LT1763MPDE#PBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High PSRR, Low Noise
• Package: DFN-8 (2mm x 3mm)
• Essence: Linear Technology's high-performance voltage regulator
• Packaging/Quantity: Tape & Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 1.8V to 20V
• Output Voltage Range: 1.21V to 15V
• Output Current: Up to 500mA
• Dropout Voltage: 300mV at 500mA
• Quiescent Current: 40µA
• PSRR: 70dB at 1kHz
• Noise: 30µVRMS (10Hz to 100kHz)
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1763MPDE#PBF has a total of 8 pins:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. BYP: Bypass capacitor pin
5. VOUT: Output voltage pin
6. NC: No connection pin
7. NC: No connection pin
8. NC: No connection pin

Functional Features

• Low dropout voltage for efficient regulation
• High power supply rejection ratio (PSRR) for noise-sensitive applications
• Low output noise for clean power supply
• Thermal shutdown and current limit protection
• Fast transient response for rapid load changes
• Adjustable output voltage with external resistors
• Low quiescent current for power-saving operation

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications
• High PSRR ensures stable output even in noisy environments
• Low dropout voltage minimizes power dissipation
• Small package size enables space-constrained designs
• Excellent line and load regulation for precise voltage control

Disadvantages

• Limited output current may not be suitable for high-power applications
• Requires external bypass capacitor for optimal performance

Working Principles

The LT1763MPDE#PBF is a linear voltage regulator that provides a stable output voltage regardless of variations in the input voltage or load conditions. It achieves this by using a pass transistor to regulate the voltage drop across it. The regulator compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain the desired output voltage.

Detailed Application Field Plans

The LT1763MPDE#PBF is commonly used in various electronic devices and systems, including:

1. Battery-powered devices: Provides regulated power supply for portable electronics such as smartphones, tablets, and wearable devices.
2. Industrial equipment: Ensures stable voltage for sensors, actuators, and control systems in industrial automation.
3. Automotive electronics: Regulates power for infotainment systems, navigation units, and other automotive applications.
4. Communication systems: Supplies clean power to RF modules, transceivers, and base stations for reliable signal transmission.
5. Medical devices: Offers precise voltage regulation for medical instruments, patient monitoring systems, and diagnostic equipment.

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable voltage regulator with similar specifications and package.
2. ADP3339AKCZ-2.5-R7: Fixed 2.5V voltage regulator with low dropout and small package.
3. MAX6035AAUR25-T: Ultra-low dropout voltage regulator with adjustable output voltage.

These alternative models provide similar functionality and can be considered as substitutes for the LT1763MPDE#PBF in various applications.

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