參數(shù)資料
型號: ISL6121
廠商: Intersil Corporation
英文描述: Single Supply Integrated Current Limiting Controller(單電源,集成限流控制器)
中文描述: 單電源集成限流控制器(單電源,集成限流控制器)
文件頁數(shù): 2/11頁
文件大?。?/td> 422K
代理商: ISL6121
2
FN9004.2
November 12, 2004
Simplified Block Diagram
GND
VIN
VIN
EN
FAULT
OUT
OUT
OUT
Q-PUMP
CURRENT AND TEMP.
MONITORING, GATE AND
OUTPUT CONTROL
LOGIC
POR
LOGIC
Pin Descriptions
PIN #
SYMBOL
FUNCTION
DESCRIPTION
1
GND
IC GND Reference
2, 3
VIN
Chip Bias, Controlled
Supply Input, Undervoltage
Lock-Out
VIN provides chip bias voltage. At VIN < 2.5V chip functionality is disabled, FAULT latch
is cleared and floating. OUT is pulled and held low.
4
ENABLE /
ENABLE
Enable / Enable Not Input
Enables chip when VIN and ENABLE > 2.5V or ENABLE < 0.6V
5
FAULT
Over Current Fault Indicator Overcurrent fault indicator. FAULT is disabled for 12ms after turn-on. This output is pulled
low to GND after the current limit time-out period has expired and stays latched until
ENABLE is deasserted.
6, 7, 8
VOUT
Controlled Supply Output
Voltage output, connect to load to protect. Upon an overcurrent condition VOUT is current
limited to 2A. Current limit response time is within 200
μ
S. This output will remain in current
limit for approximately 12ms before being latched off.
ISL6121
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