参数资料
型号: SL71053
厂商: AUK Corp
英文描述: CC, CV Control for Battery Charger & Adaptor
中文描述: 消委会,简历控制电池充电器
文件页数: 1/6页
文件大小: 202K
代理商: SL71053
KSD-I5P005-000
1
SL71053
CC, CV Control for Battery Charger & Adaptor
Description
SL71053 is a highly integrated solution for SMPS applications requiring CV (constant voltage) and CC
(constant current) mode. SL71053 integrates one voltage reference, two operational amplifiers (with
ORed outputs-common collectors), and a current sensing circuit. The voltage reference combined with
one operational amplifier makes it an ideal voltage controller, and the other low voltage reference com-
bined with the other operational amplifier makes it an ideal current limiter for output low side current
sensing. the current threshold is fixed, and precise. the only external components are :
-. a resistor bridge to be connected to the output of the power supply (adapter, battery charger) to set the
voltage regulation by dividing the desired output voltage to match the internal voltage reference value.
-. a sense resistor having a value and allowable dissipation power which need to be chosen according to
the internal voltage threshold.
-. optional compensation components. SL71053, housed in one of the smallest package available, is
ideal for space shrink applications such as adapters and battery chargers
.
Features
Constant voltage & constant current control
Wide operating voltage range (2.2V to 14V)
Precision internal voltage reference (1.21V
±
1.0%)
Precision internal CC AMP reference (80mV Typ.)
Low external component count
Current sink output stage
Easy compensation
Applications
Adapters
Battery chargers
Ordering Information
Type NO.
Marking
Package Code
SL71053
703
SOT - 26
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