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LT3504IUFD#TRPBF

Name: LT3504IUFD#TRPBF
Rating: 4.7 (12 reviews)

IC REG BUCK ADJ 1A QUAD 28QFN

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規格

Part Status	Active
Function	Step-Down
Output Configuration	Positive
Topology	Buck
Output Type	Adjustable
Number of Outputs	4
Voltage - Input (Min)	3.2V
Voltage - Input (Max)	40V
Voltage - Output (Min/Fixed)	0.8V
Voltage - Output (Max)	40V
Current - Output	1A
Frequency - Switching	250kHz ~ 2.1MHz
Synchronous Rectifier	No
Operating Temperature	-40°C ~ 125°C (TJ)
Mounting Type	Surface Mount
Package / Case	28-WFQFN Exposed Pad
Supplier Device Package	28-QFN (4x5)
Base Product Number	LT3504

概述

Description

The LT3504IUFD#TRPBF is a high-performance integrated circuit from Analog Devices, designed for point-of-load (POL) DC-DC conversion applications. It features a step-down (buck) regulator capable of efficiently converting higher input voltages to lower output voltages, making it suitable for powering various electronic devices and circuits.
Key features include a wide input voltage range, high-efficiency operation, adjustable output voltage, and a compact package that allows for space-saving designs. The LT3504 incorporates advanced protection features such as overcurrent protection and thermal shutdown, ensuring reliable operation under varying conditions.
This device is ideal for use in telecommunications, automotive electronics, and industrial applications, where efficient power management is critical. Its combination of performance, reliability, and compact design makes it a popular choice among engineers looking to optimize power solutions in their designs.

Features

The LT3504IUFD#TRPBF is a high-efficiency, synchronous step-down DC-DC converter from Analog Devices. Key features include:
1. Wide Input Voltage Range: Supports 4V to 60V input voltage, suitable for various applications.
2. High Output Current: Delivers up to 3A output current.
3. Adjustable Output Voltage: Output voltage can be set from 0.8V to 15V, allowing flexibility in design.
4. High Efficiency: Achieves efficiencies of up to 95%, minimizing heat generation.
5. Integrated MOSFETs: Reduces component count and board space.
6. Switching Frequency: Can be configured for 250kHz to 1MHz, enabling optimized performance.
7. Soft-Start Feature: Reduces inrush current during startup.
8. Built-in Protection: Includes overcurrent and thermal protection to ensure reliability.
9. Small Package: Available in a 16-lead LFCSP package, facilitating compact designs.
These features make the LT3504IUFD#TRPBF ideal for powering microcontrollers, sensors, and other electronic devices in automotive, industrial, and consumer applications.

Package

The LT3504IUFD#TRPBF is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package) format.

Pinout

The LT3504IUFD#TRPBF is a high-frequency, step-down (buck) regulator from Analog Devices, featuring a total of 20 pins.
Pin Count: 20
Key Functions:
1. VIN: Input voltage supply.
2. GND: Ground connection.
3. SW: Switch node for inductor connection.
4. VOUT: Output voltage.
5. COMP: Compensation network connection for stability.
6. FB: Feedback pin for voltage regulation.
7. ISENSE: Current sensing input.
8. CSP & CSN: Current sense positive and negative inputs.
9. SS: Soft-start pin to control the start-up time.
10. SYNC: Synchronization input for external clock.
11. TRK: Tracking input for output voltage tracking.
12. PG: Power good output indicator.
These functions support efficient voltage regulation and control in various applications, including powering processors and other sensitive electronics. The device operates with a wide input voltage range and offers features like thermal protection and current limiting.

Manufacturer

The LT3504IUFD#TRPBF is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a prominent multinational company that specializes in designing and manufacturing a wide range of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). Founded in 1965, the company serves various industries, including automotive, communications, industrial automation, healthcare, and consumer electronics. It is known for its innovative products that enable the conversion of real-world phenomena into measurable signals, playing a crucial role in modern electronic systems.

Application

The LT3504IUFD#TRPBF is a high-performance linear regulator primarily used in applications requiring low dropout and high output current. It is suitable for powering microcontrollers, sensors, and RF modules in portable devices, automotive electronics, and battery-powered systems. Its features make it ideal for applications needing a stable and efficient power supply with minimal noise, such as telecommunications, industrial automation, and medical devices.

Equivalent

The LT3504IUFD#TRPBF is a high-efficiency, step-down voltage regulator. Equivalent products include the TPS563201 from Texas Instruments, the LM2596 from Texas Instruments, and the MICREL MIC2217. It's essential to verify specifications such as input/output voltage, current capacity, and thermal performance when considering alternatives. Always check compatibility with your specific application.