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UC2842A

LINFINITY
Part Number UC2842A
Manufacturer LINFINITY
Description CURRENT MODE PWM CONTROLLER
Published Oct 16, 2019
Detailed Description T H E I N F I N I T E P O W E R O F I N N O VAT I O N L I N D O C #: 1840 UC184xA/284xA/384xA CURRENT MODE PWM CONTROLL...
Datasheet PDF File UC2842A PDF File

UC2842A
UC2842A

Overview
T H E I N F I N I T E P O W E R O F I N N O VAT I O N L I N D O C #: 1840 UC184xA/284xA/384xA CURRENT MODE PWM CONTROLLER PR O D U C T I O N D ATA S H E E T DESCRIPTION The UC184xA family of control ICs provides all the necessary features to implement off-line fixed-frequency, current-mode switching power supplies with a minimum of external components.
The current mode architecture demonstrates improved load regulation, pulse-by-pulse current limiting and inherent protection of the power supply output switch.
The IC includes: A bandgap reference trimmed to ±1% accuracy, an error amplifier, a current sense comparator with internal clamp to 1V, a high current totem pole output stage for fast switching of power MOSFET's, and an externally programmable oscillator to set frequency and maximum duty cycle.
The undervoltage lock-out is designed to operate with 250µA typ.
start-up current, allowing an efficient bootstrap supply voltage design.
Available options for this family of products, ...


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