LTC3630AMPMSE#PBF

Product Overview

Category: Power Management ICs
Use: Voltage Regulator
Characteristics: High Efficiency, Low Quiescent Current
Package: MSOP-10E
Essence: Step-Down (Buck) Converter
Packaging/Quantity: Tape & Reel (3000 pieces per reel)

Specifications

• Input Voltage Range: 2.25V to 5.5V
• Output Voltage Range: 0.6V to VIN
• Maximum Output Current: 3A
• Switching Frequency: 1MHz
• Efficiency: Up to 95%
• Quiescent Current: 20µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN: Input Voltage
2. GND: Ground
3. SW: Switch Node
4. FB: Feedback Voltage
5. EN: Enable Pin
6. SS: Soft-Start
7. PG: Power Good Indicator
8. VOUT: Output Voltage
9. VCC: Supply Voltage for Internal Circuitry
10. BST: Bootstrap Capacitor Connection

Functional Features

• Wide input voltage range allows for versatile applications.
• High efficiency ensures minimal power loss during conversion.
• Low quiescent current enables energy-efficient operation.
• Power good indicator provides system status monitoring.
• Soft-start feature prevents excessive inrush current.

Advantages and Disadvantages

Advantages: - High efficiency results in longer battery life. - Wide input voltage range accommodates various power sources. - Low quiescent current reduces standby power consumption. - Power good indicator enhances system reliability. - Soft-start feature protects components from excessive stress.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Operating temperature range may restrict usage in extreme environments.

Working Principles

The LTC3630AMPMSE#PBF is a step-down (buck) converter that efficiently converts a higher input voltage to a lower output voltage. It utilizes a high-frequency switching technique to regulate the output voltage while minimizing power loss. The device operates by controlling the duty cycle of the internal switch, which controls the energy transfer from the input to the output. The feedback voltage is compared to a reference voltage to adjust the duty cycle and maintain the desired output voltage.

Detailed Application Field Plans

The LTC3630AMPMSE#PBF is commonly used in various applications requiring voltage regulation, such as:

1. Portable electronic devices: Provides efficient power conversion for smartphones, tablets, and portable media players.
2. Industrial equipment: Suitable for powering sensors, actuators, and control systems in industrial automation.
3. Automotive electronics: Used in automotive infotainment systems, lighting modules, and other vehicle electronics.
4. IoT devices: Enables efficient power management in Internet of Things devices, including smart home devices and wearables.
5. Battery-powered systems: Ideal for extending battery life in applications like wireless communication devices and medical equipment.

Detailed and Complete Alternative Models

1. LTC3630AIMSE#PBF: Similar specifications and features, but available in an MSOP-10 package.
2. LTC3630EMSE#PBF: Higher maximum output current of 4A, suitable for more demanding applications.
3. LTC3630HVMSE#PBF: Designed for high-voltage applications with an extended input voltage range up to 40V.

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