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TPS43000 Multimode High-Frequency PWM Controller

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Description

TPS43000 MULTIĆTOPOLOGY HIGHĆFREQUENCY PWM CONTROLLER SLUS489 * OCTOBER 2001 .
The TPS43000 is a high-frequency, voltage-mode, synchronous PWM controller that can be used in buck, boost, SEPIC, or flyback topologies.

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Features

* D High-Frequency (2-MHz) Voltage Mode PWM Controller D 1.8-V to 9.0-V Input Voltage Range D 0.8-V to 8.0-V Output Voltage Range (Higher in Non-Synchronous Boost Topology) D High-Efficiency Buck, Boost, SEPIC or Flyback (Buck-Boost) Topology D Synchronous Rectification for High-Efficiency D Drives Ex

Applications

* D Synchronizable Fixed-Frequency PWM or Automatic Pulsed Frequency Modulation (PFM) Mode D Built-In Soft-Start D User Programmable Discontinuous or Continuous Conduction Mode D Selectable Pulse-by-Pulse Current Limiting or Hiccup Mode Protection TYPICAL BUCK APPLICATION VIN TPS43000 5 BUCK VIN 9

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