UCC39421 Datasheet - Unitrode

UCC39421, Multimode High Frequency PWM Controller

ą UCC29421, UCC29422, UCC39421, UCC39422 MULTIMODE HIGHĆFREQUENCY PWM CONTROLLER SLUS246C * OCTOBER 1999 * REVISED FEBRUARY 2005 D O.
SYNC/SD 13 RT 14 1. CROSS COND.

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Datasheet Details

Part number:

UCC39421

Manufacturer:

Unitrode

File Size:

1.18 MB

Description:

Multimode High Frequency PWM Controller

Features

* include pulse-by-pulse current limiting, and a low 5-µA quiescent current during shutdown. The UCC39422 incorporates programmable power-on reset circuitry and an uncommitted comparator for low voltage detection. The available packages are 20-pin TSSOP or 20-pin N for the UCC39422, and 16-pin TSSOP o

Applications

* D Up to 2-MHz Oscillator D Synchronizable Fixed Frequency Operation D High-Efficiency Low-Power Mode D High-Efficiency at Very Low-Power with Programmable Variable Frequency Mode D Pulse-by-Pulse Current Limit D 5-µA Supply Current in Shutdown D 150-µA Supply Current in Sleep Mode D Selectable NMOS

UCC39421 Distributors

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UCC39421 Multimode High Frequency PWM Controller Unitrode

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