Datasheet Texas Instruments TPS92001DR — Ficha de datos

TPS92001, TPS92002
www.ti.com SLUSA24A – FEBRUARY 2010 – REVISED NOVEMBER 2010 GENERAL PURPOSE LED LIGHTING PWM CONTROLLER
Check for Samples: TPS92001, TPS92002 FEATURES DESCRIPTION The TPS92001/2 family of general LED lighting PWM
controllers contains control and drive circuitry
required for off-line isolated or non-isolated LED
lighting applications. 1 Ideal for Single Stage Designs
Supports Isolated and Non-Isolated
Topologies
Phase-Cut TRIAC Dimmable
Few External Components Mode Operation
Wide Duty Cycle Range for Wide-Input Voltage
or Dimming Range
Convenient 5-V Reference Output
Undervoltage Lockout for Safe Operation
Operation to 1-MHz
0.4-A Source/0.8-A Sink FET Driver
Low 100-ВµA Startup Current The controllers can support Phase Cut TRIAC
dimming with minimal external components. The
controllers can also be implemented for stage
conversion where the power factor (PF) exceeds
regulatory requirements for lighting. These controllers
also have an accessible 5-V reference that could be
used to power a microcontroller or other low power …