LTC3807IFE#PBF

Product Overview

Category

LTC3807IFE#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This product is primarily used in various power management systems, including but not limited to voltage regulators, battery chargers, and DC-DC converters.

Characteristics

• High efficiency: The LTC3807IFE#PBF offers high conversion efficiency, ensuring optimal power utilization.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Compact package: This IC is available in a small form factor package, allowing for space-efficient designs.
• Low power consumption: The LTC3807IFE#PBF itself consumes minimal power, contributing to overall system energy efficiency.

Package

The LTC3807IFE#PBF is packaged in an industry-standard 20-lead TSSOP (Thin Shrink Small Outline Package), which provides mechanical robustness and ease of integration into circuit boards.

Essence

The essence of LTC3807IFE#PBF lies in its ability to efficiently manage power in various electronic systems, enabling reliable and optimized performance.

Packaging/Quantity

This product is typically supplied in reels or tubes, with each reel/tube containing a specific quantity of LTC3807IFE#PBF ICs. The exact quantity may vary depending on the supplier and customer requirements.

Specifications

• Input Voltage Range: 4V to 36V
• Output Voltage Range: 0.8V to 34V
• Maximum Output Current: 2A
• Switching Frequency: Up to 1MHz
• Operating Temperature Range: -40°C to 125°C
• Control Interface: Analog/PWM

Detailed Pin Configuration

The LTC3807IFE#PBF features a 20-pin TSSOP package with the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. FB: Feedback Pin
4. COMP: Compensation Pin
5. SS/TR/UVLO: Soft-Start, Tracking, and Undervoltage Lockout
6. VCC: Power Supply for Internal Circuitry
7. SYNC: Synchronization Input
8. RT/CLKOUT: Oscillator Timing Resistor and Clock Output
9. CLKIN: External Clock Input
10. PGND: Power Ground
11. SW: Switch Node
12. BOOT: Bootstrap Capacitor Connection
13. LX: Inductor Connection
14. SS/TR/UVLO: Soft-Start, Tracking, and Undervoltage Lockout
15. VCC: Power Supply for Internal Circuitry
16. SYNC: Synchronization Input
17. RT/CLKOUT: Oscillator Timing Resistor and Clock Output
18. CLKIN: External Clock Input
19. PGND: Power Ground
20. SW: Switch Node

Functional Features

The LTC3807IFE#PBF offers several functional features that enhance its performance and usability in power management applications:

• Wide input voltage range allows compatibility with various power sources.
• Adjustable output voltage enables flexibility in meeting specific system requirements.
• High switching frequency capability facilitates compact designs and reduces the size of external components.
• Integrated soft-start and undervoltage lockout ensure safe and reliable operation during startup and under low voltage conditions.
• Synchronization input allows for synchronization with an external clock source, enabling system-level coordination.

Advantages and Disadvantages

Advantages

• High efficiency leads to improved power utilization and reduced energy waste.
• Wide input voltage range enhances versatility and compatibility with different power sources.
• Compact package enables space-efficient designs.
• Low power consumption contributes to overall system energy efficiency.

Disadvantages

• Limited maximum output current may restrict its use in high-power applications.
• Analog/PWM control interface may require additional circuitry for digital control integration.

Working Principles

The LTC3807IFE#PBF operates based on a pulse-width modulation (PWM) control scheme. It utilizes an internal oscillator to generate switching signals that control the power switches, regulating the output voltage according to the feedback received from the FB pin. By adjusting the duty cycle of the switching signals, the IC maintains the desired output voltage within a specified range.

Detailed Application Field Plans

The LTC3807IFE#PBF finds application in various power management systems, including but not limited to: - Voltage regulators for electronic devices and appliances - Battery chargers for portable electronics and electric vehicles - DC-DC converters for efficient power conversion in industrial and automotive systems

Detailed and Complete Alternative Models

For those seeking alternative options, the following integrated circuits can be considered as alternatives to LTC3807IFE#PBF: - LM2576-ADJ: A step-down voltage regulator with adjustable output voltage and similar input voltage range. - LT8610AB