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Buck converters (integrated switch)

TLV62568

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2.5V-5.5V input, 1A high efficiency step-down buck converter in SOT23 and SOT563 package

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Data sheet

A newer version of this product is available

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TPS62A01A ACTIVE 2.5-V to 5.5-V input, 1-A output step-down converter with forced pulse-width modulation Higher output voltage accuracy alternative with output discharge.

TLV62568

ACTIVE
Data sheet Order now

Product details

Vin (min) (V) 2.5 Vin (max) (V) 5.5 Vout (min) (V) 0.6 Vout (max) (V) 5.5 Iout (max) (A) 1 Iq (typ) (mA) 0.035 Switching frequency (min) (kHz) 1500 Switching frequency (max) (kHz) 1500 Features Enable, Light Load Efficiency, Light load efficiency, Power good, Synchronous Rectification Operating temperature range (°C) -40 to 125 Rating Catalog Regulated outputs (#) 1 Control mode COT Duty cycle (max) (%) 100 Type Converter
Vin (min) (V) 2.5 Vin (max) (V) 5.5 Vout (min) (V) 0.6 Vout (max) (V) 5.5 Iout (max) (A) 1 Iq (typ) (mA) 0.035 Switching frequency (min) (kHz) 1500 Switching frequency (max) (kHz) 1500 Features Enable, Light Load Efficiency, Light load efficiency, Power good, Synchronous Rectification Operating temperature range (°C) -40 to 125 Rating Catalog Regulated outputs (#) 1 Control mode COT Duty cycle (max) (%) 100 Type Converter
SOT-23 (DBV) 5 8.12 mm² 2.9 x 2.8 SOT-23-THN (DDC) 6 8.12 mm² 2.9 x 2.8 SOT-5X3 (DRL) 6 2.56 mm² 1.6 x 1.6
  • Up to 95% Efficiency
  • Low RDS(ON) Switches 150 mΩ / 100 mΩ
  • 2.5-V to 5.5-V Input Voltage Range
  • Adjustable Output Voltage from 0.6 V to VIN
  • Power Save Mode for Light Load Efficiency
  • 100% Duty Cycle for Lowest Dropout
  • 35-µA Operating Quiescent Current
  • 1.5-MHz Switching Frequency
  • Power Good Output
  • Over Current Protection
  • Internal Soft Startup
  • Thermal Shutdown Protection
  • Available in SOT Package
  • Pin-to-Pin Compatible with TLV62569
  • Create a Custom Design Using the TLV62568 With the WEBENCH® Power Designer
  • Up to 95% Efficiency
  • Low RDS(ON) Switches 150 mΩ / 100 mΩ
  • 2.5-V to 5.5-V Input Voltage Range
  • Adjustable Output Voltage from 0.6 V to VIN
  • Power Save Mode for Light Load Efficiency
  • 100% Duty Cycle for Lowest Dropout
  • 35-µA Operating Quiescent Current
  • 1.5-MHz Switching Frequency
  • Power Good Output
  • Over Current Protection
  • Internal Soft Startup
  • Thermal Shutdown Protection
  • Available in SOT Package
  • Pin-to-Pin Compatible with TLV62569
  • Create a Custom Design Using the TLV62568 With the WEBENCH® Power Designer

The TLV62568 device is a synchronous step-down buck DC-DC converter optimized for high efficiency and compact solution size. The device integrates switches capable of delivering an output current up to 1 A.

At medium to heavy loads, the device operates in pulse width modulation (PWM) mode with 1.5-MHz switching frequency. At light load, the device automatically enters Power Save Mode (PSM) to maintain high efficiency over the entire load current range. In shutdown, the current consumption is reduced to less than 2 µA.

The TLV62568 provides an adjustable output voltage via an external resistor divider. An internal soft start circuit limits the inrush current during startup. Other features like over current protection, thermal shutdown protection and power good are built-in. The device is available in a SOT23 and SOT563 package.

The TLV62568 device is a synchronous step-down buck DC-DC converter optimized for high efficiency and compact solution size. The device integrates switches capable of delivering an output current up to 1 A.

At medium to heavy loads, the device operates in pulse width modulation (PWM) mode with 1.5-MHz switching frequency. At light load, the device automatically enters Power Save Mode (PSM) to maintain high efficiency over the entire load current range. In shutdown, the current consumption is reduced to less than 2 µA.

