TPS74801RGWR
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Texas Instruments TPS74801RGWR

Manufacturer No:
TPS74801RGWR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC REG LIN POS ADJ 1.5A 20VQFN
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The TPS74801RGWR is a 1.5-A low-dropout (LDO) linear voltage regulator produced by Texas Instruments. This device is designed to provide a robust power management solution for a wide variety of applications. It features a user-programmable soft-start, which minimizes stress on the input power source by reducing capacitive inrush current on start-up. The regulator includes an enable input and a power-good output, allowing for easy sequencing with external regulators. This makes it suitable for powering processors, ASICs, FPGAs, DSPs, and other applications with specific start-up requirements.

Key Specifications

Parameter Value Parameter Value
Output Options Adjustable Output Maximum Continuous Drain Current (A) 1.5
Vin (max) (V) 5.5 Vin (min) (V) 0.8
Vout (max) (V) 3.6 Vout (min) (V) 0.8
Noise (µVrms) 20 Iq (typ) (mA) 1
Thermal Resistance θJA (°C/W) 36 Rating Catalog
Load Capacitance (min) (µF) 2.2 Regulated Outputs (#) 1
Operating Temperature Range (°C) -40 to 125 Dropout Voltage (Vdo) (typ) (mV) 60
PSRR at 100 KHz (dB) 28 Accuracy (%) 1% (new chip), 2% (legacy chip)

Key Features

  • VOUT range: 0.8V to 3.6V
  • Ultra-low VIN range: 0.8V to 5.5V
  • VBIAS range: 2.7V to 5.5V
  • Low dropout: 60 mV typical at 1.5A, VBIAS = 5V
  • Power-good (PG) output for supply monitoring or sequencing signal
  • Programmable soft-start for linear voltage start-up
  • Stable with any output capacitor ≥ 2.2µF
  • Compact design available in 3mm × 3mm VSON-10 and 5mm × 5mm VQFN-20 packages
  • Fault-tolerant design for reliable operation
  • Accurate regulation over a wide temperature range

Applications

The TPS74801RGWR is suitable for various applications where a stable and regulated power supply is required. These include:

  • Communication equipment
  • Industrial control systems
  • Instrumentation
  • Consumer electronics
  • Networking equipment
  • Automotive systems
  • Powering processors, ASICs, FPGAs, and DSPs

Q & A

  1. What is the maximum continuous drain current of the TPS74801RGWR?

    The maximum continuous drain current is 1.5 A.

  2. What is the input voltage range of the TPS74801RGWR?

    The input voltage range is from 0.8 V to 5.5 V.

  3. What is the output voltage range of the TPS74801RGWR?

    The output voltage range is from 0.8 V to 3.6 V.

  4. What is the typical dropout voltage of the TPS74801RGWR?

    The typical dropout voltage is 60 mV at 1.5 A with VBIAS = 5 V.

  5. Does the TPS74801RGWR have a power-good output?
  6. What is the minimum load capacitance required for the TPS74801RGWR?

    The minimum load capacitance is 2.2 µF.

  7. What are the available package options for the TPS74801RGWR?

    The device is available in 3mm × 3mm VSON-10 and 5mm × 5mm VQFN-20 packages.

  8. What is the operating temperature range of the TPS74801RGWR?

    The operating temperature range is from -40°C to 125°C.

  9. Does the TPS74801RGWR support programmable soft-start?
  10. What is the accuracy of the TPS74801RGWR over line, load, and temperature?

    The accuracy is 1% for new chips and 2% for legacy chips.

Product Attributes

Output Configuration:Positive
Output Type:Adjustable
Number of Regulators:1
Voltage - Input (Max):5.5V
Voltage - Output (Min/Fixed):0.8V
Voltage - Output (Max):3.6V
Voltage Dropout (Max):0.16V @ 1.5A
Current - Output:1.5A
Current - Quiescent (Iq):- 
Current - Supply (Max):- 
PSRR:50dB ~ 30dB (1kHz ~ 300kHz)
Control Features:Enable, Power Good, Soft Start
Protection Features:Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
Operating Temperature:-40°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:20-VQFN Exposed Pad
Supplier Device Package:20-VQFN (5x5)
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Similar Products

Part Number TPS74801RGWR TPS74901RGWR TPS74801RGWT TPS74301RGWR TPS74401RGWR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active Active
Output Configuration Positive Positive Positive Positive Positive
Output Type Adjustable Adjustable Adjustable Adjustable Adjustable
Number of Regulators 1 1 1 1 1
Voltage - Input (Max) 5.5V 5.5V 5.5V 5.5V 5.5V
Voltage - Output (Min/Fixed) 0.8V 0.8V 0.8V 0.8V 0.8V
Voltage - Output (Max) 3.6V 3.6V 3.6V 3.6V 3.6V
Voltage Dropout (Max) 0.16V @ 1.5A 0.28V @ 3A 0.16V @ 1.5A 0.12V @ 1.5A 0.24V @ 3A
Current - Output 1.5A 3A 1.5A 1.5A 3A
Current - Quiescent (Iq) - - - 115 µA -
Current - Supply (Max) - - - 1.5 mA -
PSRR 50dB ~ 30dB (1kHz ~ 300kHz) 60dB ~ 30dB (1kHz ~ 300kHz) 50dB ~ 30dB (1kHz ~ 300kHz) 73dB ~ 42dB (1kHz ~ 800kHz) 73dB ~ 50dB (1kHz ~ 800kHz)
Control Features Enable, Power Good, Soft Start Enable, Power Good, Soft Start Enable, Power Good, Soft Start Enable, Power Good, Tracking Enable, Power Good, Soft Start
Protection Features Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO) Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO) Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO) Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO) Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 20-VQFN Exposed Pad 20-VQFN Exposed Pad 20-VQFN Exposed Pad 20-VQFN Exposed Pad 20-VQFN Exposed Pad
Supplier Device Package 20-VQFN (5x5) 20-VQFN (5x5) 20-VQFN (5x5) 20-VQFN (5x5) 20-VQFN (5x5)

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