11 12...15

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