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TLV62568DBVT

Synchronous Buck Converter

The TLV62568DBVT is a synchronous buck converter from Texas Instruments. View the full TLV62568DBVT datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

TLV62568DBVT shares its datasheet with TLV62568, whose page lists every part number it covers.

Manufacturer

Texas Instruments

Category

Switching Regulators (Buck)

Package

SOT-23 (DBV) 5

TLV62568DBVT Key Specifications

ParameterValue
Quiescent current35 μA (VIN = 5 V, TJ = 25 °C, not switching)
Shutdown current0.1 μA typ, 2 μA max (EN = 0 V)
Feedback regulation voltage0.6 V (0.588 V min, 0.612 V max)
High-side FET on-resistance150 mΩ (VIN = 5 V, TJ = 25 °C)
Low-side FET on-resistance100 mΩ (VIN = 5 V, TJ = 25 °C)
High-side FET current limit1.5 A min
Switching frequency1.5 MHz typ (VOUT = 1.8 V)
Soft startup time700 μs typ (TLV62568DBV), 900 μs typ (TLV62568DRL, TLV62568PDRL, TLV62568PDDC)

TLV62568DBVT Overview

Part: TLV62568, TLV62568P — Texas Instruments

Type: Synchronous Buck Converter

Description: 2.5 V to 5.5 V input, 1 A synchronous step-down converter with 95% peak efficiency and integrated FETs in compact SOT packages.

Operating Conditions:

  • Supply voltage: 2.5 V to 5.5 V
  • Operating temperature: -40 to 125 °C (junction)
  • Output voltage range: 0.6 V to VIN
  • Output current: up to 1 A

Absolute Maximum Ratings:

  • Max supply voltage: 6 V (VIN, EN, PG)
  • Max junction/storage temperature: 150 °C

Key Specs:

  • Quiescent current: 35 μA (VIN = 5 V, TJ = 25 °C, not switching)
  • Shutdown current: 0.1 μA typ, 2 μA max (EN = 0 V)
  • Feedback regulation voltage: 0.6 V (0.588 V min, 0.612 V max)
  • High-side FET on-resistance: 150 mΩ (VIN = 5 V, TJ = 25 °C)
  • Low-side FET on-resistance: 100 mΩ (VIN = 5 V, TJ = 25 °C)
  • High-side FET current limit: 1.5 A min
  • Switching frequency: 1.5 MHz typ (VOUT = 1.8 V)
  • Soft startup time: 700 μs typ (TLV62568DBV), 900 μs typ (TLV62568DRL, TLV62568PDRL, TLV62568PDDC)

Features:

  • Up to 95% efficiency
  • Low RDS(ON) switches (150 mΩ / 100 mΩ)
  • Power Save Mode for light load efficiency
  • 100% duty cycle for lowest dropout
  • Power Good output (TLV62568P)
  • Internal soft startup
  • Over current protection and thermal shutdown protection
  • Pin-to-pin compatible with TLV62569

Applications:

  • General Purpose POL Supply
  • Network Video Camera
  • Set Top Box
  • Wireless Router

Package:

  • SOT-23 (5 pin, DBV, 2.90 mm × 2.80 mm)
  • SOT-23 (6 pin, DDC, 2.90 mm × 2.80 mm)
  • SOT563 (6 pin, DRL, 1.60 mm × 1.60 mm)

TLV62568DBVT Features

  • 1 · Up to 95% Efficiency
  • Low RDS(ON) Switches 150 m Ω / 100 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
  • 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

TLV62568DBVT Applications

  • General Purpose POL Supply
  • Network Video Camera
  • Set Top Box
  • Wireless Router

TLV62568DBVT Pin Configuration

TLV62568DBVT Electrical Characteristics

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

PARAMETERPARAMETERTEST CONDITIONSMINTYPMAXUNIT
SUPPLYSUPPLYSUPPLYSUPPLYSUPPLYSUPPLYSUPPLY
I QQuiescent current into VIN pinNot switching35μA
I SDShutdown current into VIN pinEN = 0 V0.12μA
V UVLOUnder voltage lock outV IN falling2.32.45V
V UVLOUnder voltage lock out hysteresis100mV
T JSDThermal shutdown thresholdJunction temperature rising150°C
T JSDJunction temperature falling130°C
LOGIC INTERFACELOGIC INTERFACELOGIC INTERFACELOGIC INTERFACELOGIC INTERFACELOGIC INTERFACELOGIC INTERFACE
V IHHigh-level threshold at EN pin2.5 V ≤ V IN ≤ 5.5 V0.951.2V
V ILLow-level threshold at EN pin2.5 V ≤ V IN ≤ 5.5 V0.40.85V
t SSSoft startup timeTLV62568DBV700μs
t SSSoft startup timeTLV62568DRL, TLV62568PDRL, TLV62568PDDC900μs
V PGPower good threshold, TLV62568PV FB rising, referenced to V FB nominal95%
V PGPower good threshold, TLV62568PV FB falling, referenced to V FB nominal90%
V PG,OLPower good low-level output voltageI SINK = 1 mA0.4V
I PG,LKGInput leakage current into PG pinV PG = 5 V0.01μA
t PG,DLYPower good delay timeV FB falling40μs
OUTPUTOUTPUTOUTPUTOUTPUTOUTPUTOUTPUTOUTPUT
V FBFeedback regulation voltage0.5880.60.612V
R DS(on)High-side FET on resistance150m Ω
R DS(on)Low-side FET on resistance100m Ω
I LIMHigh-side FET current limit1.5A
f SWSwitching frequencyV OUT = 1.8 V1.5MHz