The TLV62568 provides an adjustable output voltage via an external resistor divider. An internal soft start circuit limits the inrush current during startup. Other features like over current protection, thermal shutdown protection and power good are built-in. The device is available in a SOT23 and SOT563 package.

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TPS62822 ACTIVE 2.4-V to 5.5-V input, 2-A step-down converter with 1% accuracy in 1.5-mm x 2-mm VSON-HR package Converter with higher output voltage accuracy.
Similar functionality to the compared device
TLV62569 ACTIVE 2.5V-5.5V input, 2-A high efficiency step-down buck converter in SOT23 and SOT563 package Pin-compatible converter with higher ouput current (2 A).
TLV62585 ACTIVE 2.5V-5.5V input, 3-A high efficiency step-down converter in 2x2 QFN or SOT563 package 2.5 to 5.5-Vin, 3-A converter in 2-mm x 2-mm QFN or SOT563 package.

Technical documentation

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Type Title Date
* Data sheet TLV62568 1-A High Efficiency Synchronous Buck Converter in SOT Package datasheet (Rev. B) PDF | HTML 14 Nov 2017
Design guide High-Efficiency 24-VAC to 5-V, 3.3-V Ref Design With Battery Backup and Charging PDF | HTML 30 Jun 2023
Application note Quick Reference Guide To TI Buck Switching DC/DC Application Notes (Rev. B) PDF | HTML 23 May 2022
Application note Thermal Comparison of a DC-DC Converter in SOT23 and the New SOT563 (Rev. A) PDF | HTML 28 Oct 2021
Application note Extend Battery Life with <100 nA IQ Buck Converter Achieving <150 µV Voltage Rip (Rev. A) PDF | HTML 07 May 2021
Selection guide Buck Converter Quick Reference Guide (Rev. B) 08 Apr 2021
Analog Design Journal Methods of output-voltage adjustment for DC/DC converters 14 Jun 2019
Technical article How a small SOT563 DC/DC converter supplies multirail power in industrial applicat PDF | HTML 21 Jan 2019
Analog Design Journal Understanding 100% mode in low-power DC/DC converters 22 Jun 2018
Technical article How to manage processor power during uncontrolled power off PDF | HTML 21 Jun 2018
EVM User's guide TLV62568PEVM-860, TLV62568APEVM-860 and TLV62569PEVM-860, TLV62569APEVM-860 EVMs (Rev. A) 12 Apr 2018
Analog Design Journal Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold 24 Oct 2017
Analog Design Journal Testing tips for applying external power to supply outputs without an input voltage 24 Oct 2016

Design & development

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

Evaluation board

TLV62568EVM-789 — Evaluation Module for TLV62568, a 5.5-V Input, 1-A Output, High Efficiency Step-Down Converter

The TLV62568EVM-789 evaluation module (EVM) is designed to help the user easily evaluate and test the operation and functionality of the TLV62568DBV step-down buck converter. The EVM converts a 2.5-V to 5.5-V input voltage to a regulated output voltage of 1.8 V at up to 1-A output current. The (...)

User guide: PDF
Not available on TI.com
Evaluation board

TLV62568PEVM-860 — TLV62568PDRL 5.5V Input, 1A Output, High Efficiency Step-Down Converter Evaluation Module

The TLV62568PEVM-860 evaluation module (EVM) is designed to help the user easily evaluate and test the operation and functionality of the TLV62568PDRL step-down buck converter. The EVM converts a 2.5-V to 5.5-V input voltage to a regulated output voltage of 1.8 V at up to 1-A output current. The (...)

User guide: PDF
Not available on TI.com
Evaluation board

TLV62568PEVM-884 — TLV62568 5.5V Input, 1A Output High Efficiency Step-down Buck Converter Evaluation Module

The TLV62568PEVM-884 evaluation module (EVM) is designed to help the user easily evaluate and test the operation and functionality of the TLV62568PDDC step-down buck converter. The EVM converts a 2.5-V to 5.5-V input voltage to a regulated output voltage of 1.8 V at up to 1-A output current. The (...)

