LT3463EDD

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LT3463EDD

Switching Voltage Regulators LT3463 - Dual Micropower DC/DC Converters with Schottky Diodes

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Specifications

Overview

Description

The LT3463EDD is a dual-channel, high-efficiency step-down (buck) switching regulator designed by Analog Devices (formerly Linear Technology). It operates with a wide input voltage range of 3V to 60V and provides adjustable output voltages down to 0.8V. The device features a peak efficiency of up to 95% and allows for a maximum output current of 1.5A per channel, making it suitable for a variety of applications, including industrial, automotive, and telecommunications.
Key features include a built-in soft-start for controlled power-up, a switching frequency configurable between 200kHz to 2MHz, and the ability to operate in either continuous or pulse-skipping modes for improved light-load efficiency. The LT3463EDD also incorporates built-in compensation to simplify design and minimize external components.
Its thermal performance is enhanced through a compact 28-lead TSSOP package, which is suitable for space-constrained applications. Overall, the LT3463EDD is an efficient, versatile choice for power management in modern electronic designs.

Features

The LT3463EDD is a high-performance boost converter designed for LED driving applications. Key features include:
1. Wide Input Voltage Range: Operates from 2.5V to 15V, making it suitable for various battery-powered applications.
2. High Efficiency: Delivers up to 95% efficiency, minimizing heat generation and extending battery life.
3. Output Current Capability: Supports output currents up to 1A, allowing it to drive multiple LEDs or high-power LED arrays.
4. Programmable Output Voltage: The output voltage can be set through external resistors, enabling flexibility in design.
5. Internal Switching Frequency: Operates at a fixed frequency of 1.2MHz, allowing for smaller external components and reduced PCB space.
6. Soft-Start Feature: Reduces inrush current during startup, enhancing system reliability.
7. Protection Features: Includes over-voltage protection (OVP) and over-temperature protection (OTP) to safeguard the device and connected loads.
These features make the LT3463EDD ideal for portable lighting and display applications.

Package

The LT3463EDD is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package).

Pinout

The LT3463EDD is a small, high-efficiency boost converter IC from Analog Devices, specifically designed for driving LED applications. It has a total of 16 pins.
Key pin functions include:
- VIN: Input voltage.
- SW: Switch node connected to the inductor.
- GND: Ground connection.
- VOUT: Output voltage for LEDs.
- ILIM: Current limit setting pin.
- COMP: Compensation network connection.
- Rset: Resistor for setting output current.
- CSN/ CSP: Current sense pins.
- FREQ: Frequency setting pin.
- STDBY: Standby control.
- SHDN: Shutdown control pin.
- LTC/SYNC: Synchronization input/output.
- VREF: Reference voltage output.
- PGND: Power ground.
These pins support various functions such as input/output connections, control, feedback, and protection features necessary for boost conversion and LED driving applications.

Manufacturer

The LT3463EDD is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company headquartered in Norwood, Massachusetts. It specializes in data conversion, signal processing, and power management technologies. The company develops a wide range of integrated circuits and components used in various applications, including industrial, automotive, communications, and consumer electronics. Analog Devices is known for its innovative solutions in analog, mixed-signal, and digital signal processing, catering to the demands of a diverse set of industries.

Application

The LT3463EDD is a high-efficiency, synchronous step-down regulator primarily used in applications such as portable devices, battery-powered systems, and power management for microcontrollers and DSPs. It is suitable for automotive, industrial, and consumer electronics, providing stable voltage regulation in compact designs. Its low quiescent current makes it ideal for energy-sensitive applications.

Equivalent

Equivalent products to the LT3463EDD chip include the MAX8590 and TPS61030. These alternatives provide similar functionality in terms of voltage regulation and power management. Always check specifications and performance characteristics to ensure compatibility with your application.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

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