參數(shù)資料
型號: PT7A7535WE
廠商: PERICOM SEMICONDUCTOR CORP
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝: GREEN, SOIC-8
文件頁數(shù): 1/9頁
文件大?。?/td> 411K
代理商: PT7A7535WE
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PT0082(10/10)
Ver: 7
1
Data Sheet
PT7A7511-15/7521-25/7531-35
P Supervisor Circuits
Features
Precision supply-voltage monitor
- 4.63V (PT7A7511, 7521, 7531)
- 4.38V (PT7A7512, 7522, 7532)
- 3.08V (PT7A7513, 7523, 7533)
- 2.93V (PT7A7514, 7524, 7534)
- 2.63V (PT7A7515, 7525, 7535)
200ms reset pulse width
Debounced TTL/CMOS-compatible manual-
reset input
Independent watchdog timer 1.6sec time-out (not
available for PT7A7531 - 7535)
Reset output signal:
- Active-low only (PT7A7511 - 7515)
- Active-high only (PT7A7521 - 7525)
- Active-high and active-low (PT7A7531 - 7535)
Voltage monitor for power-fail or low battery
warning
Guaranteed RESET/RESET valid at VCC=1.2V
Description
The PT7A751X/752X/753X family microprocessor
(
P) supervisory circuits are targeted to improve
reliability and accuracy of power-supply circuitry in
P’s 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
P system.
2. Detecting
power
failure
or
low-battery
conditions with a 1.25V threshold detector.
3. Watchdog functions (not for PT7A753x)
Applications
Power-supply circuitry in
P systems
Ordering Information
Part Number
Package
Part Number
Package
PT7A751xPE
Lead free DIP-8
PT7A751xWE
Lead free and Green SOIC-8
PT7A752xPE
Lead free DIP-8
PT7A752xWE
Lead free and Green SOIC-8
PT7A753xPE
Lead free DIP-8
PT7A753xWE
Lead free and Green SOIC-8
Note: “X” refers to voltage range, see below table.
Suffix: X—Monitored Voltage and Function Comparison
Part No.
Reset
Threshold
Reset Active
Low or High
Nom. Reset
Time (ms), tRS
Nom. Watch dog
Time (sec), tWD
Power Fail
Comp.
Manual
Reset Input
PT7A7511
4.63V
LOW
200
1.6
1.25V detector
Yes
PT7A7521
4.63V
HIGH
200
1.6
1.25V detector
Yes
PT7A7531
4.63V
LOW, HIGH
200
unavailable
1.25V detector
Yes
PT7A7512
4.38V
LOW
200
1.6
1.25V detector
Yes
PT7A7522
4.38V
HIGH
200
1.6
1.25V detector
Yes
PT7A7532
4.38V
LOW, HIGH
200
unavailable
1.25V detector
Yes
PT7A7513
3.08V
LOW
200
1.6
1.25V detector
Yes
PT7A7523
3.08V
HIGH
200
1.6
1.25V detector
Yes
PT7A7533
3.08V
LOW, HIGH
200
unavailable
1.25V detector
Yes
PT7A7514
2.93V
LOW
200
1.6
1.25V detector
Yes
PT7A7524
2.93V
HIGH
200
1.6
1.25V detector
Yes
PT7A7534
2.93V
LOW, HIGH
200
unavailable
1.25V detector
Yes
PT7A7515
2.63V
LOW
200
1.6
1.25V detector
Yes
PT7A7525
2.63V
HIGH
200
1.6
1.25V detector
Yes
PT7A7535
2.63V
LOW, HIGH
200
unavailable
1.25V detector
Yes
相關(guān)PDF資料
PDF描述
PT7A7515PE 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, DIP8
PT7A7521PE 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, DIP8
PT7A7531PE 1-CHANNEL POWER SUPPLY SUPPORT CKT, DIP8
PT7A7513PE 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, DIP8
PT8002C 60 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, SMA44
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