Product details

Vin (Min) (V) 2.3 Vin (Max) (V) 6 Vout (Min) (V) 3.3 Vout (Max) (V) 3.3 Iout (Max) (A) 1.2 Iq (Typ) (uA) 6 Switching frequency (Min) (kHz) 2000 Switching frequency (Max) (kHz) 2000 Features Enable, Light Load Efficiency, Load Disconnect, Output Discharge, Over Current Protection, Power Good, Pre-Bias Start-Up, Synchronous Rectification, UVLO Fixed Operating temperature range (C) -40 to 125 Rating Catalog Regulated outputs (#) 1
Vin (Min) (V) 2.3 Vin (Max) (V) 6 Vout (Min) (V) 3.3 Vout (Max) (V) 3.3 Iout (Max) (A) 1.2 Iq (Typ) (uA) 6 Switching frequency (Min) (kHz) 2000 Switching frequency (Max) (kHz) 2000 Features Enable, Light Load Efficiency, Load Disconnect, Output Discharge, Over Current Protection, Power Good, Pre-Bias Start-Up, Synchronous Rectification, UVLO Fixed Operating temperature range (C) -40 to 125 Rating Catalog Regulated outputs (#) 1
WSON (DSG) 8 4 mm² 2 x 2
  • DCS-Control™ Architecture for Fast Transient Regulation
  • Snooze Mode for 6.5-µA Ultra Low Quiescent Current
  • 2.3-V to 6-V Input Voltage Range
  • 100% Duty Cycle for Lowest Dropout
  • Power Save Mode for Light-Load Efficiency
  • Output Discharge Function
  • Short-Circuit Protection
  • Power-Good Output
  • Thermal Shutdown
  • Available in 2-mm × 2-mm 8-Pin WSON Package
  • DCS-Control™ Architecture for Fast Transient Regulation
  • Snooze Mode for 6.5-µA Ultra Low Quiescent Current
  • 2.3-V to 6-V Input Voltage Range
  • 100% Duty Cycle for Lowest Dropout
  • Power Save Mode for Light-Load Efficiency
  • Output Discharge Function
  • Short-Circuit Protection
  • Power-Good Output
  • Thermal Shutdown
  • Available in 2-mm × 2-mm 8-Pin WSON Package

The TPS6208x devices are a family of high frequency synchronous step down converters. With an input voltage range of 2.3 V to 6 V, common battery technologies are supported. Alternatively, the device can be used for low voltage system power rails.

The TPS6208x focuses on high efficiency step-down conversion over a wide output current range. At medium to heavy loads, the converter operates in PWM mode and automatically enters Power Save Mode operation at light load currents to maintain high efficiency over the entire load current range. To maintain high efficiency at very low load or no load currents, a Snooze Mode with an ultra-low quiescent current is implemented. This function, enabled by the MODE pin, increases the run-time of battery driven applications and keeps the standby current at its lowest level to meet green energy standards targeting a low stand-by current.

To address the requirements of system power rails, the internal loop compensation allows a large selection of external output capacitor values in excess of 100 µF. With its DCS-Control™ architecture, excellent load transient performance and output voltage regulation accuracy is achieved. The device is available in 2-mm × 2-mm WSON package with Thermal PAD.

The TPS6208x devices are a family of high frequency synchronous step down converters. With an input voltage range of 2.3 V to 6 V, common battery technologies are supported. Alternatively, the device can be used for low voltage system power rails.

The TPS6208x focuses on high efficiency step-down conversion over a wide output current range. At medium to heavy loads, the converter operates in PWM mode and automatically enters Power Save Mode operation at light load currents to maintain high efficiency over the entire load current range. To maintain high efficiency at very low load or no load currents, a Snooze Mode with an ultra-low quiescent current is implemented. This function, enabled by the MODE pin, increases the run-time of battery driven applications and keeps the standby current at its lowest level to meet green energy standards targeting a low stand-by current.

To address the requirements of system power rails, the internal loop compensation allows a large selection of external output capacitor values in excess of 100 µF. With its DCS-Control™ architecture, excellent load transient performance and output voltage regulation accuracy is achieved. The device is available in 2-mm × 2-mm WSON package with Thermal PAD.

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Technical documentation

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Type Title Date
* Data sheet TPS6208x 1.2-A High-Efficiency, Step-Down Converter With DCS-Control and Snooze Mode datasheet (Rev. F) 16 Nov 2016
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) 24 Aug 2018
Analog design journal Understanding 100% mode in low-power DC/DC converters 22 Jun 2018
Analog design journal Achieving a clean startup by using a DC/DC converter with a precise enable-pin t 24 Oct 2017
Analog design journal Testing tips for applying external power to supply outputs without an input volt 24 Oct 2016
Application note TPS6208x and TLV6208x Device Comparison 04 Oct 2016
Analog design journal Understanding frequency variation in the DCS-Control(TM) topology 30 Oct 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
Analog design journal High-efficiency, low-ripple DCS-Control offers seamless PWM/pwr-save transitions 25 Jul 2013
Application note How to Measure the Control Loop of DCS-Control Devices (Rev. A) 09 Aug 2012
Application note Understanding the Absolute Maximum Ratings of the SW Node (Rev. A) 13 Jan 2012
Application note Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs 19 Sep 2011
Analog design journal IQ: What it is, what it isn’t, and how to use it 17 Jun 2011

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