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LP38691SD-3.3/NOPB

TILP38691SD-3.3/NOPB

Texas Instruments
Linear Voltage Regulator IC Positive Fixed 1 Output 500mA 6-WSON (3x3)
NRND30,664 in stock
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Overview

The LP38691SD-3.3/NOPB is a positive fixed output linear voltage regulator from Texas Instruments. It provides a stable 3.3V output with up to 500mA of current, making it suitable for a variety of power management applications. This LDO features low quiescent current and is housed in a compact 6-WSON package.

Why Choose This Part

This regulator offers a fixed 3.3V output with a current capability of 500mA, simplifying power supply design for common digital logic. Its low quiescent current of 55uA helps minimize power consumption in active modes. The compact 3x3mm 6-WSON package saves board space, and integrated thermal overload protection and foldback current limiting enhance system reliability.

Applications

General Purpose 3.3V Power Rails
Supplying stable 3.3V power to microcontrollers, sensors, and other digital components in embedded systems.
Battery-Powered Devices
Its low shutdown current of 1uA makes it suitable for power-sensitive, battery-operated applications where extending battery life is critical.
Portable Electronic Devices
Providing a regulated voltage supply in portable gadgets requiring a compact power solution and low noise.
Noise-Sensitive Analog Circuits
With a low output noise of 0.7 nV/rtHz, it can power analog components where clean power is essential for signal integrity.

Key Specifications

PSRR 55dB (120Hz)
Output Type Fixed
Mounting Type Surface Mount
Package / Case 6-WDFN Exposed Pad
Current - Output 500mA
Protection Features Over Temperature
Number of Regulators 1
Output Configuration Positive
Operating Temperature -40degC ~ 125degC
Voltage - Input (Max) 10V
Voltage Dropout (Max) 0.55V @ 500mA
Current - Supply (Max) 100 uA
Supplier Device Package 6-WSON (3x3)
Current - Quiescent (Iq) 55 uA
Voltage - Output (Min/Fixed) 3.3V

Getting Started

To get started with the LP38691SD-3.3/NOPB, integrate it into your custom PCB design following the recommended layout guidelines in the datasheet for proper thermal dissipation. Standard LDO application circuits typically require input and output capacitors for stability. No dedicated development board is specifically required for this general-purpose LDO.

Categories

Power Management > LDO Voltage Regulators Microcontrollers > Texas Instruments