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TLV62595

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2.5-V to 5.5-V input, 4-A step-down converter with 1% output accuracy in 1.5-mm x 1.5-mm QFN package

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Product details

Parameters

Vin (Min) (V) 2.5 Vin (Max) (V) 5.5 Vout (Min) (V) 0.6 Vout (Max) (V) 4 Iout (Max) (A) 4 Iq (Typ) (uA) 4 Switching frequency (Min) (kHz) 2000 Switching frequency (Max) (kHz) 2400 Features Enable, Light Load Efficiency, Output Discharge, Over Current Protection, Power Good, Pre-Bias Start-Up, 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

VSON-HR (DMQ) 6 2 mm² 1.5 x 1.5 open-in-new Find other Buck converters (integrated switch)

Features

  • Up to 97% efficiency
  • Low RDS(ON) power switches 26 mΩ / 25 mΩ
  • 2.5-V to 5.5-V input voltage range
  • Adjustable output voltage from 0.6 V to 4 V
  • 1% feedback voltage accuracy (full temperature range)
  • DCS-control topology
  • Power save mode for light load efficiency
  • 100% duty cycle for lowest dropout
  • 10-µA operating quiescent current
  • 2.2-MHz typical switching frequency
  • Short circuit protection (HICCUP)
  • Active output discharge
  • Power good output
  • Thermal shutdown protection
  • Create a custom design using the TLV62595 with the WEBENCH Power Designer

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Description

The TLV62595 is a high-frequency synchronous step-down converter optimized for compact solution size and high efficiency. The device integrates switches capable of delivering an output current up to 4 A. At medium to heavy loads, the converter operates in pulse width modulation (PWM) mode with typical 2.2-MHz switching frequency. At light load, the device automatically enters Power Save Mode (PSM) to maintain high efficiency over the entire load current range with a quiescent current as low as 10-µA.

Based on the DCS Control topology, it provides a fast transient response. The internal reference regulates the output voltage down to 0.6 V with a high feedback voltage accuracy of 1% over the junction temperature range of –40°C to 125°C. The entire solution requires a small 470-nH inductor, a single 4.7-µF input capacitor and three 10-µF or single 47-µF output capacitor.

The device is available in a 6-pin 1.5-mm x 1.5-mm QFN package, offering a high power density solution.

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Same functionality and pinout but is not an equivalent to the compared device:
TPS62827A PREVIEW 2.4-V to 5.5-V input, 4-A step-down converter with forced PWM in 1.5-mm×1.5-mm QFN package Pin-to-pin solution with forced PWM mode for low ripple

Technical documentation

= Top documentation for this product selected by TI
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Type Title Date
* Datasheet TLV62595, 2.5-V to 5.5-V Input, 4-A Step-Down Converter with 1% Output Accuracy in 1.5-mm × 1.5-mm QFN Package datasheet Dec. 08, 2020
Technical articles Minimize the impact of the MLCC shortage on your power application Mar. 29, 2019

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 TLV62595EVM-130 evaluation module (EVM) facilitates the evaluation of the TLV62595 4-A step-down converters with DCSControl™ in a 1.5-mm × 1.5-mm QFN package. The EVM output a 1.8-V output voltage with 1% accuracy from input voltages from 2.5 V to 5.5 V with a maximum solution height (...)
Features
  • Up to 97% efficiency
  • 1% feedback or output voltage accuracy (full temperature range)
  • 4-A output current
  • 34-mm² total solution size
  • Pin-to-pin 2-A, 3-A, 4-A devices (TPS62825, TPS62826, TPS62827)

Design tools & simulation

SIMULATION MODEL Download
SLUM769.ZIP (165 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
  • (...)

CAD/CAE symbols

Package Pins Download
VSON-HR (DMQ) 6 View options

Ordering & quality

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  • MSL rating/Peak reflow
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  • Qualification summary
  • Ongoing reliability monitoring

Support & training

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