Datasheet Texas Instruments LM5166DRCR — 数据表

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Design LM5166
SNVSA67B – DECEMBER 2016 – REVISED JUNE 2017 LM5166 3-V to 65-V Input, 500-mA Synchronous Buck Converter With Ultra-Low IQ
1 Features 3 Description The LM5166 is a compact, easy-to-use, 3-V to 65-V,
ultra-low IQ synchronous buck converter with high
efficiency over wide input voltage and load current
ranges. With integrated high-side and low-side power
MOSFETs, up to 500 mA of output current can be
delivered at fixed output voltages of 3.3 V or 5 V, or
an adjustable output. The converter is designed to
simplify implementation while providing options to
optimize the performance for the target application.
Pulse frequency modulation (PFM) mode is selected
for optimal light-load efficiency or constant on-time
(COT) control for nearly constant operating
frequency. Both control schemes do not require loop
compensation while providing excellent line and load
transient response and short PWM on-time for large …