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参数资料
| 型号： | CAT1027YI-28-GT3 |
| 元件分类： | 电源管理 |
| 英文描述： | 2-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8 |
| 封装： | ROHS COMPLIANT, MO-153, TSSOP-8 |
| 文件页数： | 14/20页 |
| 文件大小： | 241K |
| 代理商： | CAT1027YI-28-GT3 |
CAT1026, CAT1027
Catalyst Semiconductor, Inc.
3
Doc. No. MD-3010 Rev. M
Characteristics subject to change without notice
PIN DESCRIPTION
RESET/RESET
:
RESET OUTPUTs
(RESET CAT1026 Only)
These are open drain pins and RESET
can be used
as a manual reset trigger input. By forcing a reset
condition on the pin the device will initiate and
maintain a reset condition. The RESET pin must be
connected through a pull-down resistor, and the
RESET
pin must be connected through a pull-up
resistor.
SDA:
SERIAL DATA ADDRESS
The bidirectional serial data/address pin is used to
transfer all data into and out of the device. The SDA
pin is an open drain output and can be wire-ORed
with other open drain or open collector outputs.
SCL:
SERIAL CLOCK
Serial clock input.
VSENSE: AUXILIARY VOLTAGE MONITOR INPUT
The VSENSE input is a second voltage monitor which is
compared against CAT1026 and CAT1027 internal
reference voltage of 1.25V typically. Whenever the
input voltage is lower than 1.25V, the open drain VLOW
output will be driven low. An external resistor divider is
used to set the voltage level to be sensed. Connect
VSENSE to VCC if unused.
VLOW: AUXILIARY VOLTAGE MONITOR OUTPUT
This open drain output goes low when VSENSE is less
than 1.25V and goes high when VSENSE exceeds the
reference voltage.
WDI (CAT1027 Only):
WATCHDOG TIMER INTERRUPT
Watchdog Timer Interrupt Input is used to reset the
watchdog timer. If a transition from high to low or low
to high does not occur every 1.6 seconds, the RESET
outputs will be driven active.
PIN FUNCTION
Pin
Name
Function
RESET
Active Low Reset Input/Output
VSS
Ground
SDA
Serial Data/Address
SCL
Clock Input
RESET
Active High Reset Output
(CAT1026 only)
VCC
Power Supply
VSENSE
Auxiliary Voltage Monitor Input
VLOW
Auxiliary Voltage Monitor Output
WDI
Watchdog Timer Interrupt
(CAT1027 only)
OPERATING TEMPERATURE RANGE
Industrial
-40C to 85C
Extended
-40C to 125C
CAT10XX FAMILY OVERVIEW
Device
Manual
Reset
Input Pin
Watchdog
Monitor
Pin
Write
Protection
Pin
Independent
Auxiliary
Voltage Sense
RESET:
Active High
and LOW
EEPROM
CAT1021
SDA
2k
CAT1022
SDA
2k
CAT1023
WDI
2k
CAT1024
2k
CAT1025
2k
CAT1026
2k
CAT1027
WDI
2k
For supervisory circuits with embedded 16k EEPROM, please refer to the CAT1161, CAT1162 and CAT1163
data sheets.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CAT1027YI-28-T3 | 制造商:ON Semiconductor 功能描述:CPU SUPERVISOR WITH 2K EEPROM - Tape and Reel |
| CAT1027YI30 | 制造商:ON Semiconductor 功能描述:CPU SUPERVISOR WITH 2K EEPROM - Rail/Tube |
| CAT1027YI-30-GT3 | 功能描述:监控电路 CPU SUP W/2K EEPROM RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| CAT1027YI-30-T3 | 制造商:ON Semiconductor 功能描述:CPU SUPERVISOR WITH 2K EEPROM - Tape and Reel |
| CAT1027YI42 | 制造商:ON Semiconductor 功能描述:CPU SUPERVISOR WITH 2K EEPROM - Rail/Tube |
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