LD29150PT33R

Description：IC REG LINEAR 3.3V 1.5A PPAK
Series：-
Mfr：STMicroelectronics
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:c4ba4b025510 Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: STMicroelectronics

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Product introduction

Product Detailed Parameters

Description：IC REG LINEAR 3.3V 1.5A PPAK
Series：-
Mfr：STMicroelectronics
Package：Tape & Reel (TR),Cut Tape (CT)
Output Configuration：Positive
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：14V
Voltage - Output (Min/Fixed)：3.3V
Voltage - Output (Max)：-
Voltage Dropout (Max)：0.7V @ 1.5A
Current - Output：1.5A
Current - Quiescent (Iq)：180 µA
Current - Supply (Max)：80 mA
PSRR：67dB (120Hz)
Control Features：Enable
Protection Features：Over Current, Over Temperature
Operating Temperature：-40°C ~ 125°C
Mounting Type：Surface Mount
Package / Case：TO-252-5, DPAK (4 Leads + Tab), TO-252AD
Supplier Device Package：PPAK
Grade：-
Qualification：-

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LD29150PT33R

Overview

The LD29150PT33R is a fixed-output low-dropout linear voltage regulator manufactured by STMicroelectronics. It provides a stable 3.3V output with a maximum continuous current of 1.5A. The device operates within an input voltage range of 3.5V to 14V and features a typical dropout voltage of 400mV at full load. It includes internal thermal overload and short-circuit protection circuits. The component is housed in a PPAK surface-mount package, suitable for applications requiring high accuracy and efficient power management in space-constrained designs.

Feature Summary

Guarantees high output current capability up to 1.5A for demanding loads
Features very low dropout voltage characteristics for efficient power regulation
Includes built-in thermal shutdown and current limiting protection mechanisms

Applications

Post-regulation stages in switching power supplies
Battery-powered portable electronic systems
Series power supply modules for computer peripherals

Procurement Notes

Verify the specific suffix 'PT33R' against official STMicroelectronics documentation to confirm the exact output voltage and package variant. Ensure compatibility with the target PCB footprint and thermal requirements. Confirm RoHS compliance status and check for any active lifecycle notices or obsolescence warnings before finalizing procurement plans.

Selection Notes

Select this component when a fixed 3.3V rail is required with significant current drive capabilities. Consider the PPAK package for its thermal performance advantages over standard DPAK variants. Evaluate the input-to-output voltage differential to ensure operation remains within the specified dropout limits under all expected load conditions.

Part Context

This part belongs to the LD29150 series of high-current LDO regulators designed for general-purpose power management. The series offers various fixed output voltages and adjustable options across different package types including TO-220, DPAK, and PPAK. It serves as a robust solution for stabilizing voltages in consumer electronics and industrial control systems.