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TPS53211

AKTIV

Einphasiger 1,5-V- bis 19-V-PWM-Controller mit Optimierung des Wirkungsgrads bei geringer Last

Produktdetails

Rating Catalog Topology Buck Iout (max) (A) 20 Vin (max) (V) 14 Vin (min) (V) 4.5 Vout (max) (V) 9.8 Vout (min) (V) 0.8 Control mode Voltage mode Features Enable, Light-load efficiency, Power good, Prebias startup, Synchronous rectification Duty cycle (max) (%) 70 Iq (typ) (A) 0.0004 Number of phases 1 Operating temperature range (°C) -40 to 85
Rating Catalog Topology Buck Iout (max) (A) 20 Vin (max) (V) 14 Vin (min) (V) 4.5 Vout (max) (V) 9.8 Vout (min) (V) 0.8 Control mode Voltage mode Features Enable, Light-load efficiency, Power good, Prebias startup, Synchronous rectification Duty cycle (max) (%) 70 Iq (typ) (A) 0.0004 Number of phases 1 Operating temperature range (°C) -40 to 85
VQFN (RGT) 16 9 mm² (3 mm × 3 mm)
  • 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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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt Single Phase PWM Controller with Light-Load Efficiency Optimization datasheet (Rev. A) 17.09.2012
Anwendungshinweis MOSFET Selection with the TPS53211 PDF | HTML 16.12.2022
Auswahlhilfe Power Management Guide 2018 (Rev. R) 25.06.2018

Design und Entwicklung

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Simulationsmodell

TPS53211 Unencrypted PSpice Transient Model Package (Rev. A)

SLUM212A.ZIP (51 KB) - PSpice-Modell
Unterstützte Produkte und Hardware
Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
VQFN (RGT) 16 Ultra Librarian

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