LT8608HDC#TRPBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current, Wide Input Voltage Range
• Package: 16-Lead (4mm × 3mm) DFN
• Essence: Step-Down DC/DC Converter
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 3V to 42V
• Output Voltage Range: 0.8V to 24V
• Switching Frequency: Up to 2MHz
• Quiescent Current: 2.5µA
• Maximum Output Current: 2.5A
• Efficiency: Up to 96%
• 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 Pin
5. VCC: IC Supply Voltage
6. SS: Soft-Start Pin
7. PG: Power Good Indicator
8. SYNC/SS/TRK: Synchronization, Soft-Start, or Tracking Control Pin
9. RT: Oscillator Frequency Setting
10. BST: Bootstrap Capacitor Connection
11. COMP: Compensation Pin
12. SS/TRK: Soft-Start or Tracking Control Pin
13. AGND: Analog Ground
14. PGND: Power Ground
15. LX: Inductor Connection
16. VOUT: Output Voltage

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.
• Adjustable output voltage provides flexibility.
• Synchronization capability for multi-phase operation.
• Power good indicator for system monitoring.
• Soft-start and tracking control for smooth startup.

Advantages

• High efficiency results in reduced power consumption.
• Wide input voltage range accommodates various power sources.
• Low quiescent current prolongs battery life.
• Compact package size saves board space.
• Versatile synchronization and control options enhance flexibility.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Requires external components for proper operation.
• Higher cost compared to non-integrated solutions.

Working Principles

The LT8608HDC#TRPBF is a step-down DC/DC converter that efficiently converts a higher input voltage to a lower output voltage. It utilizes a synchronous switching architecture to minimize power loss during conversion. The integrated circuit regulates the output voltage based on feedback from the FB pin, adjusting the duty cycle of the internal switches to maintain the desired voltage level. The device operates at a high switching frequency, allowing for smaller external components and reducing overall solution size.

Detailed Application Field Plans

The LT8608HDC#TRPBF is suitable for a wide range of applications, including:

1. Industrial Automation: Powering sensors, actuators, and control systems.
2. Automotive Electronics: Providing stable power supply for infotainment systems, lighting, and motor control.
3. Telecommunications: Powering base stations, routers, and network equipment.
4. Consumer Electronics: Enabling efficient power management in smartphones, tablets, and portable devices.
5. Renewable Energy: Regulating power in solar panels, wind turbines, and energy storage systems.

Detailed and Complete Alternative Models

1. LT8608S: Similar specifications but with a different package (12-Lead MSOP).
2. LT8608H: Higher maximum output current (up to 4A) but with a larger package (20-Lead TSSOP).
3. LT8608L: Lower maximum output current (up to 1.5A) but with a smaller package (10-Lead MSOP).

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