参数资料
型号: PT7M1233-10NBE
厂商: PERICOM SEMICONDUCTOR CORP
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, BCY3
封装: LEAD FREE, TO-92, 3 PIN
文件页数: 1/8页
文件大小: 289K
代理商: PT7M1233-10NBE
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PT0195(12/06)
Ver: 2
1
Data Sheet
PT7M1233/1233A Supervisory Circuit
Features
High accurate: ±1.5% (25°C)
Operating voltage range: 1.0V ~ 5.5V
Operating temperature range: -40°C to + 85°C
Detect voltage temperature characteristics: ±2.5% ×
TYP
Output configuration: Bi-dir
Reset timeout period: typical 200ms
Ordering Information
Part Number
Package
PT7M1233-15NBE
lead free TO92
PT7M1233-10NBE
lead free TO92
PT7M1233-5NBE
lead free TO92
PT7M1233-15TCE
lead free SOT223
PT7M1233-10TCE
lead free SOT223
PT7M1233-5TCE
lead free SOT223
PT7M1233A-15NBE
lead free TO92
PT7M1233A-10NBE
lead free TO92
PT7M1233A-15TCE
lead free SOT223
PT7M1233A-10TCE
lead free SOT223
Description
The PT7M1233/1233A series are designed to monitor
power supplies in P and digital systems. They provide
excellent circuit reliability and low cost by eliminating
external components and adjustments.
The devices perform a single function: assert a reset
signal whenever the VCC supply voltage falls below a
preset threshold. Reset remains asserted 200ms after VCC
has risen above the reset threshold.
PT7M1233/1233A are bidirectional output, allowing it to
monitor a pushbutton on the reset output.
Function comparison
Block Diagram
Item
Part No.
Reset Output
Threshold
1
PT7M1233-15
Bi-direct, Active low
4.1V
2
PT7M1233-10
Bi-direct, Active low
4.3V
3
PT7M1233-5
Bi-direct, Active low
4.6V
4
PT7M1233A-15
Bi-direct, Active low
2.72V
5
PT7M1233A-10
Bi-direct, Active low
2.88V
T.C.
Reference
Reset
Monitor
Timing
Delay
Vcc
GND
5k
RST
VCC Resistor
Divider
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