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TLV62585DRLT

3-A Synchronous Buck Converter

The TLV62585DRLT is a 3-a synchronous buck converter from Texas Instruments. View the full TLV62585DRLT datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

TLV62585DRLT shares its datasheet with TLV62585DRL, whose page lists every part number it covers.

Official TLV62585DRLT datasheet (PDF) — the source this page was extracted from.

Manufacturer

Texas Instruments

Category

Switching Regulators (Buck)

TLV62585DRLT Key Specifications

ParameterValue
Efficiencyup to 95%
Package Size1.60mm x 1.60mm (SOT563)
Output Current3A
Shutdown Current<2µA
Quiescent Current35µA (operating)
Input Voltage Range2.5V to 5.5V
Switching Frequency1.5MHz (typical)
Low-Side FET RDS(On)32mΩ
Output Voltage Range0.6V to VIN (adjustable)
High-Side FET RDS(On)56mΩ
High-Side Current Limit4A min, 4.6A typical
Feedback Reference Voltage600mV (588mV to 612mV)
Operating Temperature Range-40°C to 125°C
Output Discharge Resistance10Ω

TLV62585DRLT Overview

Part: TLV62585 (TLV62585RWT, TLV62585DRL, TLV62585PDRL), Texas Instruments

Type: Synchronous Buck Converter

Description: 2.5–5.5 V input, 3 A synchronous step-down converter with 56 mΩ / 32 mΩ integrated switches, 1.5 MHz switching frequency and up to 95% efficiency.

Operating Conditions:

  • Supply voltage: 2.5–5.5 V
  • Operating junction temperature: -40 to 125 °C
  • Output voltage range: 0.6 V to VIN
  • Output current: 0–3 A

Absolute Maximum Ratings:

  • Max voltage at VIN, EN, PG: 6 V
  • Max voltage at FB: 3 V
  • Max voltage at SW (DC): VIN + 0.3 V
  • Max junction temperature: 150 °C
  • Storage temperature: -65 to 150 °C

Key Specs:

  • Quiescent current: 35 μA typ (no load, not switching)
  • Shutdown current: 0.7 μA typ, 2 μA max (EN = Low)
  • Feedback voltage: 600 mV typ; 594–606 mV (PWM, 0 to 85 °C); 588–612 mV (-40 to 125 °C)
  • RDS(on): 56 mΩ high-side, 32 mΩ low-side (TJ = 25 °C, VIN = 5 V)
  • High-side switch current limit: 4 A min, 4.6 A typ
  • Switching frequency: 1.5 MHz typ (VOUT = 1.8 V, IOUT = 1 A)
  • UVLO threshold: 2.3 V typ, 2.45 V max (VIN falling); hysteresis 150 mV
  • Soft start time: 900 μs typ
  • Power good threshold: 95% rising / 90% falling typ
  • Thermal shutdown: 150 °C typ, 20 °C hysteresis
  • Output discharge FET resistance: 10 Ω typ

Features:

  • Up to 95% efficiency
  • Power save mode for light load efficiency
  • 100% duty cycle for lowest dropout
  • Short circuit protection (HICCUP)
  • Output discharge
  • Power good output
  • Thermal shutdown protection
  • Internal compensation and soft start
  • Starts into a pre-biased output

Applications:

  • General purpose point-of-load supply
  • Battery-powered applications
  • Wireless router, solid state drive
  • Set-top box, multi-function printer
  • Motor control

Package:

  • QFN (12), 2.00 mm × 2.00 mm (RWT)
  • SOT563 (6), 1.60 mm × 1.60 mm (DRL, PDRL)

TLV62585DRLT Features

  • 1 · Up to 95% efficiency
  • Low RDS(ON) power switches 56 m Ω / 32 m Ω
  • 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
  • 35μ A operating quiescent current
  • 1.5-MHz typical switching frequency
  • Short circuit protection (HICCUP)
  • Output discharge
  • Power good output
  • Thermal shutdown protection
  • Available in 2-mm × 2-mm QFN or 1.6-mm x 1.6mm SOT563 package
  • Create a custom design using the TLV62585 with the WEBENCH ® Power Designer

TLV62585DRLT Applications

  • General purpose point-of-load supply
  • Battery-powered application
  • Wireless router, solid state drive
  • Set-top box, multi functional printer
  • Motor control

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TLV62585DRLT Pin Configuration

TLV62585DRLT Electrical Characteristics

TJ = 25 °C, and VIN = 5 V, unless otherwise noted.

