Product details

Vin (Min) (V) 2.9 Vin (Max) (V) 6 Vout (Min) (V) 0.8 Vout (Max) (V) 6 Iout (Max) (A) 2 Iq (Typ) (uA) 18 Switching frequency (Min) (kHz) 2600 Switching frequency (Max) (kHz) 3400 Features Enable, Forced PWM, Light Load Efficiency, Output Discharge, Over Current Protection, Spread Spectrum, Synchronous Rectification, UVLO Fixed Rating Catalog Regulated outputs (#) 1 Control mode Voltage Mode Duty cycle (Max) (%) 100
Vin (Min) (V) 2.9 Vin (Max) (V) 6 Vout (Min) (V) 0.8 Vout (Max) (V) 6 Iout (Max) (A) 2 Iq (Typ) (uA) 18 Switching frequency (Min) (kHz) 2600 Switching frequency (Max) (kHz) 3400 Features Enable, Forced PWM, Light Load Efficiency, Output Discharge, Over Current Protection, Spread Spectrum, Synchronous Rectification, UVLO Fixed Rating Catalog Regulated outputs (#) 1 Control mode Voltage Mode Duty cycle (Max) (%) 100
WSON (DSG) 8 WSON (DSG) 8 4 mm² 2 x 2
  • 3-MHz Switching Frequency
  • VIN Range from 2.9 V to 6 V
  • Up to 97% Efficiency
  • Power Save Mode / 3-MHz Fixed PWM Mode
  • Power Good Output
  • Output Voltage Accuracy in PWM Mode ±1.5%
  • Output Capacitor Discharge Function
  • Typical 18 µA Quiescent Current
  • 100% Duty Cycle for Lowest Dropout
  • Voltage Positioning
  • Clock Dithering
  • -40°C to 125°C Operating Junction Temperature
  • Supports Maximum 1-mm Height Solutions
  • Available in a 2 mm x 2 mm x 0.75 mm WSON
  • 3-MHz Switching Frequency
  • VIN Range from 2.9 V to 6 V
  • Up to 97% Efficiency
  • Power Save Mode / 3-MHz Fixed PWM Mode
  • Power Good Output
  • Output Voltage Accuracy in PWM Mode ±1.5%
  • Output Capacitor Discharge Function
  • Typical 18 µA Quiescent Current
  • 100% Duty Cycle for Lowest Dropout
  • Voltage Positioning
  • Clock Dithering
  • -40°C to 125°C Operating Junction Temperature
  • Supports Maximum 1-mm Height Solutions
  • Available in a 2 mm x 2 mm x 0.75 mm WSON

The TPS6206x is a family of highly efficient synchronous step down DC/DC converters. They provide up to 2-A output current.

With an input voltage range of 2.9 V to 6 V, the device is a perfect fit for power conversion from a 5-V or 3.3-V system supply rail. The TPS6206x operates at 3-MHz fixed frequency and enters power save mode operation at light load currents to maintain high efficiency over the entire load current range. The power save mode is optimized for low output voltage ripple. For low noise applications, TPS62065 can be forced into fixed frequency PWM mode by pulling the MODE pin high. TPS62067 provides an open drain power good output.

In the shutdown mode, the current consumption is reduced to less than 1 µA and an internal circuit discharges the output capacitor.

TPS6206x family is optimized for operation with a tiny 1 µH inductor and a small 10-µF output capacitor to achieve smallest solution size and high regulation performance.

It is available in a small 2-mm × 2-mm × 0.75-mm 8-pin WSON package.

The TPS6206x is a family of highly efficient synchronous step down DC/DC converters. They provide up to 2-A output current.

With an input voltage range of 2.9 V to 6 V, the device is a perfect fit for power conversion from a 5-V or 3.3-V system supply rail. The TPS6206x operates at 3-MHz fixed frequency and enters power save mode operation at light load currents to maintain high efficiency over the entire load current range. The power save mode is optimized for low output voltage ripple. For low noise applications, TPS62065 can be forced into fixed frequency PWM mode by pulling the MODE pin high. TPS62067 provides an open drain power good output.

