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TLV62569

ACTIVE

2.5V-5.5V input, 2-A high efficiency step-down buck converter in SOT23 and SOT563 package

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Data sheet
2.5V-5.5V input, 2-A high efficiency step-down buck converter in SOT23 and SOT563 package

TLV62569

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) 2 Iq (Typ) (uA) 35 Switching frequency (Min) (kHz) 1500 Switching frequency (Max) (kHz) 1500 Features Enable, Light Load Efficiency, Power Good, Synchronous Rectification Operating temperature range (C) -40 to 125 Rating Catalog Regulated outputs (#) 1
Vin (Min) (V) 2.5 Vin (Max) (V) 5.5 Vout (Min) (V) 0.6 Vout (Max) (V) 5.5 Iout (Max) (A) 2 Iq (Typ) (uA) 35 Switching frequency (Min) (kHz) 1500 Switching frequency (Max) (kHz) 1500 Features Enable, Light Load Efficiency, Power Good, Synchronous Rectification Operating temperature range (C) -40 to 125 Rating Catalog Regulated outputs (#) 1
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SOT-23 (DBV) 5 5 mm² 2.9 x 1.6 SOT-23-THN (DDC) 6 5 mm² 2.9 x 1.6 SOT-5X3 (DRL) 6 2 mm² 1.65 x 1.2
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  • Up to 95% Efficiency
  • Low RDS(ON) Switches 100 mΩ / 60 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 Typical Switching Frequency
  • Power Good Output
  • Over Current Protection
  • Internal Soft Startup
  • Thermal Shutdown Protection
  • Available in SOT Package
  • Pin-to-Pin Compatible with TLV62568
  • Create a Custom Design Using the TLV62569 With the WEBENCH® Power Designer
  • Up to 95% Efficiency
  • Low RDS(ON) Switches 100 mΩ / 60 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 Typical Switching Frequency
  • Power Good Output
  • Over Current Protection
  • Internal Soft Startup
  • Thermal Shutdown Protection
  • Available in SOT Package
  • Pin-to-Pin Compatible with TLV62568
  • Create a Custom Design Using the TLV62569 With the WEBENCH® Power Designer
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The TLV62569 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 2 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 TLV62569 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 TLV62569 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 2 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 TLV62569 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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Technical documentation

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Type Title Date
* Data sheet TLV62569 2-A High Efficiency Synchronous Buck Converter in SOT Package datasheet (Rev. C) 04 Oct 2017
Application note A Topical Index of TI Low Power Buck DC/DC Application Notes (Rev. A) 25 Jun 2021
Selection guide Buck Converter Quick Reference Guide (Rev. B) 08 Apr 2021
Application note Methods of output-voltage adjustment for DC/DC converters 14 Jun 2019
Application note Thermal Comparison of a DC/DC Converter in SOT23 and the New SOT563 13 May 2019
Technical article Minimize the impact of the MLCC shortage on your power application 29 Mar 2019
Technical article How a small SOT563 DC/DC converter supplies multirail power in industrial applications 21 Jan 2019
Application note Understanding 100% mode in low-power DC/DC converters 22 Jun 2018
User guide TLV62568PEVM-860, TLV62568APEVM-860 and TLV62569PEVM-860, TLV62569APEVM-860 EVMs (Rev. A) 12 Apr 2018
Application note Achieving a clean startup by using a DC/DC converter with a precise enable-pin t 24 Oct 2017
User guide TLV62568PEVM-884 and TLV62569PEVM-884 Evaluation Modules (Rev. A) 10 Jul 2017
Application note Testing tips for applying external power to supply outputs without an input volt 24 Oct 2016

Design & development

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

Evaluation board

TLV62569EVM-789 — 5.5V Input, 2A Output, High Efficiency Step-Down Converter Evaluation Module

The TLV62569EVM-789 evaluation module (EVM) is designed to help the user easily evaluate and test the operation and functionality of the TLV62569DBV 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 2-A output current. The (...)

document-pdfAcrobat User guide
In stock
Limit: 5
Evaluation board

TLV62569PEVM-860 — TLV62569PDRL 5.5V Input, 2A Output, High Efficiency Step-Down Converter Evaluation Module

The TLV62569PEVM-860 evaluation module (EVM) is designed to help the user easily evaluate and test the operation and functionality of the TLV62569PDRL 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 2-A output current. The (...)

document-pdfAcrobat User guide
In stock
Limit: 5
Evaluation board

TLV62569PEVM-884 — TLV62569PDDC 5.5V Input, 2A Output, High Efficiency Step-Down Converter Evaluation Module

The TLV62569PEVM-884 evaluation module (EVM) is designed to help the user easily evaluate and test the operation and functionality of the TLV62569PDDC 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 2-A output current. The (...)

document-pdfAcrobat User guide
In stock
Limit: 5
Simulation model

TLV62569 PSpice Unencrypted Transient Model (Rev. A)

SLVMBW3A.ZIP (50 KB) - PSpice Model
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Simulation model

TLV62569P PSpice Unencrypted Transient Model (Rev. B)

SLVMC19B.ZIP (80 KB) - PSpice Model
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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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Gerber file

Design Tool for Output Voltage Adjustment using a DAC

SLVC780.ZIP (138 KB)
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Reference designs

TIDA-010055 — Non-isolated power architecture with diagnostics reference design for protection relay modules

This reference design showcases non-isolated power supply architectures for protection relays with analog input/output and communication modules generated from 5-, 12-, or 24-V DC input. To generate the power supplies the design uses DC/DC converters with an integrated FET, a power module with an (...)
document-generic Schematic
Reference designs

PMP30666 — PWM output voltage scaling reference design for enterprise systems

This reference design shows a buck converter with adjustable output voltage using the TLV62569. The voltage can be adjusted with a PWM signal scaling an output voltage from 2.5 V through 4.3 V. The output voltage adjustment is achieved with a PWM signal in this reference design at a frequency of 20 (...)
document-pdfAcrobat Schematic
Reference designs

TIDA-010009 — Compact, efficient, 24-V input auxiliary power supply reference design for servo drives

This reference design showcases a method to generate power supplies required in a servo or AC drive including the analog and digtal I/O interfaces, encoder supply, isolated transceivers and digital processing block. This design also implements protection against input reverse polarity, output (...)
document-pdfAcrobat Schematic
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 (...)
document-pdfAcrobat Schematic
Reference designs

TIDA-01568 — 12mm x 12mm, 5-Rail Power Sequencing for Application Processors Reference Design

This reference design demonstrates a validated and cost competitive power sequencing solution for an application processor or a high performance control platform. This design supports 5 different voltage rails, optimized with layout space of 12 mm × 12 mm. The design is also capable of (...)
document-pdfAcrobat Schematic
Package Pins Download
SOT-23 (DBV) 5 View options
SOT-23-THIN (DDC) 6 View options
SOT-5X3 (DRL) 6 View options

Ordering & quality

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  • Ongoing reliability monitoring

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