TPS51211

ACTIVE

4.5-V to 28-V, synchronous buck controller for notebook power

Product details

Vin (min) (V) 3 Vin (max) (V) 28 Iout (max) (A) 18 Operating temperature range (°C) -40 to 85 Control mode D-CAP Topology Buck Rating Catalog Vout (min) (V) 0.7 Vout (max) (V) 2.6 Features Enable, Light Load Efficiency, Power good, Synchronous Rectification Iq (typ) (µA) 300 Duty cycle (max) (%) 90 Number of phases 1
Vin (min) (V) 3 Vin (max) (V) 28 Iout (max) (A) 18 Operating temperature range (°C) -40 to 85 Control mode D-CAP Topology Buck Rating Catalog Vout (min) (V) 0.7 Vout (max) (V) 2.6 Features Enable, Light Load Efficiency, Power good, Synchronous Rectification Iq (typ) (µA) 300 Duty cycle (max) (%) 90 Number of phases 1
WSON (DSC) 10 9 mm² 3 x 3
  • Wide Input Voltage Range: 3 V to 28 V
  • Output Voltage Range: 0.7 V to 2.6 V
  • Wide Output Load Range: 0 to 20 A+
  • Built-In 0.5% 0.7 V Reference
  • 290-kHz, Adaptive On-Time D-CAP™ MODE Control
  • 4700 ppm/°C RDS(on) Current Sensing
  • Internal 1-ms Voltage Servo Soft-Start
  • Pre-Charged Start-Up Capability
  • Built-In Output Discharge
  • Power Good Output
  • Integrated Boost Switch
  • Built-In OVP/UVP/OCP
  • Thermal Shutdown (Non-latch)
  • SON-10 (DSC) Package
  • Wide Input Voltage Range: 3 V to 28 V
  • Output Voltage Range: 0.7 V to 2.6 V
  • Wide Output Load Range: 0 to 20 A+
  • Built-In 0.5% 0.7 V Reference
  • 290-kHz, Adaptive On-Time D-CAP™ MODE Control
  • 4700 ppm/°C RDS(on) Current Sensing
  • Internal 1-ms Voltage Servo Soft-Start
  • Pre-Charged Start-Up Capability
  • Built-In Output Discharge
  • Power Good Output
  • Integrated Boost Switch
  • Built-In OVP/UVP/OCP
  • Thermal Shutdown (Non-latch)
  • SON-10 (DSC) Package

The TPS51211 is a small-sized single buck controller with adaptive on-time D-CAP™ Mode. The device is suitable for low output voltage, high current, PC system power rail and similar point-of-load (POL) power supply in digital consumer products. A small package with minimal pin-count saves space on the PCB, while a dedicated EN pin and pre-set frequency minimize design effort required for new designs. The skip-mode at light load condition, strong gate drivers and low-side FET RDS(on) current sensing supports low-loss and high efficiency, over a broad load range. The conversion input voltage which is the high-side FET drain voltage ranges from 3 V to 28 V and the output voltage ranges from 0.7 V to 2.6 V. The device requires an external 5-V supply. The TPS51211 is available in a 10-pin SON package specified from –40°C to 85°C.

The TPS51211 is a small-sized single buck controller with adaptive on-time D-CAP™ Mode. The device is suitable for low output voltage, high current, PC system power rail and similar point-of-load (POL) power supply in digital consumer products. A small package with minimal pin-count saves space on the PCB, while a dedicated EN pin and pre-set frequency minimize design effort required for new designs. The skip-mode at light load condition, strong gate drivers and low-side FET RDS(on) current sensing supports low-loss and high efficiency, over a broad load range. The conversion input voltage which is the high-side FET drain voltage ranges from 3 V to 28 V and the output voltage ranges from 0.7 V to 2.6 V. The device requires an external 5-V supply. The TPS51211 is available in a 10-pin SON package specified from –40°C to 85°C.

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Technical documentation

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* Data sheet High-Performance, Single Synchronous Step-Down Controller datasheet (Rev. B) 14 May 2013

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Simulation model

TPS51211 TINA-TI Transient Reference Design

SLUM241.TSC (203 KB) - TINA-TI Reference Design
Simulation model

TPS51211 TINA-TI Transient Spice Model

SLUM242.ZIP (39 KB) - TINA-TI Spice Model
Simulation model

TPS51211 Unencrypted PSpice Transient Model Package (Rev. A)

SLUM142A.ZIP (47 KB) - PSpice Model
Package Pins CAD symbols, footprints & 3D models
WSON (DSC) 10 Ultra Librarian

Ordering & quality

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