Datasheet Texas Instruments TPS57140MDRCREP — 数据表

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SLVSD01A – SEPTEMBER 2015 – REVISED SEPTEMBER 2015 TPS57140-EP 1.5-A 42-V Step-Down Swift™ DC-DC Converter With Eco-mode™ Control
1 Features 2 Applications 1 3.5-V to 42-V Input Voltage Range
200-mΩ High-Side MOSFET
High Efficiency at Light Loads With PulseSkipping Eco-modeв„ў Control Scheme
116-ОјA Operating Quiescent Current
1.5-ОјA Shutdown Current
100-kHz to 2.5-MHz Switching Frequency
Synchronizes to External Clock
Adjustable Slow Start and Sequencing
Undervoltage and Overvoltage Power-Good
Output
Adjustable Undervoltage Lockout (UVLO) Voltage
and Hysteresis
0.8-V Internal Voltage Reference
Supported by SwitcherProв„ў Software Tool
(http://focus.ti.com/docs/toolsw/folders/print/switch
erpro.html) …