TPS73633DCQR - Texas Instruments

Manufacturer Part Number

TPS73633DCQR

Manufacturer

Texas Instruments

Introduction

The TPS73633DCQR is a low dropout (LDO) linear voltage regulator that provides efficient, stable power supply with a fixed output voltage of 3.3V, designed for a range of applications that demand low power consumption and high performance.

Product Features and Performance

Fixed output voltage: 3.3V

Low dropout voltage: 0.2V at 400mA load

Output current: up to 400mA

Low quiescent current: 550 µA

High PSRR: 58dB at 100Hz and 37dB at 10kHz

Over current, over temperature, and reverse polarity protection

Control feature: Enable pin for easy on/off control

Operating temperature range: -40°C to 125°C

Product Advantages

High efficiency due to low dropout voltage

Excellent load and line regulation

Minimal power loss during operation

Robust thermal and electrical protection enhances reliability

Compact SOT-223-6 package ideal for space-constrained applications

Key Technical Parameters

Input voltage (max): 5.5V

Output voltage: 3.3V fixed

Dropout voltage: 0.2V @ 400mA

Output current: 400mA

Quiescent current: 550 µA

Supply current (max): 1 mA

Power Supply Rejection Ratio (PSRR): 58dB ~ 37dB (100Hz ~ 10kHz)

Quality and Safety Features

Over current and over temperature protection

Reverse polarity protection

Compliance with industry safety and quality standards

Compatibility

Compatible with a variety of digital and analog circuits

Suitable for use in systems requiring 3.3V power supply

Application Areas

Consumer electronics

Industrial controls

Telecommunication equipment

Portable devices

Product Lifecycle

Status: Active

Not nearing discontinuation; long-term availability supported

Future upgrades or replacements available as technology progresses

Several Key Reasons to Choose This Product

Stable, low-noise power output enhances overall system performance

Low dropout enables efficient use even in low input voltage scenarios

Compact size and compatibility make integration into existing designs seamless

Extensive protection features ensure reliability and longevity in harsh environments

Backed by Texas Instruments' reputation and support in the industry