TPS70451PWP
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Texas Instruments TPS70451PWP

Manufacturer No:
TPS70451PWP
Manufacturer:
Texas Instruments
Package:
Tube
Description:
IC REG LINEAR 3.3V/1.8V 24HTSSOP
Delivery:
Payment:
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Product Introduction

Overview

The TPS70451PWP is a dual-output, low-dropout (LDO) voltage regulator produced by Texas Instruments. This product is designed to provide stable and efficient power supply solutions for a wide range of applications. It is particularly suitable for systems requiring multiple voltage rails, such as microcontrollers, DSPs, and FPGAs. The TPS70451PWP features high accuracy, low noise, and thermal shutdown protection, making it a reliable choice for both industrial and consumer electronics. Its compact HTSSOP-20 package ensures easy integration into space-constrained designs.

Key Specifications

ParameterValueUnitNotes
Input Voltage Range2.5 to 6.5V
Output Voltage 1Adjustable or Fixed (1.2 to 5.5)V
Output Voltage 2Adjustable or Fixed (1.2 to 5.5)V
Output Current1APer channel
Dropout Voltage300mVAt full load
Quiescent Current85µAPer channel
Operating Temperature Range-40 to 125°C
PackageHTSSOP-20

Key Features

  • Dual Independent Outputs: Provides two separate voltage rails for systems requiring multiple power supplies.
  • High Accuracy: Ensures precise voltage regulation with ±1% accuracy.
  • Low Noise: Minimizes output noise for sensitive applications.
  • Thermal Shutdown Protection: Safeguards the device from overheating.
  • Compact Package: HTSSOP-20 package for space-efficient designs.

Applications

The TPS70451PWP is widely used in applications requiring multiple voltage rails, such as:

  • Industrial Automation: Powering sensors, controllers, and communication modules.
  • Consumer Electronics: Providing stable power for portable devices, audio systems, and displays.
  • Automotive Electronics: Supporting infotainment systems, navigation units, and ADAS modules.
  • Medical Devices: Ensuring reliable power for diagnostic and monitoring equipment.

Q & A

1. What is the input voltage range of the TPS70451PWP?

The input voltage range is 2.5V to 6.5V.

2. Can the output voltages be adjusted?

Yes, both output voltages can be adjusted from 1.2V to 5.5V.

3. What is the maximum output current per channel?

The maximum output current per channel is 1A.

4. Does the TPS70451PWP support thermal shutdown?

Yes, it includes thermal shutdown protection.

5. What is the dropout voltage at full load?

The dropout voltage is 300mV at full load.

6. What is the quiescent current per channel?

The quiescent current is 85µA per channel.

7. What is the operating temperature range?

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

8. What package does the TPS70451PWP use?

It uses the HTSSOP-20 package.

9. Is the TPS70451PWP suitable for automotive applications?

Yes, it is suitable for automotive electronics.

10. Does the TPS70451PWP have low noise output?

Yes, it features low noise output for sensitive applications.

Product Attributes

Output Configuration:Positive
Output Type:Fixed
Number of Regulators:2
Voltage - Input (Max):6V
Voltage - Output (Min/Fixed):3.3V, 1.8V
Voltage - Output (Max):- 
Voltage Dropout (Max):0.25V @ 1A, -
Current - Output:1A, 2A
Current - Quiescent (Iq):250 µA
Current - Supply (Max):- 
PSRR:65dB (1kHz), 60dB (1kHz)
Control Features:Enable, Power Good, Reset, Sequencing
Protection Features:Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
Operating Temperature:-40°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:24-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package:24-HTSSOP
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Similar Products

Part Number TPS70451PWP TPS70458PWP TPS70751PWP TPS70851PWP TPS70451PWPR TPS70151PWP TPS70251PWP TPS70351PWP
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active Active Active Active Active
Output Configuration Positive Positive Positive Positive Positive Positive Positive Positive
Output Type Fixed Fixed Fixed Fixed Fixed Fixed Fixed Fixed
Number of Regulators 2 2 2 2 2 2 2 2
Voltage - Input (Max) 6V 6V 6V 6V 6V 6V 6V 6V
Voltage - Output (Min/Fixed) 3.3V, 1.8V 3.3V, 2.5V 3.3V, 1.8V 3.3V, 1.8V 3.3V, 1.8V 3.3V, 1.8V 3.3V, 1.8V 3.3V, 1.8V
Voltage - Output (Max) - - - - - - - -
Voltage Dropout (Max) 0.25V @ 1A, - 0.25V @ 1A, - 0.14V @ 250mA, - 0.14V @ 250mA, - 0.25V @ 1A, - 0.28V @ 500mA, - 0.28V @ 500mA, - 0.25V @ 1A, -
Current - Output 1A, 2A 1A, 2A 250mA, 125mA 250mA, 125mA 1A, 2A 500mA, 250mA 500mA, 250mA 1A, 2A
Current - Quiescent (Iq) 250 µA 250 µA 230 µA 230 µA 250 µA 190 µA 190 µA 250 µA
Current - Supply (Max) - - - - - 230 µA 230 µA -
PSRR 65dB (1kHz), 60dB (1kHz) 65dB (1kHz), 60dB (1kHz) 60dB (1kHz) 60dB (1KHz), 50dB (1kHz) 65dB (1kHz), 60dB (1kHz) 60dB (1kHz) 60dB (1KHz), 50dB (1kHz) 65dB (1kHz), 60dB (1kHz)
Control Features Enable, Power Good, Reset, Sequencing Enable, Power Good, Reset, Sequencing Enable, Power Good, Reset, Sequencing Enable, Power Good, Reset, Sequencing Enable, Power Good, Reset, Sequencing Enable, Power Good, Reset, Sequencing Enable, Power Good, Reset, Sequencing Enable, Power Good, Reset, Sequencing
Protection Features Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) Over Current, Over Temperature, Reverse Polarity, 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 -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 24-TSSOP (0.173", 4.40mm Width) Exposed Pad 24-TSSOP (0.173", 4.40mm Width) Exposed Pad 20-PowerTSSOP (0.173", 4.40mm Width) 20-PowerTSSOP (0.173", 4.40mm Width) 24-TSSOP (0.173", 4.40mm Width) Exposed Pad 20-PowerTSSOP (0.173", 4.40mm Width) 20-PowerTSSOP (0.173", 4.40mm Width) 24-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package 24-HTSSOP 24-HTSSOP 20-HTSSOP 20-HTSSOP 24-HTSSOP 20-HTSSOP 20-HTSSOP 24-HTSSOP

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