Datasheet Texas Instruments TPS92690PWP/NOPB — 数据表

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Design TPS92690
SLVSBK3A – DECEMBER 2012 – REVISED SEPTEMBER 2015 TPS92690 N-Channel Controller for Dimmable LED Drives With Low-Side Current Sense
1 Features 3 Description The TPS92690 device is a high-voltage, low-side
NFET controller with an adjustable output current
sense resistor voltage. Ideal for LED drivers, it
contains all of the features needed to implement
current regulators based on boost, SEPIC, flyback,
and Cuk topologies. 1 Input Voltage Range from 4.5 to 75 V
Adjustable Current Sense (50 to 500 mV)
Low-Side Current Sensing
2-О© MOSFET Gate Driver
Input Undervoltage Protection
Output Overvoltage Protection
Cycle-by-Cycle Current Limit
PWM Dimming Input
Programmable Oscillator Frequency
External Synchronization Capability …