LT1764EQ-3.3#PBF - Analog Devices Inc.

Manufacturer Part Number

LT1764EQ-3.3#PBF

Manufacturer

Analog Devices

Introduction

The LT1764EQ-3.3#PBF is a low drop out linear regulator designed for Power Management, specifically in applications requiring low noise and low dropout voltage.

Product Features and Performance

Fixed output voltage of 3.3V

Maximum input voltage of 20V

Output current capability of 3A

Low dropout voltage of 0.66V at 3A

Power Supply Rejection Ratio (PSRR) of 63dB at 120Hz

Operates with a quiescent current of 1.5 mA

Product Advantages

High output current capability

Low dropout voltage enhances efficiency

Reverse polarity and over temperature protection for improved safety

Enable control feature for power management flexibility

Key Technical Parameters

Voltage - Input (Max): 20V

Voltage - Output (Min/Fixed): 3.3V

Current - Output: 3A

Voltage Dropout (Max): 0.66V @ 3A

Current - Quiescent (Iq): 1.5 mA

PSRR: 63dB (120Hz)

Quality and Safety Features

Protection against over current and over temperature

Reverse polarity protection

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

Compatibility

Compatible with surface mount technology

Packaged in a TO-263-6, D2PAK (5 Leads + Tab), TO-263BA

Suitable for use in various electronic applications requiring a 3.3V fixed output

Application Areas

Ideal for power-sensitive applications in telecommunications

Suitable for portable electronics, computing devices, and instrumentation

Product Lifecycle

Product status: Active

No indications of nearing discontinuation, ensuring long-term availability

Several Key Reasons to Choose This Product

High efficiency due to low dropout voltage at higher currents

Robust protection features enhance product reliability and safety

Low quiescent current advantageous for power-sensitive applications

High PSRR at lower frequencies ensures stability in noisy environments

Flexible application range due to broad operating temperature range and high current output capability