LTC3851EUD-1#PBF

Product Overview

Category

The LTC3851EUD-1#PBF belongs to the category of power management integrated circuits (PMICs).

Use

This PMIC is commonly used in various electronic devices to efficiently manage power conversion and distribution.

Characteristics

• High efficiency power conversion
• Wide input voltage range
• Multiple output channels
• Integrated protection features
• Compact package size

Package

The LTC3851EUD-1#PBF is available in a small outline, 16-pin QFN package.

Essence

The essence of LTC3851EUD-1#PBF lies in its ability to provide efficient power management solutions for electronic devices, ensuring optimal performance and reliability.

Packaging/Quantity

The LTC3851EUD-1#PBF is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 38V
• Output Voltage Range: Adjustable
• Number of Output Channels: 2
• Maximum Output Current: 3A per channel
• Switching Frequency: Up to 2MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3851EUD-1#PBF has a total of 16 pins, each serving a specific function. The pin configuration is as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT1: Output voltage pin for channel 1
4. FB1: Feedback pin for channel 1
5. SS1: Soft-start pin for channel 1
6. EN1: Enable pin for channel 1
7. PG1: Power good indicator pin for channel 1
8. VOUT2: Output voltage pin for channel 2
9. FB2: Feedback pin for channel 2
10. SS2: Soft-start pin for channel 2
11. EN2: Enable pin for channel 2
12. PG2: Power good indicator pin for channel 2
13. SYNC: Synchronization pin
14. RT/CLK: External resistor or clock input pin
15. SW1: Switching node pin for channel 1
16. SW2: Switching node pin for channel 2

Functional Features

• Dual-channel power conversion
• High efficiency synchronous buck operation
• Adjustable output voltage
• Programmable soft-start
• Overcurrent protection
• Thermal shutdown protection
• Power good indicators for each channel
• Synchronization capability with external clock

Advantages and Disadvantages

Advantages

• High efficiency power conversion reduces energy waste
• Wide input voltage range allows compatibility with various power sources
• Multiple output channels enable versatile power distribution
• Integrated protection features enhance device reliability
• Compact package size saves board space

Disadvantages

• Limited maximum output current per channel (3A)

Working Principles

The LTC3851EUD-1#PBF operates on the principle of synchronous buck conversion. It uses high-frequency switching to efficiently step down the input voltage to the desired output voltage levels. The integrated control circuitry ensures stable and regulated output voltages, while the protection features safeguard against overcurrent and thermal issues.

Detailed Application Field Plans

The LTC3851EUD-1#PBF finds applications in a wide range of electronic devices, including but not limited to: - Industrial equipment - Telecommunications systems - Automotive electronics - Consumer electronics - Medical devices

In industrial equipment, it can be used to power motor drives, control systems, and sensors. In telecommunications systems, it can provide power for base stations, routers, and network switches. In automotive electronics, it can be utilized in electric vehicle charging systems, infotainment systems, and advanced driver-assistance systems. In consumer electronics, it can power smartphones, tablets, and gaming consoles. In medical devices, it can be employed in patient monitoring systems, imaging equipment, and portable medical devices.

Detailed and Complete Alternative Models

• LTC3851EUD#PBF
• LTC3851EUD-2#PBF
• LTC3851EUD-3#PBF
• LTC3851EUD-4#PBF
• LTC3851EUD-5#PBF

These alternative models offer similar functionality and characteristics to the LTC3851EUD-1#PBF, with slight variations in specifications or pin configuration.

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