LT3500EMSE#TRPBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current, Wide Input Voltage Range
• Package: MSOP-12
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 45V
• Output Voltage Range: 1.22V to 38V
• Output Current: Up to 3.5A
• Quiescent Current: 40µA
• Switching Frequency: 1MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN: Input Voltage
2. GND: Ground
3. FB: Feedback Pin
4. SS: Soft-Start Pin
5. EN: Enable Pin
6. PG: Power Good Indicator
7. SW: Switch Node
8. SW: Switch Node
9. VOUT: Output Voltage
10. VOUT: Output Voltage
11. VOUT: Output Voltage
12. VOUT: Output Voltage

Functional Features

• High Efficiency: The LT3500EMSE#TRPBF offers high efficiency, ensuring minimal power loss during voltage regulation.
• Low Quiescent Current: With a low quiescent current of only 40µA, the IC minimizes power consumption in standby mode.
• Wide Input Voltage Range: The device can handle input voltages ranging from 2.7V to 45V, making it suitable for various applications.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power dissipation. - Low quiescent current minimizes standby power consumption. - Wide input voltage range allows for versatile use.

Disadvantages: - Limited output current of up to 3.5A may not be sufficient for high-power applications. - The MSOP-12 package might require additional thermal management for certain scenarios.

Working Principles

The LT3500EMSE#TRPBF is a voltage regulator IC that utilizes a buck topology to step down the input voltage to a desired output voltage. It employs a high-frequency switching technique to achieve efficient voltage conversion. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle of the internal switch to maintain a stable output. The soft-start pin (SS) controls the startup behavior, gradually ramping up the output voltage to prevent excessive inrush current. The enable pin (EN) provides control over the device's operation, allowing it to be turned on or off as needed.

Detailed Application Field Plans

The LT3500EMSE#TRPBF finds applications in various fields, including:

1. Automotive: Power management in automotive systems, such as infotainment systems, lighting, and motor control.
2. Industrial: Voltage regulation for industrial equipment, including factory automation, robotics, and power supplies.
3. Telecommunications: Power management in telecommunications infrastructure, such as base stations, routers, and switches.
4. Consumer Electronics: Voltage regulation for portable devices, home appliances, and audio/video equipment.

Detailed and Complete Alternative Models

1. LT3500EMSE#PBF: Similar to LT3500EMSE#TRPBF but supplied in a tube packaging.
2. LT3500EMSE#PBF-ND: Same as LT3500EMSE#PBF, available through Digi-Key Electronics.
3. LT3500EMSE#TRMPBF: Tape & Reel packaging with 3000 units per reel.

Note: The above alternative models are functionally equivalent to LT3500EMSE#TRPBF but may differ in packaging or quantity.

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