PT7M7343TTAE datasheet, PDF - EEWORLD Datasheet

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PT7M7343TTAE: DescriptionPower Management Circuit,; CategoryPower/power management The power supply circuit; File Size132KB，17 Pages; ManufacturerPericom Technology Inc

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PT7M7343TTAE Overview

Power Management Circuit,

PT7M7343TTAE Parametric

Parameter Name	Attribute value
Maker	Pericom Technology Inc
package instruction	,
Reach Compliance Code	unknown

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Data Sheet

PT7M7803/7809-7812/7823-7825/7342-7345

P Supervisor Circuits

Discription

The PT7M7xxx family microprocessor (µP) supervisory

circuits are targeted to improve reliability and accuracy

of power-supply circuitry in

µP

systems. These devices

reduce the complexity and number of components

required to monitor power-supply and battery functions.

The main functions are:

1. Asserting reset output during power-up, power-down

and brownout conditions for

µP

system;

2. Detecting power failure or low-battery conditions with

a 1.25V threshold detector;

3. Watchdog functions;

4. Manual reset.

Features

• Precision supply-voltage monitor

- 4.63V (PT7M7xxxL)

- 4.38V (PT7M7xxxM)

- 3.08V (PT7M7xxxT)

- 2.93V (PT7M7xxxS)

- 2.63V (PT7M7xxxR)

- 2.32V (PT7M7xxxZ)

- 2.20V (PT7M7xxxY)

- 4.00V (PT7M7xxxJ)

• 200ms reset pulse width

• Debounced CMOS-compatible manual-reset input

(7811, 7812, 7823, 7825, 7342-7344)

• Reset Output Signal for Watchdog and Power

Abnormal, Manual Reset

• Reset Push-Pull output (PT7M7809,7811,7823,

7824,7825,7342,7345)

• Reset Open-Drain output (PT7M7803/7343)

• Voltage monitor for power-fail or low battery warning

• Guaranteed RESET/RESET valid at V

= 1.0V

Applications

• Power-supply circuitry in

µP

systems

Ordering Information

No.

Part No

PT7M7803XT

PT7M7809XT

PT7M7810XT

PT7M7811XTA

PT7M7812XTA

PT7M7823XTA

PT7M7824XTA

PT7M7825XTA

PT7M7342XTA

PT7M7343XTA

PT7M7344XTA

Package

SOT23-3

No.

Part No

PT7M7345XTA

PT7M7811XTB

PT7M7812XTB

PT7M7803XDE

PT7M7809XDE

PT7M7810XDE

PT7M7811XDE

PT7M7812XDE

PT7M7823XDE

PT7M7824XDE

PT7M7825XDE

Package

SOT23-6

SOT143

SOT23-5

Die Form

SOT23-6

Note: lead free package is available by adding E at the end of each part no. For example: PT7M7803XTE for

SOT23-3 lead free package.

Suffix: X -- Monitored Voltage

Suffix X

Reset Threshold(V) 4.36

PT0109L(02/07)

4.38

3.08

2.93

2.63

2.32

2.20

4.00

Ver:11

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