LT3663HMS8E#PBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High efficiency, low dropout voltage, adjustable output voltage, small package size
• Package: 8-Lead MSOP
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 36V
• Output Voltage Range: 1.24V to 33V
• Output Current: Up to 1.5A
• Quiescent Current: 60µA
• Dropout Voltage: 300mV at 1A load
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3663HMS8E#PBF IC has the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. FB: Feedback Pin
4. VOUT: Output Voltage
5. SS/TR: Soft-Start/Tracking Pin
6. EN: Enable Pin
7. PG: Power Good Pin
8. SW: Switching Node

Functional Features

• High efficiency voltage regulation
• Adjustable output voltage through feedback pin
• Low dropout voltage for improved power conversion efficiency
• Soft-start and tracking capability for controlled startup
• Enable pin for easy on/off control
• Power good pin for monitoring output status

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power dissipation - Wide input and output voltage range allows for versatile applications - Small package size saves board space - Adjustable output voltage provides flexibility

Disadvantages: - Quiescent current may be relatively high for low-power applications - Dropout voltage may limit performance in certain scenarios

Working Principles

The LT3663HMS8E#PBF is a voltage regulator IC that operates by converting an input voltage to a regulated output voltage. It utilizes a switching regulator architecture to achieve high efficiency and low dropout voltage. The feedback pin allows the user to set the desired output voltage, which can be adjusted within the specified range. The enable pin provides control over the regulator's operation, while the power good pin indicates the status of the output voltage. Soft-start and tracking features ensure controlled startup and stable operation.

Detailed Application Field Plans

The LT3663HMS8E#PBF is suitable for various applications where efficient voltage regulation is required. Some potential application fields include:

1. Battery-powered devices: The low dropout voltage and adjustable output voltage make it ideal for battery-powered devices with varying voltage requirements.
2. Industrial automation: The wide input voltage range and high efficiency make it suitable for powering industrial automation systems.
3. Automotive electronics: The robust operating temperature range and small package size make it suitable for automotive applications.
4. Telecommunications: The adjustable output voltage and small form factor make it useful in telecommunications equipment.

Detailed and Complete Alternative Models

1. LT1763: Low dropout linear regulator with adjustable output voltage and similar package options.
2. LT3080: Adjustable linear regulator with higher output current capability and wider input voltage range.
3. LT8610: High efficiency synchronous buck regulator with adjustable output voltage and integrated power switches.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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