User guide: PDF
Not available on TI.com
Simulation model

TLV62568 PSpice Unencrypted Transient Model (Rev. B)

SLVMBV4B.ZIP (51 KB) - PSpice Model
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Simulation model

TLV62568P PSpice Average Model

SLVMDJ5.ZIP (100 KB) - PSpice Model
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Simulation model

TLV62568P PSpice Unencrypted Transient Model (Rev. A)

SLVMC68A.ZIP (80 KB) - PSpice Model
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Calculation tool

SLVC780 — Design Tool for Output Voltage Adjustment Using a DAC

Calculator tool to adjust the power supply's output voltage with an analog input voltage
Supported products & hardware

Supported products & hardware

Products
Buck converters (integrated switch)
TLV62065 — 3MHz 2A Step Down Converter in 2x2 SON Package TLV62080 — 1.2A High Efficient Step Down Converter in 2x2mm SON Package TLV62084 — 2A High Efficient Step Down Converter in 2x2mm SON Package TLV62084A — 2A High Efficient Step Down Converter in 2x2mm SON Package TLV62085 — 3-A High Efficiency Step-Down Converter in 2x2 QFN TLV62090 — 3A High Efficiency Step Down Converter in 3x3mm QFN Package TLV62095 — 4A Synchronous Step Down Converter with DCS Control TLV62130 — 3-17V 3A Step-Down Converter in 3x3 QFN Package TLV62130A — 3-17V 3A Step-Down Converter with DCS-Control in 3x3 QFN Package TLV62150 — 4-17V 1A Step-Down Converter with DCS-Control™ TLV62150A — 4-17V, 1A STEP-DOWN CONVERTER with DCS-Control in 3x3 QFN Package TLV62565 — 1.5A Buck Converter in SOT23 Package TLV62566 — 1.5A Buck Converter with Power Good, in SOT23 Package TLV62568 — 2.5V-5.5V input, 1A high efficiency step-down buck converter in SOT23 and SOT563 package TLV62568A — 2.5V-5.5V input, 1A high efficiency step-down buck converter with forced PWM in small SOT563 package TLV62569 — 2.5V-5.5V input, 2-A high efficiency step-down buck converter in SOT23 and SOT563 package TLV62569A — 2A High Efficiency Step-down Buck Converter with forced PWM in SOT Package TLV62585 — 2.5V-5.5V input, 3-A high efficiency step-down converter in 2x2 QFN or SOT563 package TPS62000 — Adjustable, 600-mA, 95% Efficient Step-Down Converter TPS62000-HT — High Temperature High-Efficiency Step-Down Low Power DC-DC Converter TPS62020 — Adjustable, 600-mA, 95% Efficient Step-Down Converter, 18uA, MSOP-10 TPS62040 — Adjustable, 1.2-A, 95% efficient step-down converter, 18 uA, MSOP-10 and QFN TPS62050 — Adjustable, 800-mA, 10V Vin, 95% Efficient Step-Down Converter in MSOP-10 TPS62056 — 3.3-V Output, 800-mA, 10V Vin, 95% Efficient Step-Down Converter in MSOP-10 TPS62060 — 3MHz, 1.6A Step-Down Converter in 2x2 SON Package TPS62065 — 3MHz, 2A Step-Down Converter in 2x2 SON Package TPS62065-Q1 — 3MHz, 2A Automotive Step-Down Converter in 2x2 SON Package TPS62067 — 3MHz, 2A Step-Down Converter in 2x2 SON Package TPS62067-Q1 — Automotive 3-MHz 2-A step-down converter in 2×2 SON package TPS62080 — 1.2A High Efficient Step Down Converter in 2x2mm SON Package, with Adjustable Vout TPS62080A — 1.2A High Efficient Step Down Converter in 2x2mm SON Package TPS62085 — 3-A Step-Down Converter with DCS-Control and Hiccup Short Circuit Protection in 2x2 HotRod Package TPS62088 — 2.4-V to 5.5-V input, tiny 6-pin 3-A step-down converter in 1.2-mm x 0.8-mm WCSP TPS62090 — 3A, 6V input, up to 97% efficiency, Synchronous Step Down Converter with DCS™ Control TPS62090-Q1 — Automotive: 3A, 2.5 to 6V input, up to 97% efficiency, 3x3 QFN, Step-Down