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TPS7A4501DCQTG4

The TPS7A4501DCQTG4 is an electronic component from Texas Instruments. View the full TPS7A4501DCQTG4 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

Manufacturer

Texas Instruments

Category

LDO Voltage Regulators

Key Specifications

ParameterValue
PackagingCut Tape
Standard Pack Qty250

Overview

Part: TPS7A45xx — Texas Instruments

Type: Low-Dropout (LDO) Voltage Regulator

Description: A 1.5 A low-dropout (LDO) voltage regulator optimized for fast transient response, featuring 300 mV dropout voltage, 35 μ VRMS low noise, and 68 dB ripple rejection at 1 kHz.

Operating Conditions:

  • Supply voltage: V OUT + V DO to 20 V
  • Operating temperature: -40 to 125 °C

Absolute Maximum Ratings:

  • Max supply voltage: 20 V
  • Max junction temperature: 150 °C
  • Max storage temperature: -65 to 150 °C

Key Specs:

  • Output Current: 1.5 A
  • Dropout Voltage: 300 mV (at I LOAD = 1.5 A, 25°C)
  • Output Voltage Accuracy: 1% (at 25°C)
  • Low Noise: 35 μ VRMS (10 Hz to 100 kHz, C OUT = 10 μ F, I LOAD = 1.5 A, 25°C)
  • High Ripple Rejection: 68 dB (at 120 Hz, V IN - V OUT = 1.5 V avg, V RIPPLE = 0.5 V P-P, I LOAD = 0.75 A, 25°C)
  • Quiescent Current: 1 mA (typ, I LOAD = 0 mA, full range)
  • Quiescent Current in Shutdown: 0.01 μ A (typ, V IN = 6 V, V SHDN = 0 V, 25°C)
  • Current Limit: 1.6 A (min, V IN = V OUT(NOMINAL) + 1, full range)

Features:

  • Optimized for Fast Transient Response
  • Controlled Quiescent Current in Dropout
  • No Protection Diodes Needed
  • Stable With 10μ F Ceramic Output Capacitor
  • Reverse-Battery Protection
  • Reverse Current Protection

Applications:

  • Industrial
  • Wireless Infrastructure
  • Radio-Frequency Systems

Package:

  • SOT-223 (6 pins, 6.50 mm × 7.06 mm)
  • TO-263 (5 pins, 10.16 mm × 15.24 mm)

Features

  • 1 · Optimized for Fast Transient Response
  • Output Current: 1.5 A
  • High Output Voltage Accuracy: 1% at 25°C
  • Dropout Voltage: 300 mV
  • Low Noise: 35 μ VRMS (10 Hz to 100 kHz)
  • High Ripple Rejection: 68 dB at 1 kHz
  • 1-mA Quiescent Current
  • No Protection Diodes Needed
  • Controlled Quiescent Current in Dropout
  • Fixed Output Voltages: 1.5 V, 1.8 V, 2.5 V, 3.3 V
  • Adjustable Output from 1.21 V to 20 V (TPS7A4501 Only)
  • Less Than 1μ A Quiescent Current in Shutdown
  • Stable With 10μ F Ceramic Output Capacitor
  • Reverse-Battery Protection
  • Reverse Current Protection

Applications

  • Industrial
  • Wireless Infrastructure
  • Radio-Frequency Systems

Pin Configuration

DCQ Package 6-Pin SOT-223 Top View

Electrical Characteristics

Over recommended operating temperature range TJ = -40 to 125°C (unless otherwise noted) (1)

PARAMETERPARAMETERTEST CONDITIONSTEST CONDITIONST JMINTYP (2)MAXUNIT
V INMinimum input voltage (3) (4)I LOAD = 0.5 AI LOAD = 0.5 A25°C1.9V
V INMinimum input voltage (3) (4)I LOAD = 1.5 AI LOAD = 1.5 AFull range2.12.5V
V OUTRegulated output voltage (5)TPS7A4515V IN = 2.21 V, I LOAD = 1 mA25°C1.4851.51.515V
V OUTRegulated output voltage (5)TPS7A4515V IN = 2.5 V to 20 V, I LOAD = 1 mA to 1.5 AFull range1.4471.51.545V
V OUTRegulated output voltage (5)TPS7A4518V IN = 2.3 V, I LOAD = 1 mA25°C1.7821.81.818V
V OUTRegulated output voltage (5)TPS7A4518V IN = 2.8 V to 20 V, I LOAD = 1 mA to 1.5 AFull range1.7371.81.854V
V OUTRegulated output voltage (5)TPS7A4525V IN = 3 V, I LOAD = 1 mA25°C2.4752.52.525V
V OUTRegulated output voltage (5)TPS7A4525V IN = 3.5 V to 20 V, I LOAD = 1 mA to 1.5 AFull range2.4122.52.575V
V OUTRegulated output voltage (5)TPS7A4533V IN = 3.8 V, I LOAD = 1 mA25°C3.2663.33.333V
V OUTRegulated output voltage (5)TPS7A4533V IN = 4.3 V to 20 V, I LOAD = 1 mA to 1.5 AFull range3.23.33.4V
V ADJADJ pin voltage (3) (5)TPS7A4501V IN = 2.21 V, I LOAD = 1 mA25°C1.1971.211.222V
V ADJADJ pin voltage (3) (5)TPS7A4501V IN = 2.5 V to 20 V, I LOAD = 1 mA to 1.5 AFull range1.1741.211.246V
Line regulationTPS7A4515Δ V IN = 2.21 V to 20 V, I LOAD = 1 mAFull range26mV
Line regulationTPS7A4518Δ V IN = 2.3 V to 20 V, I LOAD = 1 mAFull range2.57mV
Line regulationTPS7A4525Δ V IN = 3 V to 20 V, I LOAD = 1 mAFull range310mV
Line regulationTPS7A4533Δ V IN = 3.8 V to 20 V, I LOAD = 1 mAFull range3.510mV
Line regulationTPS7A4501 (3)Δ V IN = 2.21 V to 20 V, I LOAD = 1 mAFull range1.53mV

SLVS720F -JUNE 2008-REVISED NOVEMBER 2015

Absolute Maximum Ratings

over operating virtual-junction temperature range (unless otherwise noted) (1)

MINMAXUNIT
InputIN-2020V
InputOUT-2020V
InputInput-to-output differential (2)-2020V
InputSENSE-2020V
InputADJ-77V
InputSHDN-2020V
Output short-circuit duration, t shortOutput short-circuit duration, t shortIndefinite
Maximum lead temperature (10-s soldering time), T leadMaximum lead temperature (10-s soldering time), T lead300°C
Maximum junction temperature, T JMAXMaximum junction temperature, T JMAX150°C
Storage temperature, T stgStorage temperature, T stg-65150°C

Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)

MINMAXUNIT
V INInput voltage range (1)V OUT + V DO20V
V IHSHDN high-level input voltage220V
V ILSHDN low-level input voltage0.25V
T JRecommended operating junction temperature range-40125°C

Thermal Information

TPS7A45xxTPS7A45xx
THERMAL METRIC (1) (2)KTT (TO-263)DCQ (SOT-223)
5 PINS6 PINS
R θ JAJunction-to-ambient thermal resistance28.050.5
R θ JC(top)Junction-to-case (top) thermal resistance43.031.1
R θ JBJunction-to-board thermal resistance17.45.1
ψ JTJunction-to-top characterization parameter3.91.0
ψ JBJunction-to-board characterization parameter9.45.0
R θ JC(bot)Junction-to-case (bottom) thermal resistance0.3-

Typical Application

This section highlights some design considerations for implementing this device in various applications.

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