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Unitrode UCC2580D-2
- Part Number:
UCC2580D-2
- Manufacturer:
- Category:
- RoHs:
Non-RoHS Compliant - Datasheet:
UCC2580D-2_Datesheet - Description:
IC OFFLINE SW MULT TOP 16SOIC
- In stock 25,720
DESCRIPTION
· The UCC3580 family of PWM controllers is designed for active clamp/reset and synchronous rectifier switching converter topologies.
· It includes an auxiliary switch driver complementary to the main power switch with programmable deadtime.
· The active clamp/reset technique allows single-ended converters to operate beyond 50% duty cycle, reducing voltage stress and increasing transformer flux swing.
· The oscillator is programmed with two resistors and a capacitor to set switching frequency and maximum duty cycle.
FEATURES
· Provides auxiliary switch activation complementary to the main power switch drive.
· Programmable deadtime (turn-on delay) between activation of each switch.
· Voltage mode control with feedforward operation.
· Programmable limits for both transformer volt-second product and PWM duty cycle.
· High current gate driver for both main and auxiliary outputs.
· Multiple protection features with latched shutdown and soft restart.
· Low supply current (100 µA startup, 1.5 mA operation).
APPLICATIONS
· Single-ended active clamp/reset PWM converters.
· Synchronous rectifier switching converters.
· High-performance fixed frequency pulse width modulation systems.
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