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PT7M7811LDEE

Description
Power Management Circuit,
CategoryPower/power management    The power supply circuit   
File Size132KB,17 Pages
ManufacturerPericom Technology Inc
Download Datasheet Parametric View All

PT7M7811LDEE Overview

Power Management Circuit,

PT7M7811LDEE Parametric

Parameter NameAttribute value
MakerPericom Technology Inc
package instruction,
Reach Compliance Codeunknown
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Data Sheet
PT7M7803/7809-7812/7823-7825/7342-7345
µ
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
CC
= 1.0V
Applications
• Power-supply circuitry in
µP
systems
Ordering Information
No.
1
2
3
4
5
6
7
8
9
10
11
Part No
PT7M7803XT
PT7M7809XT
PT7M7810XT
PT7M7811XTA
PT7M7812XTA
PT7M7823XTA
PT7M7824XTA
PT7M7825XTA
PT7M7342XTA
PT7M7343XTA
PT7M7344XTA
Package
SOT23-3
No.
12
13
14
15
16
17
18
19
20
21
22
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
L
Reset Threshold(V) 4.36
PT0109L(02/07)
M
4.38
T
3.08
1
S
2.93
R
2.63
Z
2.32
Y
2.20
J
4.00
Ver:11
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