TLV62568DBVT Absolute Maximum Ratings

Over operating temperature range (unless otherwise noted) (1)

MINMAXUNIT
Voltage (2)VIN, EN, PG-0.36V
Voltage (2)SW (DC)-0.3V IN +0.3V
Voltage (2)SW (AC, less than 10 ns) (3)-3.09V
Voltage (2)FB-0.35.5V
Operating junction temperature, T JOperating junction temperature, T J-40150°C
Storage temperature, T stgStorage temperature, T stg-65150°C

TLV62568DBVT Recommended Operating Conditions

MINTYPMAXUNIT
V INInput voltage2.55.5V
V OUTOutput voltage0.6V INV
I OUTOutput current1A
T JOperating junction temperature-40125°C
I SINK_PGSink current at PG pin1mA

TLV62568DBVT Thermal Information

THERMAL METRIC (1)THERMAL METRIC (1)DBV (5 Pins)DDC (6 pins)DRL (6 pins)UNIT
R θ JAJunction-to-ambient thermal resistance191.6121.6149.8°C/W
R θ JC(top)Junction-to-case (top) thermal resistance141.469.145.7°C/W
R θ JBJunction-to-board thermal resistance44.545.531.1°C/W
ψ JTJunction-to-top characterization parameter34.522.31.3°C/W
ψ JBJunction-to-board characterization parameter43.946.031.7°C/W
R θ JC(bot)Junction-to-case (bottom) thermal resistanceN/AN/AN/A°C/W

TLV62568DBVT Typical Application

The following section discusses the design of the external components to complete the power supply design for several input and output voltage options by using typical applications as a reference.

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
TLV62568Texas InstrumentsSOT-23 (5-pin)
TLV62568DBVTexas InstrumentsSOT-23-6
TLV62568DBVRTexas InstrumentsSC-74A, SOT-753
TLV62568DBVR.ATexas InstrumentsSOT-23 (DBV) 5
TLV62568DBVT.ATexas InstrumentsSOT-23 (DBV) 5
TLV62568DRLTexas InstrumentsSOT-563-6
TLV62568DRLRTexas InstrumentsSOT-5X3 (DRL) 6
TLV62568DRLR.ATexas InstrumentsSOT-5X3 (DRL) 6
TLV62568DRLTTexas InstrumentsSOT-5X3 (DRL) 6
TLV62568DRLT.ATexas InstrumentsSOT-5X3 (DRL) 6
TLV62568PTexas Instruments—
TLV62568PDDCTexas InstrumentsSOT-23-THIN-6
TLV62568PDDCRTexas InstrumentsSOT-23-6 Thin, TSOT-23-6
TLV62568PDDCR.ATexas InstrumentsSOT-23-THIN (DDC) 6
TLV62568PDDCTTexas InstrumentsSOT-23-THIN-6
TLV62568PDDCT.ATexas InstrumentsSOT-23 (5)
TLV62568PDRLTexas InstrumentsSOT-563-6
TLV62568PDRLRTexas InstrumentsSOT-5X3-6
TLV62568PDRLR.ATexas InstrumentsSOT-563-6
TLV62568PDRLTTexas InstrumentsSOT-23 (5)
TLV62568PDRLT.ATexas InstrumentsSOT-5X3-6

Other Switching Regulators (Buck)

  • TPS54302 – Texas Instruments, Synchronous Step-Down Converter
  • MAX20730 – Analog Devices, Synchronous Switching Regulator
  • TLV62568 – Texas Instruments, Synchronous Buck Converter
  • LM2596 – Texas Instruments, Step-Down Voltage Regulator
  • TPS562200 – Texas Instruments, Synchronous Buck Converter
  • AP63203WU – Diodes Incorporated, Synchronous Buck Converter
  • AP63357DV-7 – Diodes Incorporated, Synchronous Buck Converter
  • LMR38010FDDAR – Texas Instruments, Synchronous Buck Converter

All Switching Regulators (Buck) datasheetsAll Texas Instruments datasheets (2,418)

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