LTC3838IUHF-2#PBF

Product Overview

Category

The LTC3838IUHF-2#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 regulation, power conversion, and battery charging.

Characteristics

• High efficiency: The LTC3838IUHF-2#PBF offers high efficiency power conversion, minimizing energy loss during operation.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Fast transient response: The product exhibits excellent transient response, ensuring stable power delivery even during sudden load changes.
• Low quiescent current: The IC has low quiescent current consumption, reducing power wastage during standby or idle modes.

Package

The LTC3838IUHF-2#PBF is available in a compact and industry-standard 28-lead QFN package. This package ensures efficient heat dissipation and ease of integration into various electronic systems.

Essence

The essence of the LTC3838IUHF-2#PBF lies in its ability to efficiently regulate and convert power, enabling reliable and optimized performance in power management applications.

Packaging/Quantity

The product is typically packaged in reels, with each reel containing a specific quantity of LTC3838IUHF-2#PBF ICs. The exact quantity per reel may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 4V to 60V
• Output Voltage Range: 0.6V to 55V
• Maximum Output Current: 20A
• Switching Frequency: Up to 2MHz
• Operating Temperature Range: -40°C to 125°C
• Control Interface: Analog/PWM

Detailed Pin Configuration

The LTC3838IUHF-2#PBF features a 28-pin QFN package with the following pin configuration:

1. VIN: Input voltage
2. GND: Ground reference
3. VCC: Power supply for internal circuitry
4. SS/TR/UVLO: Soft-start, tracking, and undervoltage lockout control pin
5. FB: Feedback pin for output voltage regulation
6. SYNC: Synchronization input for external clock
7. RT/CLKOUT: Timing resistor/capacitor and clock output
8. CLKIN: Clock input for synchronization
9. PGND: Power ground reference
10. SW: Switching node connection
11. SW: Switching node connection
12. SW: Switching node connection
13. SW: Switching node connection
14. SW: Switching node connection
15. SW: Switching node connection
16. SW: Switching node connection
17. SW: Switching node connection
18. SW: Switching node connection
19. SW: Switching node connection
20. SW: Switching node connection
21. SW: Switching node connection
22. SW: Switching node connection
23. SW: Switching node connection
24. SW: Switching node connection
25. SW: Switching node connection
26. SW: Switching node connection
27. SW: Switching node connection
28. SW: Switching node connection

Functional Features

• Wide input voltage range allows for versatile applications.
• High efficiency power conversion minimizes energy loss.
• Fast transient response ensures stable power delivery during load changes.
• Integrated soft-start and undervoltage lockout enhance system reliability.
• Synchronization input enables precise timing control.

Advantages and Disadvantages

Advantages

• High efficiency power conversion
• Wide input voltage range
• Fast transient response
• Compact package size
• Integrated soft-start and undervoltage lockout

Disadvantages

• Limited maximum output current (20A)
• Requires external synchronization for precise timing control

Working Principles

The LTC3838IUHF-2#PBF operates on the principle of pulse width modulation (PWM) to regulate and convert power. It utilizes an internal control loop to monitor the feedback voltage and adjust the duty cycle of the switching transistor accordingly. This ensures that the output voltage remains stable and within the desired range, even with varying input voltages and load conditions.

Detailed Application Field Plans

The LTC3838IUHF-2#PBF finds extensive application in various fields, including: 1. Industrial automation: Power supply for motor drives, PLCs, and control systems. 2. Automotive electronics: Voltage regulation for automotive lighting, infotainment systems, and powertrain components. 3. Telecommunications: Power management for base stations, routers, and network equipment. 4. Renewable energy: Battery charging and power conversion in solar and wind energy systems. 5. Consumer electronics