TPS78233DDCR - Texas Instruments

Manufacturer Part Number

TPS78233DDCR

Manufacturer

Texas Instruments

Introduction

TPS78233DDCR is a low-dropout linear regulator optimized for powering low-voltage microprocessors.

Product Features and Performance

Positive fixed output type

Single output regulator

Maximum input voltage of 5.5V

Output voltage fixed at 3.3V

Maximum dropout voltage of 0.25V at 150mA load

Output current capacity of 150mA

Very low quiescent current of 1.3 µA

Low supply current of 8 µA maximum

PSRR of 40dB ~ 15dB across 10Hz to 1kHz

Incorporated control features such as Enable

Protection features include overcurrent protection, overtemperature protection, and reverse polarity protection

Product Advantages

Ultra-low quiescent current enhances system power efficiency

High PSRR provides stable output despite variations in input voltage

Broad operating temperature range from -40°C to 125°C suits various environmental conditions

Key Technical Parameters

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 3.3V

Voltage Dropout (Max): 0.25V @ 150mA

Current Output: 150mA

Current Quiescent (Iq): 1.3 µA

Current Supply (Max): 8 µA

PSRR: 40dB ~ 15dB (10Hz ~ 1kHz)

Quality and Safety Features

Overcurrent and overtemperature protection ensure device longevity and reliability

Reverse polarity protection guards against incorrect power connection

Compatibility

Compatible with various microcontrollers and digital systems requiring 3.3V

Application Areas

Ideal for battery-powered devices

Suitable for microcontroller power supply, portable and wireless devices, and low-power applications

Product Lifecycle

Currently active product status

Not reported as nearing discontinuation

Availability of replacements or upgrades should be checked with manufacturer

Several Key Reasons to Choose This Product

Exceptionally low quiescent current ideal for reducing standby power consumption

High power supply rejection ratio ensures stable operation even with noisy input supply

Robust protection features for enhanced reliability and durability

Wide operating temperature range makes it suitable for harsh environments

Simple integration with surface mount technology via SOT-23-THIN package