LT3508HUF#PBF

Product Overview

Category

The LT3508HUF#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various electronic devices and systems to regulate and control power supply voltages efficiently.

Characteristics

• High efficiency: The LT3508HUF#PBF offers high conversion efficiency, minimizing power losses during voltage regulation.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Low quiescent current: The IC has a low quiescent current, reducing power consumption when the load is light.
• Adjustable output voltage: The output voltage can be easily adjusted according to the specific requirements of the application.

Package

The LT3508HUF#PBF is available in a compact and industry-standard package, such as a 16-pin QFN (Quad Flat No-Lead) package.

Essence

The essence of the LT3508HUF#PBF lies in its ability to efficiently regulate and control power supply voltages, ensuring stable and reliable operation of electronic devices.

Packaging/Quantity

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

Specifications

• Input Voltage Range: 2.5V to 45V
• Output Voltage Range: 0.6V to 42V
• Maximum Output Current: 3A
• Switching Frequency: Up to 2MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. SW: Switching node connection
3. GND: Ground reference pin
4. FB: Feedback pin for output voltage regulation
5. SS: Soft-start capacitor connection
6. VCC: Supply voltage for internal circuitry
7. PGND: Power ground reference pin
8. SYNC: Synchronization input pin
9. RT/CLKOUT: External resistor/capacitor connection for frequency setting or clock output
10. CLKIN: Clock input pin
11. SS/TRK: Soft-start/tracking capacitor connection
12. EN/UVLO: Enable/Undervoltage lockout control pin
13. BST: Bootstrap capacitor connection
14. LX: Inductor connection
15. COMP: Compensation pin for stability optimization
16. VOUT: Output voltage pin

Functional Features

• Wide input voltage range allows compatibility with various power sources.
• High efficiency conversion minimizes power losses and maximizes power utilization.
• Adjustable output voltage enables customization for specific application requirements.
• Synchronization input facilitates synchronization with external clock signals.
• Soft-start and tracking capabilities ensure smooth startup and operation.

Advantages and Disadvantages

Advantages

• High efficiency operation
• Wide input voltage range
• Adjustable output voltage
• Compact package size
• Synchronization capability

Disadvantages

• Limited maximum output current (3A)
• Requires external components for proper operation

Working Principles

The LT3508HUF#PBF operates based on a switching regulator topology, specifically a buck-boost converter. It utilizes high-frequency switching to efficiently regulate the output voltage regardless of whether the input voltage is higher or lower than the desired output voltage. By controlling the duty cycle of the switching signal, the IC adjusts the energy transfer from the input to the output, ensuring stable and regulated output voltage.

Detailed Application Field Plans

The LT3508HUF#PBF finds applications in various fields, including but not limited to: - Portable electronic devices - Automotive systems - Industrial equipment - Telecommunications - Power supplies

Detailed and Complete Alternative Models

1. LT3508AUF#PBF
2. LT3508IUF#PBF
3. LT3508EUF#PBF
4. LT3508CUF#PBF
5. LT3508HMP#PBF

These alternative models offer similar functionality and characteristics, providing flexibility in choosing the most suitable IC for specific applications.

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