LTC3370EUH

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

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

Package: 32-Lead QFN

Essence: The LTC3370EUH is a versatile power management IC designed for various applications that require multiple output voltages with high efficiency and low power consumption.

Packaging/Quantity: The LTC3370EUH is available in a 32-Lead QFN package. The quantity per package may vary depending on the supplier.

Specifications

The LTC3370EUH has the following specifications:

• Input Voltage Range: 2.25V to 5.5V
• Output Voltage Range: Programmable from 0.8V to VIN
• Number of Outputs: 3
• Maximum Output Current: Up to 1A per channel
• Quiescent Current: 35µA (typical)
• Efficiency: Up to 95%
• Switching Frequency: Adjustable up to 4MHz

Detailed Pin Configuration

The LTC3370EUH features a 32-Lead QFN package with the following pin configuration:

1. VIN - Input Voltage
2. GND - Ground
3. SW1 - Switching Node 1
4. SW2 - Switching Node 2
5. SW3 - Switching Node 3
6. VOUT1 - Output Voltage 1
7. VOUT2 - Output Voltage 2
8. VOUT3 - Output Voltage 3
9. FB1 - Feedback Input 1
10. FB2 - Feedback Input 2
11. FB3 - Feedback Input 3
12. EN1 - Enable Input 1
13. EN2 - Enable Input 2
14. EN3 - Enable Input 3
15. VCC - Supply Voltage
16. PGND - Power Ground

(Note: The remaining pins are not listed here for brevity.)

Functional Features

The LTC3370EUH offers the following functional features:

• Triple output buck regulators
• Programmable output voltages
• Independent enable inputs for each channel
• Power good (PGOOD) indicator
• Adjustable switching frequency
• Soft-start and tracking capabilities
• Overcurrent and overtemperature protection

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Low quiescent current for improved battery life - Small package size for space-constrained applications - Wide input voltage range for versatility - Multiple output voltages for flexibility

Disadvantages: - Limited maximum output current per channel (up to 1A)

Working Principles

The LTC3370EUH operates as a triple output buck regulator, converting the input voltage to three programmable output voltages. It utilizes high-frequency switching to achieve high efficiency power conversion. The enable inputs allow independent control of each output channel, while the power good indicator provides feedback on the status of the outputs. The device also incorporates various protection mechanisms to ensure safe operation.

Detailed Application Field Plans

The LTC3370EUH is suitable for a wide range of applications that require multiple output voltages with high efficiency and low power consumption. Some potential application fields include:

1. Portable electronic devices
2. Battery-powered systems
3. Industrial automation
4. Automotive electronics
5. IoT devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LTC3370EUH are:

1. LT8610EUH: Triple Output Synchronous Buck Regulator
2. LTC3371EUH: Triple Output Buck Regulator with PowerPath Control
3. LT8611EUH: Triple Output Synchronous Step-Down Regulator

(Note: The list of alternative models can vary depending on the specific requirements and availability in the market.)

This entry provides an overview of the LTC3370EUH, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.