UC1524
UC2524
UC3524
www.ti.com SLUS180E – NOVEMBER 1999 – REVISED OCTOBER 2005 ADVANCED REGULATING PULSE WIDTH MODULATORS
FEATURES DESCRIPTION Complete PWM Power Control Circuitry
Uncommitted Outputs for Single-Ended or
Push-Pull Applications
Low Standby Current . 8 mA Typical
Interchangeable With SG1524, SG2524 and
SG3524, Respectively The UC1524, UC2524 and UC3524 incorporate on a
single monolithic chip all the functions required for the
construction of regulating power supplies, inverters or
switching regulators. They can also be used as the
control element for high-power-output applications.
The UC1524 family was designed for switching
regulators of either polarity, transformer-coupled
dc-to-dc converters, transformerless voltage doublers
and polarity converter applications employing fixedfrequency, pulse-width modulation techniques. The
dual alternating outputs allow either single-ended or
push-pull applications. Each device includes an
on-chip reference, error amplifier, programmable
oscillator, pulse-steering flip-flop, two uncommitted
output transistors, a high-gain comparator, and …
