LTC3423EMS#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency - Low quiescent current - Small package size - Wide input voltage range

Package: MSOP-10

Essence: The LTC3423EMS#PBF is a high-efficiency synchronous buck regulator designed for power management applications.

Packaging/Quantity: The LTC3423EMS#PBF is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 0.6V to VIN
• Maximum Output Current: 600mA
• Switching Frequency: 1MHz
• Quiescent Current: 20µA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LTC3423EMS#PBF has the following pin configuration:

1. VIN: Input voltage pin
2. SW: Switching node pin
3. GND: Ground pin
4. FB: Feedback voltage pin
5. EN: Enable pin
6. PG: Power good indicator pin
7. SS: Soft-start pin
8. VOUT: Output voltage pin
9. BST: Bootstrap capacitor pin
10. LX: Inductor connection pin

Functional Features

• High efficiency synchronous buck regulator
• Low dropout voltage
• Adjustable output voltage
• Overcurrent protection
• Thermal shutdown protection
• Power good indicator
• Soft-start function

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range allows for versatile applications - Small package size saves board space - Low quiescent current prolongs battery life

Disadvantages: - Limited maximum output current (600mA) - Requires external components for operation

Working Principles

The LTC3423EMS#PBF is a synchronous buck regulator that converts a higher input voltage to a lower output voltage. It utilizes high-frequency switching to efficiently step down the voltage while minimizing power losses. The regulator operates in continuous mode, ensuring a smooth and stable output voltage.

Detailed Application Field Plans

The LTC3423EMS#PBF can be used in various applications, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Wearable devices - Industrial control systems

Detailed and Complete Alternative Models

1. LTC3422EMS#PBF: Similar specifications and features, but with a different pin configuration.
2. LTC3424EMS#PBF: Higher maximum output current (800mA) and additional protection features.
3. LTC3425EMS#PBF: Lower quiescent current (10µA) and wider input voltage range.

These alternative models provide options based on specific requirements and design considerations.

In conclusion, the LTC3423EMS#PBF is a highly efficient synchronous buck regulator suitable for power management applications. Its small package size, wide input voltage range, and low quiescent current make it an ideal choice for battery-powered and portable devices. However, its limited maximum output current and requirement for external components should be taken into account during design.