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TPS53211

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1.5-V to 19-V, single phase PWM buck controller with light-load efficiency

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Data sheet

TPS53211

ACTIVE
Data sheet Order now

Product details

Vin (min) (V) 4.5 Vin (max) (V) 14 Iout (max) (A) 20 Operating temperature range (°C) -40 to 85 Control mode Voltage mode Topology Buck Rating Catalog Vout (min) (V) 0.8 Vout (max) (V) 9.8 Features Enable, Light Load Efficiency, Power good, Pre-Bias Start-Up, Synchronous Rectification Iq (typ) (µA) 400 Duty cycle (max) (%) 70 Number of phases 1
Vin (min) (V) 4.5 Vin (max) (V) 14 Iout (max) (A) 20 Operating temperature range (°C) -40 to 85 Control mode Voltage mode Topology Buck Rating Catalog Vout (min) (V) 0.8 Vout (max) (V) 9.8 Features Enable, Light Load Efficiency, Power good, Pre-Bias Start-Up, Synchronous Rectification Iq (typ) (µA) 400 Duty cycle (max) (%) 70 Number of phases 1
VQFN (RGT) 16 9 mm² 3 x 3
  • 1.5-V to 19-V Conversion Voltage Range
  • 4.5-V to 14-V Supply Voltage Range
  • Voltage Mode Control
  • Skip Mode at Light Load for Efficiency Optimization
  • High Precision 0.5% Internal 0.8-V Reference
  • Adjustable Output Voltage from 0.8 V to 0.7×VIN
  • Internal Soft-Start
  • Supports Pre-biased Startup
  • Supports Soft-Stop
  • Programmable Switching Frequency from
    250 kHz to 1 MHz
  • Overcurrent Protection
  • Inductor DCR Sensing for Overcurrent
  • RDS(on) Sensing for Zero Current Detection
  • Overvoltage and Undervoltage Protection
  • Open Drain Power Good Indication
  • Internal Bootstrap Switch
  • Integrated High-Current Drivers Powered by VCCDR
  • Small 3 mm x 3 mm, 16-Pin QFN Package
  • 1.5-V to 19-V Conversion Voltage Range
  • 4.5-V to 14-V Supply Voltage Range
  • Voltage Mode Control
  • Skip Mode at Light Load for Efficiency Optimization
  • High Precision 0.5% Internal 0.8-V Reference
  • Adjustable Output Voltage from 0.8 V to 0.7×VIN
  • Internal Soft-Start
  • Supports Pre-biased Startup
  • Supports Soft-Stop
  • Programmable Switching Frequency from
    250 kHz to 1 MHz
  • Overcurrent Protection
  • Inductor DCR Sensing for Overcurrent
  • RDS(on) Sensing for Zero Current Detection
  • Overvoltage and Undervoltage Protection
  • Open Drain Power Good Indication
  • Internal Bootstrap Switch
  • Integrated High-Current Drivers Powered by VCCDR
  • Small 3 mm x 3 mm, 16-Pin QFN Package

TPS53211 is a single phase PWM controller with integrated high-current drivers. It is used for 1.5 V up to 19 V conversion voltage.

TPS53211 features a skip mode solution that optimizes the efficiency at light load condition without compromising the output voltage ripple. The device provides pre-biased startup, soft-stop, integrated bootstrap switch, power good function, EN/Input UVLO protection. It supports conversion voltages up to 19 V, and output voltages adjustable from 0.8 V to 0.7×VIN.

The TPS53211 is available in the 3 mm × 3 mm, 16-pin, QFN package (Green RoHs compliant and Pb free) and is specified from –40°C to 85°C.

TPS53211 is a single phase PWM controller with integrated high-current drivers. It is used for 1.5 V up to 19 V conversion voltage.

TPS53211 features a skip mode solution that optimizes the efficiency at light load condition without compromising the output voltage ripple. The device provides pre-biased startup, soft-stop, integrated bootstrap switch, power good function, EN/Input UVLO protection. It supports conversion voltages up to 19 V, and output voltages adjustable from 0.8 V to 0.7×VIN.

The TPS53211 is available in the 3 mm × 3 mm, 16-pin, QFN package (Green RoHs compliant and Pb free) and is specified from –40°C to 85°C.
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Technical documentation

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Type Title Date
* Data sheet Single Phase PWM Controller with Light-Load Efficiency Optimization datasheet (Rev. A) 17 Sep 2012
Application note MOSFET Selection with the TPS53211 PDF | HTML 16 Dec 2022
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018

Design & development

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Simulation model

TPS53211 Unencrypted PSpice Transient Model Package (Rev. A)

SLUM212A.ZIP (51 KB) - PSpice Model
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Package Pins CAD symbols, footprints & 3D models
VQFN (RGT) 16 Ultra Librarian
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