PARAMETERPARAMETERTEST CONDITIONSMINTYPMAXUNIT
SUPPLYSUPPLYSUPPLYSUPPLYSUPPLYSUPPLYSUPPLY
I QQuiescent current into VINNo load, device not switching35μA
I SDShutdown current into VINEN = Low0.72μA
Under voltage lock out thresholdV IN falling2.32.45V
V UVLOUnder voltage lock out hysteresis150mV
T JSDThermal shutdown threshold
Thermal shutdown hysteresis		T J rising150
20		°C
°C
LOGIC INTERFACE ENLOGIC INTERFACE ENLOGIC INTERFACE ENLOGIC INTERFACE ENLOGIC INTERFACE ENLOGIC INTERFACE ENLOGIC INTERFACE EN
V IHHigh-level input voltageV IN = 2.5 V to 5.5 V1.2V
V ILLow-level input voltageV IN = 2.5 V to 5.5 V0.4V
SOFT START, POWER GOODSOFT START, POWER GOODSOFT START, POWER GOODSOFT START, POWER GOODSOFT START, POWER GOODSOFT START, POWER GOODSOFT START, POWER GOOD
t SSSoft start timeTime from EN high to 95% of V OUT nominal900μs
VPower good thresholdV OUT rising, referenced to V OUT nominal95%
PGV OUT falling, referenced to V OUT nominal90%
V PG,OLLow-level output voltageI sink = 1 mA0.4V
I PG,LKGInput leakage current into PG pinV PG = 5.0 V0.01μA
t PG,DLYPower good delayV FB falling40μs
OUTPUTOUTPUTOUTPUTOUTPUTOUTPUTOUTPUTOUTPUT
V FBFeedback regulation voltagePWM mode, 2.5 V ≤ VIN ≤ 5.5 V, 0°C to 85°C594600606mV
PWM mode, 2.5 V ≤ VIN ≤ 5.5 V, -40°C to 125°C588600612mV
I FB,LKGFeedback input leakage currentV FB = 0.6 V0.01μA
R DISOutput discharge FET on-resistanceEN = Low, V OUT = 1.8 V10Ω
POWER SWITCHPOWER SWITCHPOWER SWITCHPOWER SWITCHPOWER SWITCHPOWER SWITCHPOWER SWITCH
R DS(on)High-side FET on-resistance
Low-side FET on-resistance		56
32		m Ω
m Ω
I LIMHigh-side FET switch current limit44.6A
f SWPWM switching frequencyV OUT = 1.8V, I OUT = 1 A1.5MHz

TLV62585DRLT Absolute Maximum Ratings

MINMAXUNIT
Voltage at Pins (1)VIN, EN, PG-0.36V
Voltage at Pins (1)FB-0.33V
Voltage at Pins (1)SW (DC)-0.3V IN + 0.3V
Voltage at Pins (1)SW (AC, less than 10ns) (2)-3.09V
Operating Junction, T J-40150°C
Storage, T stg-65150°C

TLV62585DRLT Recommended Operating Conditions

MINNOMMAXUNIT
V INInput voltage range2.55.5V
V OUTOutput voltage range0.6V INV
I SINK_PGSink current at PG pin1mA
I OUTOutput current03A
T JOperating junction temperature-40125°C

TLV62585DRLT Thermal Information

THERMAL(1) - METRICTLV62585 - RWT [QFN]TLV62585 - DRL [SOT]UNIT
R θ JAJunction-to-ambient thermal resistance95.7132.7°C/W
R θ JC(top)Junction-to-case (top) thermal resistance74.143.8°C/W
R θ JBJunction-to-board thermal resistance29.427.3°C/W
ψ JTJunction-to-top characterization parameter5.81.2°C/W
ψ JBJunction-to-board characterization parameter29.726.6°C/W
R θ JC(bot)Junction-to-case (bottom) thermal resistanceN/AN/A°C/W

TLV62585DRLT Typical Application

1

Variants on the same datasheet

These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.

Part NumberManufacturerPackage
TLV62585DRLTexas InstrumentsSOT563-6 1.6x1.6mm
TLV62585DRLRTexas InstrumentsSOT563-6
TLV62585PDRLTexas InstrumentsSOT563-6
TLV62585RWTTexas InstrumentsVQFN-HR-12 2x2mm

Other Switching Regulators (Buck)

  • TPS54302 – Texas Instruments, Synchronous Step-Down Converter
  • MAX20730 – Analog Devices, Synchronous Switching Regulator
  • TLV62568 – Texas Instruments, Synchronous Buck Converter
  • LM2596 – onsemi, Step-Down Voltage Regulator
  • TPS562200 – Texas Instruments, Synchronous Buck Converter
  • AP63203WU – Diodes Incorporated, Synchronous Buck Converter
  • TPS54202 – Texas Instruments, Synchronous Buck Converter
  • AP63357DV-7 – Diodes Incorporated, Synchronous Buck Converter

All Switching Regulators (Buck) datasheetsAll Texas Instruments datasheets (2,442)

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

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