In the shutdown mode, the current consumption is reduced to less than 1 µA and an internal circuit discharges the output capacitor.

TPS6206x family is optimized for operation with a tiny 1 µH inductor and a small 10-µF output capacitor to achieve smallest solution size and high regulation performance.

It is available in a small 2-mm × 2-mm × 0.75-mm 8-pin WSON package.

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Technical documentation

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Type Title Date
* Data sheet TPS6206x 3-MHz, 2-A, Step-Down Converter in 2-mm × 2-mm SON Package datasheet (Rev. E) PDF | HTML 21 Oct 2020
Application note Quick Reference Guide To TI Buck Switching DC/DC Application Notes (Rev. B) PDF | HTML 23 May 2022
White paper Extending Battery Life in Smart E-Locks (Rev. A) 04 Jun 2020
Analog Design Journal Methods of output-voltage adjustment for DC/DC converters 14 Jun 2019
Technical article Minimize the impact of the MLCC shortage on your power application 29 Mar 2019
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 11 Dec 2018
Application note QFN and SON PCB Attachment (Rev. B) PDF | HTML 24 Aug 2018
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
Analog Design Journal Understanding 100% mode in low-power DC/DC converters 22 Jun 2018
Application note Optimizing Transient Response of Internally Compensated DC-DC Converters (Rev. B) 29 Nov 2017
Analog Design Journal Achieving a clean startup by using a DC/DC converter with a precise enable-pin t 24 Oct 2017
Application note Extending the Soft Start Time Without a Soft Start Pin (Rev. B) 15 Jun 2017
Analog Design Journal Testing tips for applying external power to supply outputs without an input volt 24 Oct 2016
EVM User's guide TPS62065-67EVM-347 User Guide (Rev. A) 18 Nov 2015
Application note Basic Calculation of a Buck Converter's Power Stage (Rev. B) 17 Aug 2015
Analog Design Journal Five steps to a great PCB layout for a step-down converter 29 Jan 2015
White paper Complete Wireless M-Bus Solution (Rev. B) 05 Nov 2014
Analog Design Journal Design considerations for a resistive feedback divider in a DC/DC converter 26 Apr 2012
Application note Understanding the Absolute Maximum Ratings of the SW Node (Rev. A) 13 Jan 2012
Analog Design Journal IQ: What it is, what it isn’t, and how to use it 17 Jun 2011
Application note Optimizing TPS6206x External Component Selection 14 Sep 2010

Design & development

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

Evaluation board

TPS62065-67EVM-347 — Evaluation Module for 3MHz, 2A Step-Down Converter

The TPS62065-67EVM-347 is a fully assembled and tested circuit for evaluating the TPS62065 and TPS62067 2A Step-Down Converter.
User guide: PDF
Not available on TI.com
Simulation model

TPS62065 Unencrypted PSpice Transient Model Package (Rev. B)

SLIM249B.ZIP (110 KB) - PSpice Model
Simulation model

TPS62065 TINA-TI Start-Up Reference Design

SLVM148.TSC (894 KB) - TINA-TI Reference Design
Simulation model

TPS62065 TINA-TI Steady State Reference Design

SLVM149.TSC (895 KB) - TINA-TI Reference Design
Simulation model

TPS62065 TINA-TI Transient Spice Model

SLVM150.ZIP (81 KB) - TINA-TI Spice Model
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Reference designs

TIDA-010011 — High efficiency power supply architecture reference design for protection relay processor module

This reference design showcases various power architectures for generating multiple voltage rails for an application processor module, requiring >1A load current and high efficiency . The required power supply is generated using 5-, 12- or 24-V DC input from the backplane. Power supplies are (...)
Schematic: PDF
Package Pins Download
WSON (DSG) 8 View options

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