Converter TPS62095 — 4A Synchronous Step Down Converter with DCS Control TPS62097 — 2-A Step Down Converter with Selectable Switching Frequency in HotRod package TPS62097-Q1 — 2A Automotive Step-Down Converter in 3x3 QFN With Wettable Flanks TPS62100 — Multimode 300kHz Synchronous Buck Converter with Adjustable Output TPS62110 — Adjustable, 1.5-A, 17-V Vin Step-Down Converter in QFN-16 TPS62110-EP — Enhanced Product 17 V, 1.5 A Synchronous Step-Down Converter TPS62110-HT — High Temperature 17-V, 1.5-A, Synchronous Step-Down Converter TPS62110-Q1 — Automotive 3V to 17V, 1.5A Buck Converter in QFN-16 package TPS62113 — 1.5-A, 17-Vin Step-Down Converter with LBI function in QFN-16 TPS62120 — 15V, 75mA, 96% efficiency Step-Down Converter with DCS-Control TPS62122 — 15V, 75mA, 96% efficiency Step-Down Converter TPS62125 — 3V-17V, 300mA Buck Converter With Adjustable Enable Threshold And Hysteresis TPS62130 — 3-17V 3A Step-Down Converter with DCS-Control in 3x3 QFN Package TPS62130A — 3-V to 17-V, 3-A step-down converter with DCS-control in 3x3 QFN package TPS62130A-Q1 — TPS62130A-Q1 3 to 17-V 3-A Automotive Step-Down Converter in 3 × 3 QFN Package TPS62135 — 3-17V 4.0A Step-Down Converter with 1% accuracy and PFM/Forced-PWM in 2x3QFN TPS62136 — 3-17V 4.0A Step-Down Converter with 1% accuracy and PFM/Forced-PWM in 2x3QFN TPS62140 — 3–17V 2A Step-Down Converter with DCS-Control in 3x3 QFN package TPS62140A — 3–17V 2A Step-Down Converter with DCS-Control in 3x3 QFN package TPS62147 — 3-17V 2.0A Step-Down Converter with 1% accuracy and PFM/Forced-PWM in 2x3QFN TPS62148 — 3-17V 2.0A Step-Down Converter with 1% accuracy and PFM/Forced-PWM in 2x3QFN TPS62150 — 3–17V 1A Step-Down Converter with DCS-Control in 3x3 QFN package TPS62150A — 3-17V 1A 3MHz Step-Down Converter with DCS-Control in 3x3 QFN Package TPS62150A-Q1 — TPS62150A-Q1 3 to 17-V 1-A AUTOMOTIVE Step-Down Converter in 3 × 3 QFN Package TPS62160 — 3V-17V 1A Step-Down Converters with DCS-Control™ TPS62160-Q1 — 3V-17V 1A Automotive Step-Down Converters in 2x2SON TPS62170 — 3–17V 0.5A Step-Down Converter with DCS-Control in 2x2 QFN package TPS62170-Q1 — 3-17V 0.5A Automotive Step-Down Converter in 2x2 QFN package TPS62175 — 28V, 0.5A Step-Down Converter with SNOOZE Mode TPS62180 — 4-V to 15-V, 6-A synchronous buck converter with power good, 1% accuracy, and adjustable soft start TPS62184 — 4-V to 17-V, 6-A synchronous buck converter with power good, 1% accuracy, and adjustable soft start TPS62200 — Adjustable, 300-mA, 95% Efficient Step-Down Converter in SOT-23 TPS62220 — Adjustable, 400-mA, 95% Efficient Step-Down Converter, 15uA, ThinSOT-23 TPS62240 — 2.25MHz 300mA Step-Down Converter in 2x2mm SON/TSOT23 Package TPS62250 — 2.25MHz, 1A Peak Current Limited Step-Down Converter TPS62260 — 2.25MHz 600mA Step-Down Converter in 2x2mm SON/TSOT23 Package TPS62260-Q1 — Automotive 2V to 6V, 2.25MHz Fixed Frequency 600mA Buck Converter in 2x2mm SON/TSOT23 Package TPS62290 — 2.25MHz 1A Step-Down Converter in 2x2mm SON Package TPS62290-Q1 — Automotive 2.3V to 6V, 2.25MHz Fixed Frequency 1A Buck Converter in 2x2mm SON/TSOT23 Package TPS62400 — Dual, Adjustable, 400mA and 600mA, 2.25MHz Step-Down Converter with 1-Wire Interface in QFN TPS62400-Q1 — Automotive Catalog Dual, Adjustable, 400mA & 600mA, 2.25MHz Step-Down Converter w/ 1-Wire Interface TPS62410 — 2.25MHZ 2x800mA Dual Step-Down Converter with 1-Wire Interface in QFN TPS62410-Q1 — Automotive 2.5V to 6V, 2.25MHz Fixed Frequency Dual (800mA/800mA) Buck Converter TPS62420 — Dual, Adjustable, 600mA and 1000mA, 2.25MHz Step-Down Converter with 1-Wire Interface in QFN TPS62420-Q1 — Automotive 2.5V to 6V, 2.25MHz Fixed Frequency Dual (1A/600mA) Buck Converter with 1-Wire Interface TPS62480 — 6A, 2.4V-5.5V input, Synchronous step-down converter with PG Output, Adjust. Soft-start and Optional TPS62510 — Adjustable, 96% Efficiency, 1.5A Buck Converter for low input voltages TPS62560 — 2.25MHz 600mA Step-Down Converter in 2x2mm SON Package TPS62561 — 2.25MHz 600mA Step-Down Converter in TSOT23 Package TPS62590 — 2.25MHz, 1A Step-Down Converter in 2 x 2 SON Package TPS62590-Q1 — Automotive 2.5V to 6V, 2.25MHz Fixed Frequency 1A Buck Converter in 2x2mm SON Package TPS62750 — 2.25MHz, Step-Down Converter w/ Programmable Input Current Limits for USB powered Applications TPS62751 — 2.25MHz, Step-Down Converter w/ Programmble Input Current Limits for USB powered Applications TPS62770 — Tiny Single-chip Dual Solution with 360nA Iq Buck and up to 15V Boost in WCSP TPS62810-Q1 — Automotive 2.75-V to 6-V, 4-A step-down converter in a 2mm x 3mm wettable-flanks QFN package TPS62810M — 2.75-V to 6-V, 4-A step-down converter in a 2-mm x 3-mm QFN package with -55C extended temperature TPS62821 — 2.4-V to 5.5-V input, 1-A step-down converter with 1% accuracy in 1.5-mm x 2-mm VSON-HR package TPS62822 — 2.4-V to 5.5-V input, 2-A step-down converter with 1% accuracy in 1.5-mm x 2-mm VSON-HR package TPS62823 — 2.4-V to 5.5-V input, 3-A step-down converter with 1% accuracy in 1.5-mm x 2-mm VSON-HR package TPS62825 — 2.4-V to 5.5-V input, 2-A step-down converter with 1% accuracy in 1.5-mm x 1.5-mm QFN TPS62826 — 2.4-V-5.5-V input, 3-A step-down converter with 1% accuracy in 1.5-mm x 1.5-mm VSON-HR package TPS62827 — 2.5-V to 5.5-V input, 4-A step-down converter with 1% accuracy in 1.5-mm x 1.5-mm QFN
Buck modules (integrated inductor)
TPS82084 — 2-A, High-efficiency step-down converter module with integrated inductor TPS82085 — 3A, High-Efficiency Step-Down Converter Module with Integrated Inductor TPS82130 — 17-V input 3-A step-down converter module with integrated inductor TPS82140 — 17V Input 2A Synchronous Step-Down Converter MicroSiP™ Module With Integrated Inductor TPS82150 — 17V Input 1A Synchronous Step-Down Converter MicroSiP™ Module With Integrated Inductor TPSM82810 — 2.75-V to 6-V, 4-A step-down module with adjustable-frequency & tracking in 3 x 4-mm μSIP package TPSM82813 — 2.75-V to 6-V, 3-A step-down module with adjustable-frequency & tracking in 3 x 4-mm μSIP package TPSM82821 — 5.5-V input, 1-A step-down module with integrated inductor in 2 x 2.5 x 1.1-mm μSIP package TPSM82822 — 5.5-V input, 2-A step-down module with integrated inductor in 2 x 2.5 x 1.1-mm μSIP package
Precision DACs (≤10 MSPS)
DAC43401 — 8-bit 1-channel voltage-output smart DAC with Hi-Z, EEPROM, waveform generator and comparator DAC43608 — 8-bit, 8-channel, I2C, voltage-output DAC in tiny QFN package DAC53401 — 10-bit 1-channel voltage-output smart DAC with Hi-Z, EEPROM, waveform generator and comparator DAC53608 — 10-Bit, 8-channel, I2C, voltage output DAC in tiny QFN package
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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 (...)
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Package Pins Download
SOT-23 (DBV) 5 View options
SOT-23-THN (DDC) 6 View options
SOT-5X3 (DRL) 6 View options
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