TPS70445PWP The Texas Instruments TPS70445PWP is a dual-channel ultra-low-dropout linear voltage regulator. It offers fixed 3.3V and 1.2V outputs with independent enable and power good functions.
Mfr Part #:

TPS70445PWP

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPS70445PWP is a dual-channel ultra-low-dropout linear voltage regulator. It offers fixed 3.3V and 1.2V outputs with independent enable and power good functions.
✓ Total Stock: 11,251 pcs
$ Price Range: $4.53

TPS70445PWP Available from 3 distributors

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✓ Non-Authorised
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7,861 pcs
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2,390 pcs
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1,000 pcs
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TPS70445PWP Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accuracy
Control Features
Current
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Type
PSRR
Protection Features
Quiescent Current
Supplier Device Package
Voltage
Voltage Dropout (Max)

TPS70445PWP Description

Short technical summary and product information.

The Texas Instruments TPS70445PWP is a dual-channel, ultra-low-dropout (LDO) linear voltage regulator designed for split-supply applications. This device provides fixed output voltages, including a 3.3V output and a 1.2V output, suitable for various power management needs.

 

Key electrical characteristics include an output current capability of 250 µA, a low quiescent current of 185 µA typical, and a dropout voltage of 0.25V at 1A. The regulator features independent enable pins, power good signals for both outputs, and an open-drain power-on reset with a 120ms delay. It also includes protection features such as over current, over temperature, reverse polarity, and undervoltage lockout (UVLO).

 

The TPS70445PWP operates over a temperature range of -40°C to 125°C. It is housed in a 24-pin HTSSOP package, specifically a 24-PowerTSSOP with a 0.173" (4.40mm) width, designed for surface mounting.

 

This regulator is noted as 'Not Recommended for New Designs', suggesting that alternative, more current parts should be considered for new projects. However, it remains a viable option for existing designs or replacements where its specific features are required.

TPS70445PWP Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: Texas Instruments TPS70445PWP Dual-Channel Ultra-Low-Dropout Voltage Regulator with Power Good & Independent Enable
Subcategory: Low-Dropout (LDO) Regulators

TPS70445PWP Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TPS70445PWP Estimated Pricing

Qty Low High
1+ $4.53 $4.53

Estimated market price range - modelled values for guidance only, not live distributor offers.

TPS70445PWP Features

  • Dual output voltages for split-supply applications.
  • Independent enable and power good functions.
  • Ultra-low 185µA quiescent current.
  • Fast transient response.
  • 24-pin PowerPAD™ TSSOP package.

TPS70445PWP Applications

  • Ideal for split-rail power supplies.
  • Suitable for battery-powered devices.
  • Used in systems requiring power sequencing.
  • Provides stable voltage regulation.

TPS70445PWP FAQs

7 frequently asked questions generated from this part’s specifications.
What package is the TPS70445PWP available in?

The TPS70445PWP is available in a 24-HTSSOP (also called 24-PowerTSSOP) surface-mount package.

What is the operating temperature range of the TPS70445PWP?

The device operates over a junction temperature range of -40°C to 125°C.

What are the output voltages of the TPS70445PWP?

The regulator provides fixed output voltages of 3.3V and 1.2V.

What is the output current capability of the TPS70445PWP?

Each output can supply a typical output current of 250µA.

What is the dropout voltage of the TPS70445PWP?

The maximum dropout voltage is 0.25V at a 1A load.

What control features does the TPS70445PWP include?

It includes enable inputs, power-good output, reset function, and sequencing capability.

What protection features are implemented in the TPS70445PWP?

Protection features include over-current, over-temperature, reverse polarity, and undervoltage lockout (UVLO).

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