LT3513IUHF#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency step-up DC/DC converter - Wide input voltage range: 1.8V to 5.5V - Output voltage up to 34V - Adjustable switching frequency: 200kHz to 2MHz - Internal soft-start - Low shutdown current: <1µA - Thermal shutdown protection - Small package size: 16-Lead QFN

Package: 16-Lead QFN (Quad Flat No-Lead)

Essence: The LT3513IUHF#TRPBF is a high-efficiency step-up DC/DC converter designed for power management applications. It provides a compact and efficient solution for boosting low input voltages to higher output voltages.

Packaging/Quantity: The LT3513IUHF#TRPBF is available in a 16-Lead QFN package. The quantity per reel is 2500 units.

Specifications

Input Voltage Range: 1.8V to 5.5V
Output Voltage Range: Up to 34V
Switching Frequency: Adjustable from 200kHz to 2MHz
Maximum Output Current: 1.5A
Shutdown Current: <1µA
Operating Temperature Range: -40°C to 125°C
Package Type: 16-Lead QFN

Detailed Pin Configuration

The LT3513IUHF#TRPBF has the following pin configuration:

VIN: Input voltage pin
SW: Switch node connection
FB: Feedback voltage pin
GND: Ground pin
PGND: Power ground pin
VOUT: Output voltage pin
VCC: Supply voltage pin
SS: Soft-start pin
RT: External resistor for setting switching frequency
BST: Boost capacitor connection
EN/UVLO: Enable/Undervoltage lockout pin
SYNC: Synchronization input pin
MODE: Mode selection pin
AGND: Analog ground pin
NC: No connect
NC: No connect

Functional Features

High efficiency step-up DC/DC conversion
Wide input voltage range allows for versatile applications
Adjustable switching frequency for optimization
Internal soft-start for controlled startup
Thermal shutdown protection ensures safe operation
Small package size enables compact designs

Advantages and Disadvantages

Advantages: - High efficiency conversion - Wide input voltage range - Adjustable switching frequency - Internal soft-start for controlled startup - Thermal shutdown protection

Disadvantages: - Limited maximum output current (1.5A)

Working Principles

The LT3513IUHF#TRPBF is a step-up DC/DC converter that utilizes a high-efficiency switching regulator to boost low input voltages to higher output voltages. It operates by controlling the duty cycle of the internal power switch to regulate the output voltage. The device incorporates various protection features such as thermal shutdown and undervoltage lockout to ensure safe and reliable operation.

Detailed Application Field Plans

The LT3513IUHF#TRPBF is suitable for a wide range of power management applications, including but not limited to: - Battery-powered devices - Portable electronics - Industrial equipment - Automotive systems - LED lighting - Distributed power supplies

Detailed and Complete Alternative Models

Some alternative models to the LT3513IUHF#TRPBF include: - LT3514: Similar functionality with additional features - LT3512: Lower maximum output current but lower cost - LT3515: Higher maximum output current for more demanding applications

These alternative models offer different specifications and features, allowing designers to choose the most suitable option for their specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LT3513IUHF#TRPBF v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LT3513IUHF#TRPBF in technical solutions:

Q: What is the LT3513IUHF#TRPBF? A: The LT3513IUHF#TRPBF is a high voltage, current mode DC/DC converter designed for applications requiring high efficiency and compact size.
Q: What is the input voltage range of the LT3513IUHF#TRPBF? A: The input voltage range of the LT3513IUHF#TRPBF is from 4.5V to 100V.
Q: What is the output voltage range of the LT3513IUHF#TRPBF? A: The LT3513IUHF#TRPBF can generate output voltages ranging from 1.22V to 80V.
Q: What is the maximum output current of the LT3513IUHF#TRPBF? A: The LT3513IUHF#TRPBF can deliver a maximum output current of 2A.
Q: Is the LT3513IUHF#TRPBF suitable for automotive applications? A: Yes, the LT3513IUHF#TRPBF is suitable for automotive applications as it can handle high input voltages and has a wide operating temperature range.
Q: Does the LT3513IUHF#TRPBF have built-in protection features? A: Yes, the LT3513IUHF#TRPBF includes features like overvoltage protection, overcurrent protection, and thermal shutdown.
Q: Can the LT3513IUHF#TRPBF be used in battery-powered applications? A: Yes, the LT3513IUHF#TRPBF can be used in battery-powered applications as it has a low quiescent current and supports low dropout operation.
Q: What is the efficiency of the LT3513IUHF#TRPBF? A: The LT3513IUHF#TRPBF offers high efficiency, typically up to 94%.
Q: Can the LT3513IUHF#TRPBF be synchronized with an external clock? A: Yes, the LT3513IUHF#TRPBF can be synchronized with an external clock to minimize interference with other components.
Q: Are there any evaluation boards or reference designs available for the LT3513IUHF#TRPBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs for the LT3513IUHF#TRPBF to help with the development process.

Please note that the answers provided here are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.