LT3496IUFD#TRPBF

Product Overview

Category: Integrated Circuit (IC)
Use: LED Driver
Characteristics: High efficiency, compact size, wide input voltage range
Package: 4mm x 3mm DFN-12
Essence: Power management solution for driving LEDs
Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

Input Voltage Range: 2.8V to 30V
Output Current: Up to 1A
Switching Frequency: 1MHz
Dimming Control: Analog/PWM
Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT3496IUFD#TRPBF has a total of 12 pins arranged as follows:

VIN: Input voltage pin
GND: Ground pin
VCC: Supply voltage pin
FB: Feedback pin for regulating output current
EN: Enable pin for turning the device on/off
DIM: Dimming control pin for adjusting LED brightness
SW: Switch node pin for connecting the inductor
LX: Inductor connection pin
PGND: Power ground pin
ADJ: Adjust pin for setting the output voltage
CTRL: Control pin for external compensation
COMP: Compensation pin for stability enhancement

Functional Features

Wide input voltage range allows for versatile applications
High efficiency ensures minimal power loss
Compact size enables space-saving designs
Analog/PWM dimming control provides flexibility in LED brightness adjustment
Internal compensation simplifies external circuitry requirements

Advantages and Disadvantages

Advantages: - High efficiency leads to energy savings - Wide input voltage range accommodates various power sources - Compact size facilitates integration into small form factor devices - Analog/PWM dimming control offers precise brightness adjustment

Disadvantages: - Limited output current capability (up to 1A) - Requires external compensation for stability enhancement

Working Principles

The LT3496IUFD#TRPBF is a step-up DC/DC converter specifically designed for driving LEDs. It utilizes a high switching frequency of 1MHz to efficiently regulate the output current. The device incorporates an internal power switch and compensation circuitry, simplifying the overall design.

The input voltage range of 2.8V to 30V allows for compatibility with various power sources. The feedback pin (FB) regulates the output current, while the dimming control pin (DIM) enables analog or PWM dimming of the connected LEDs.

Detailed Application Field Plans

The LT3496IUFD#TRPBF finds applications in various fields, including:

Automotive lighting: LED headlights, taillights, and interior lighting
Display backlighting: LCD monitors, televisions, and signage
General lighting: Residential and commercial LED lighting fixtures
Portable devices: Flashlights, handheld lamps, and wearable lighting solutions

Detailed and Complete Alternative Models

LT3496IUFD#PBF: Similar to LT3496IUFD#TRPBF but supplied in a 12-pin plastic TSSOP package.
LT3496IUFD#PBF-ND: Same as LT3496IUFD#PBF, available through Digi-Key Electronics.
LT3496IUFD#TRMPBF: Thermally enhanced version of LT3496IUFD#TRPBF in a 12-pin DFN package.

These alternative models offer similar functionality and can be considered as substitutes for the LT3496IUFD#TRPBF.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LT3496IUFD#TRPBF v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LT3496IUFD#TRPBF in technical solutions:

Q: What is the LT3496IUFD#TRPBF? A: The LT3496IUFD#TRPBF is a specific model number for a high voltage, current mode DC/DC converter IC.
Q: What is the input voltage range of the LT3496IUFD#TRPBF? A: The LT3496IUFD#TRPBF can accept an input voltage range from 3V to 36V.
Q: What is the output voltage range of the LT3496IUFD#TRPBF? A: The LT3496IUFD#TRPBF can provide an adjustable output voltage range from 0.8V to 30V.
Q: What is the maximum output current of the LT3496IUFD#TRPBF? A: The LT3496IUFD#TRPBF can deliver a maximum output current of 2A.
Q: What is the efficiency of the LT3496IUFD#TRPBF? A: The efficiency of the LT3496IUFD#TRPBF can reach up to 94%.
Q: Can the LT3496IUFD#TRPBF be used in automotive applications? A: Yes, the LT3496IUFD#TRPBF is suitable for automotive applications as it can operate over a wide temperature range and has built-in protection features.
Q: Does the LT3496IUFD#TRPBF require external components for operation? A: Yes, the LT3496IUFD#TRPBF requires external components such as inductors, capacitors, and resistors for proper operation.
Q: Can the LT3496IUFD#TRPBF be used in LED lighting applications? A: Yes, the LT3496IUFD#TRPBF is commonly used in LED lighting applications due to its high efficiency and dimming capabilities.
Q: Is the LT3496IUFD#TRPBF suitable for battery-powered applications? A: Yes, the LT3496IUFD#TRPBF is suitable for battery-powered applications as it has a low quiescent current and can operate with input voltages as low as 3V.
Q: Are there any evaluation boards available for the LT3496IUFD#TRPBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards for the LT3496IUFD#TRPBF, which can help in the development and testing of applications.

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 and application-specific guidance.