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TLV62569

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

Data sheet
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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

Parameters

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 open-in-new Find other Buck converters (integrated switch)

Package | Pins | Size

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 open-in-new Find other Buck converters (integrated switch)

Features

  • 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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Description

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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Same functionality and pinout but is not an equivalent to the compared device:
TLV62568 ACTIVE 2.5V-5.5V input, 1A high efficiency step-down buck converter in SOT23 and SOT563 package Pin-compatible converter with lower ouput current (1 A).
Similar but not functionally equivalent to the compared device:
TLV62569A ACTIVE 2A High Efficiency Step-down Buck Converter with forced PWM in SOT Package 2-A converter with forced PWM in SOT563 package (pin-to-pin).
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
* Datasheet TLV62569 2-A High Efficiency Synchronous Buck Converter in SOT Package datasheet (Rev. C) Oct. 04, 2017
Selection guide Buck Converter Quick Reference Guide (Rev. A) Mar. 31, 2020
Application note Methods of output-voltage adjustment for DC/DC converters Jun. 14, 2019
Application note Thermal Comparison of a DC/DC Converter in SOT23 and the New SOT563 May 13, 2019
Technical articles Minimize the impact of the MLCC shortage on your power application Mar. 29, 2019
Technical articles How a small SOT563 DC/DC converter supplies multirail power in industrial applications Jan. 21, 2019
Application note Understanding 100% mode in low-power DC/DC converters Jun. 22, 2018
User guide TLV62568PEVM-860, TLV62568APEVM-860 and TLV62569PEVM-860, TLV62569APEVM-860 EVMs (Rev. A) Apr. 12, 2018
Application note A Topical Index of TI Low Power Buck DC/DC Application Notes Jan. 17, 2018
Application note Achieving a clean startup by using a DC/DC converter with a precise enable-pin t Oct. 24, 2017
User guide TLV62568PEVM-884 and TLV62569PEVM-884 Evaluation Modules (Rev. A) Jul. 10, 2017
Application note Testing tips for applying external power to supply outputs without an input volt Oct. 24, 2016

Design & development

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

Hardware development

EVALUATION BOARD Download
49
Description

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 (...)

Features
  • 2.5-V to 5.5-V input voltage range
  • 1.8-V output voltage (adjustable)
  • 2-A output current
  • Up to 95% efficiency
  • 35-μA operating quiescent current
  • Power save mode for light load efficiency
  • 100% duty cycle for lowest dropout
  • Low BOM count
View details
EVALUATION BOARD Download
49
Description

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 (...)

Features
  • 2.5-V to 5.5-V input voltage range
  • 1.8-V output voltage (adjustable)
  • 2-A output current
  • Up to 95% efficiency
  • 35-μA operating quiescent current
  • Power save mode for light load efficiency
  • 100% duty cycle for lowest dropout
  • Low BOM count
View details
EVALUATION BOARD Download
49
Description

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 (...)

Features
  • 2.5-V to 5.5-V input voltage range
  • 1.8-V output voltage (adjustable)
  • 2-A output current
  • Up to 95% efficiency
  • 35-μA operating quiescent current
  • Power save mode for light-load efficiency
  • 100% duty cycle for lowest dropout
  • Low BOM count
View details

Design tools & simulation

SIMULATION MODEL Download
SLVMBW3A.ZIP (50 KB) - PSpice Model
SIMULATION MODEL Download
SLVMC19B.ZIP (80 KB) - PSpice Model
SIMULATION TOOL Download
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — 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 (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
View details
GERBER FILE Download
SLVC780.ZIP (138 KB)

Reference designs

参考设计 Download
Multiparameter front end reference design for vital signs patient monitor
TIDA-01614 — This reference design is for a multiparameter front end of a patient monitor that measures vital sign parameters like ECG, heart rate, SpO2 and respiration.it uses biosensing front end integrated circuits like the AFE4403 and ADS1292R devices, to measure these parameters. It also uses three TMP117 (...)
document-generic Schematic
参考设计 Download
Non-isolated power architecture with diagnostics reference design for protection relay modules
TIDA-010055 — 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
参考设计 Download
PWM output voltage scaling reference design for enterprise systems
PMP30666 — 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-generic Schematic
参考设计 Download
Compact, efficient, 24-V input auxiliary power supply reference design for servo drives
TIDA-010009 — 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-generic Schematic
参考设计 Download
High efficiency power supply architecture reference design for protection relay processor module
TIDA-010011 — 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-generic Schematic
参考设计 Download
12mm x 12mm, 5-Rail Power Sequencing for Application Processors Reference Design
TIDA-01568 — 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-generic Schematic

CAD/CAE symbols

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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  • Qualification summary
  • Ongoing reliability monitoring

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