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TPS5401

Texas Instruments
Part Number TPS5401
Manufacturer Texas Instruments
Description Step-Down Converter
Published Mar 6, 2020
Detailed Description Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS5401 SLVSAB0B – DECEMBER 20...
Datasheet PDF File TPS5401 PDF File

TPS5401
TPS5401

Overview
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS5401 SLVSAB0B – DECEMBER 2010 – REVISED NOVEMBER 2014 TPS5401 0.
5-A, 42-V Input, Step-Down Converter 1 Features •1 3.
5-V to 42-V Input Voltage Range • 200-mΩ High-Side MOSFET • High Efficiency at Light Loads With a Pulse- Skipping Eco-mode™ Control Scheme • 116-μA Operating Quiescent Current • 1.
3-μA Shutdown Current • 100-kHz to 2.
5-MHz Switching Frequency • Synchronizes to External Clock • Adjustable Slow Start/Sequencing • UV and OV Power-Good Output • Adjustable UVLO Voltage and Hysteresis • 0.
8-V ±3.
5% Internal Voltage Reference • MSOP10 With PowerPAD™ Package • Supported by WEBENCH 2 Applications • 12-V and 24-V Industrial and Commercial LowPower Systems • E-Meters Simplified Schematic VIN CIN VIN PWRGD TPS5401 EN SS/TR RT/CLK BOOT PH CBOOT LOUT COUT RT R3 COMP VSENSE CSS C2 C1 GND VOUT R1 R2 3 Description The TPS5401 device is a 42-V, 0.
5-A, step-down regulator with an integrated high-side MOSFET.
Current-mode control provides simple external compensation and flexible component selection.
A low-ripple pulse-skip mode reduces the supply current to 116 μA when outputting regulated voltage with no load.
Using the enable pin, shutdown supply current is reduced to 1.
3 μA when the enable pin is low.
Undervoltage lockout is internally set at 2.
5 V, but can be increased using the enable pin.
The output voltage start-up ramp is controlled by the slow-start pin that can also be configured for sequencing/tracking.
An open-drain power-good signal indicates the output is within 94% to 107% of its nominal voltage.
A wide switching-frequency range allows efficiency and external component size optimization.
Frequency foldback and thermal shutdown protect the part during an overload condition.
The TPS5401 is available in a 10-pin thermally enhanced MSOP PowerPAD package.
Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPS5401 MSOP (10) 3.
00 mm × 3.
00 mm...


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