LT3513IUHF#PBF

Product Overview

Category

LT3513IUHF#PBF belongs to the category of integrated circuits (ICs).

Use

The LT3513IUHF#PBF is primarily used as a high voltage, current mode, step-up DC/DC converter.

Characteristics

• High voltage capability
• Current mode control
• Step-up conversion
• Wide input voltage range
• Adjustable output voltage
• Low quiescent current
• Internal compensation
• Programmable soft-start
• Overvoltage protection
• Thermal shutdown

Package

LT3513IUHF#PBF is available in a 16-pin QFN package.

Essence

The essence of LT3513IUHF#PBF lies in its ability to efficiently convert low voltage input to higher voltage output, making it suitable for various applications.

Packaging/Quantity

LT3513IUHF#PBF is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V to 40V
• Output Voltage Range: Up to 60V
• Switching Frequency: 100kHz to 1MHz
• Quiescent Current: 80µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. SW: Switch node connection
3. FB: Feedback pin for output voltage regulation
4. GND: Ground reference
5. VCC: Supply voltage for internal circuitry
6. SS/TR: Soft-start/Tracking pin
7. SYNC: Synchronization input/output
8. RT: Timing resistor for switching frequency control
9. CT: Timing capacitor for switching frequency control
10. PGND: Power ground reference
11. LX: Inductor connection
12. VOUT: Output voltage pin
13. EN/UVLO: Enable/Undervoltage lockout pin
14. SS/TR: Soft-start/Tracking pin
15. SYNC: Synchronization input/output
16. VIN: Input voltage pin

Functional Features

• High efficiency step-up conversion
• Wide input voltage range for versatile applications
• Adjustable output voltage for flexibility
• Internal compensation simplifies design
• Programmable soft-start for controlled startup
• Overvoltage protection safeguards the circuit
• Thermal shutdown prevents overheating

Advantages and Disadvantages

Advantages

• High voltage capability allows for a wide range of applications
• Current mode control provides stability and fast transient response
• Low quiescent current minimizes power consumption
• Internal compensation simplifies external component count
• Programmable soft-start ensures controlled startup
• Overvoltage protection enhances system reliability
• Thermal shutdown protects against overheating

Disadvantages

• Limited to step-up conversion only
• Requires careful consideration of input and output voltage ranges

Working Principles

The LT3513IUHF#PBF operates as a high voltage, current mode, step-up DC/DC converter. It utilizes a switching regulator topology to efficiently convert low voltage input to higher voltage output. The device employs current mode control to provide stability and fast transient response. It features an adjustable output voltage, allowing for flexibility in various applications. The internal compensation simplifies the design by reducing the need for external components. Additionally, the LT3513IUHF#PBF incorporates programmable soft-start, overvoltage protection, and thermal shutdown mechanisms to ensure safe and reliable operation.

Detailed Application Field Plans

The LT3513IUHF#PBF finds applications in various fields, including but not limited to: - Battery-powered devices - Automotive electronics - Industrial equipment - Telecommunications - LED lighting systems - Portable medical devices

Detailed and Complete Alternative Models

1. LT3513EUF#PBF: Similar to LT3513IUHF#PBF but available in a 16-pin TSSOP package.
2. LT3513EUHF#PBF: Similar to LT3513IUHF#PBF but available in a 16-pin QFN package with a different pin configuration.
3. LT3513IFE#PBF: Similar to LT3513IUHF#PBF but operates at a lower temperature range.

These alternative models offer similar functionality and can be considered as substitutes for LT3513IUHF#PBF depending on specific requirements.

In conclusion, the LT3513IUHF#PBF is a high voltage, current mode, step-up DC/DC converter that offers efficient conversion, wide input voltage range, adjustable output voltage, and various protection mechanisms. It finds applications in diverse fields and has alternative models to cater to different needs.