LT1963EQ-3.3 - Linear Technology

Manufacturer Part Number

LT1963EQ-3.3

Manufacturer

Linear Technology

Introduction

Integrated Circuit (IC) for Voltage Regulation

Product Features and Performance

Fixed 3.3V output voltage

Output current capability of 1.5A

Wide input voltage range up to 20V

High power supply rejection ratio (PSRR) of 63dB (120Hz)

Integrated protection features: over-current, over-temperature, reverse current, reverse polarity

Low dropout voltage of 0.55V @ 1.5A

Single regulator design

Low quiescent current of 1.5mA

Maximum supply current of 120mA

Product Advantages

Efficient and reliable voltage regulation

Robust protection features

Compact surface mount package

Wide operating temperature range of -40°C to 125°C

Key Technical Parameters

Output Voltage: 3.3V

Output Current: 1.5A

Input Voltage: 20V (max)

PSRR: 63dB (120Hz)

Dropout Voltage: 0.55V @ 1.5A

Number of Regulators: 1

Quiescent Current: 1.5mA

Supply Current: 120mA (max)

Quality and Safety Features

Integrated over-current, over-temperature, reverse current, and reverse polarity protection

Compatibility

Surface mount package (TO-263-6, DPak) suitable for various PCB designs

Application Areas

Voltage regulation in a wide range of electronic devices and systems

Product Lifecycle

This product is an active and widely used linear voltage regulator IC from Linear Technology. There are no plans for discontinuation, and replacements or upgrades are readily available.

Key Reasons to Choose This Product

Reliable and efficient voltage regulation with robust protection features

Wide input voltage range and high PSRR for clean and stable output

Compact surface mount package with low dropout voltage for space-constrained designs

Wide operating temperature range suitable for various environmental conditions

Single regulator design simplifies circuit implementation

Low quiescent and supply current for power-efficient operation