LT3990HMSE#PBF

Product Overview

Category

LT3990HMSE#PBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage regulation and power management.

Characteristics

• Integrated circuit
• Voltage regulation
• Power management

Package

LT3990HMSE#PBF comes in a small surface-mount package.

Essence

The essence of this product lies in its ability to regulate voltage and manage power efficiently.

Packaging/Quantity

LT3990HMSE#PBF is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.9V to 60V
• Output Voltage Range: 0.8V to 60V
• Maximum Output Current: 1.5A
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin
4. SW: Switch pin
5. VOUT: Output voltage pin

Functional Features

• Wide input voltage range allows for versatile applications
• High output current capability enables powering various loads
• Adjustable output voltage provides flexibility
• Internal compensation simplifies design
• Low dropout voltage ensures efficient power conversion

Advantages

• Wide input voltage range allows for compatibility with different power sources
• High output current capability enables driving power-hungry devices
• Adjustable output voltage provides customization options
• Internal compensation simplifies circuit design and reduces external component count
• Low dropout voltage minimizes power loss and improves efficiency

Disadvantages

• Limited maximum output current compared to some other ICs in the same category
• Higher cost compared to non-integrated voltage regulators
• Requires careful thermal management due to high power dissipation

Working Principles

LT3990HMSE#PBF operates based on a switching regulator topology. It uses an internal power MOSFET to regulate the output voltage by adjusting the duty cycle of the switching waveform. This allows for efficient power conversion and voltage regulation across a wide input voltage range.

Detailed Application Field Plans

This product finds applications in various fields, including but not limited to: - Automotive electronics - Industrial automation - Telecommunications - Power supplies - Battery-powered devices

Detailed and Complete Alternative Models

1. LT3990HMPSE#PBF: Similar to LT3990HMSE#PBF, but with a different package (power SO-16)
2. LT3990IMSE#PBF: Lower maximum output current (1A) but otherwise similar specifications
3. LT3990EMSE#PBF: Higher maximum output current (2A) but otherwise similar specifications

These alternative models provide options with varying output current capabilities to suit different application requirements.

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