TSM101ACDT
VOLTAGE AND CURRENT CONTROLLER
1.24V SERIES VOLTAGE REFERENCE
WITH 10mA OUTPUT CURRENT AND 1%
PRECISION (TSM101A)
TWO OPERATIONAL AMPLIFIERS WITH
ORED OUTPUT AND 1MHZ GAIN BANDWIDTH PRODUCT
BUILT-IN CURRENT GENERATOR WITH
ENABLE/DISABLE FUNCTION
4.5 TO 32V SUPPLY VOLTAGE RANGE
SO8 AND DIP8 PACKAGES
DESCRIPTION
The TSM101/TSM101A integrated circuit incorporates a high stability series band gap voltage reference, two ORed operational amplifiers and a current source.
This IC compares the DC voltage and the current
level at the output of a switching power supply to
ainternal reference. It provides a feedback
through aoptocoupler to the PWM controller IC
ithe primary side.
The controlled current generator cabe used to
modify the level of current limitatioby offsetting
the informatiocoming from the current sensing
resistor.
APPLICATIONS
This circuit is designed to be used ibattery
chargers with a constant voltage and a limited output current.
It cabe used ievery types of applicatiorequiring a precisiovoltage regulatioand current limitation.
Other applications include voltage supervisors,
over voltage protection...
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