LT8672HMS#PBF

Product Overview

Category

LT8672HMS#PBF belongs to the category of integrated circuits (ICs).

Use

The LT8672HMS#PBF is primarily used as a power management solution in various electronic devices.

Characteristics

• High efficiency power conversion
• Wide input voltage range
• Low quiescent current
• Compact package size
• Robust protection features

Package

The LT8672HMS#PBF is available in a small MSOP-16 package, which ensures easy integration into different circuit designs.

Essence

The essence of LT8672HMS#PBF lies in its ability to efficiently convert and manage power supply voltages for electronic devices.

Packaging/Quantity

The LT8672HMS#PBF is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4V to 80V
• Output Voltage Range: 0.8V to 60V
• Maximum Output Current: 3A
• Quiescent Current: 20µA
• Switching Frequency: 550kHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground pin
3. SW: Switching node pin
4. FB: Feedback pin
5. SS: Soft-start pin
6. EN: Enable pin
7. VOUT: Output voltage pin
8. PGND: Power ground pin

Functional Features

• Wide input voltage range allows compatibility with various power sources.
• High efficiency power conversion minimizes energy loss.
• Integrated protection features such as overvoltage and overcurrent protection ensure safe operation.
• Soft-start function prevents excessive inrush current during startup.
• Enable pin allows for easy control of the device's operation.

Advantages and Disadvantages

Advantages

• High efficiency power conversion results in energy savings.
• Wide input voltage range provides flexibility in power source selection.
• Compact package size enables space-saving designs.
• Robust protection features enhance device reliability.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Higher cost compared to some alternative models.

Working Principles

The LT8672HMS#PBF operates as a step-down (buck) switching regulator. It uses a high-frequency switching technique to efficiently convert the input voltage to the desired output voltage. The integrated control circuitry ensures stable and regulated output voltage, while the protection features safeguard against potential faults or abnormalities.

Detailed Application Field Plans

The LT8672HMS#PBF finds applications in various fields, including but not limited to: 1. Automotive electronics 2. Industrial automation 3. Telecommunications 4. Consumer electronics 5. Power supply modules

In automotive electronics, it can be used for powering infotainment systems, lighting modules, and other onboard devices. In industrial automation, it can provide efficient power management for control systems and motor drives. Telecommunications equipment can benefit from its wide input voltage range and high efficiency. In consumer electronics, it can be utilized in portable devices, audio/video equipment, and more. Additionally, it is suitable for power supply modules used in various electronic systems.

Detailed and Complete Alternative Models

1. LT8609S#PBF: Similar specifications with a lower maximum output current of 2A.
2. LT8640S#PBF: Higher maximum output current of 4A, suitable for higher power applications.
3. LT8610S#PBF: Lower quiescent current of 10µA, ideal for low-power applications.
4. LT8645S#PBF: Higher switching frequency of 1MHz, enabling smaller external components.

These alternative models offer different trade-offs in terms of output current, quiescent current, and switching frequency, allowing designers to choose the most suitable option based on their specific requirements.

In conclusion, the LT8672HMS#PBF is a versatile power management IC that offers high efficiency, wide input voltage range, and robust protection features. Its compact package size and integrated control circuitry make it an ideal choice for various electronic devices across different industries.