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LT3502AIMS#TRPBF

Name: LT3502AIMS#TRPBF
Rating: 4.7 (12 reviews)

IC REG BUCK ADJ 500MA 10MSOP

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仕様

Part Status	Active
Function	Step-Down
Output Configuration	Positive
Topology	Buck
Output Type	Adjustable
Number of Outputs	1
Voltage - Input (Min)	3V
Voltage - Input (Max)	40V
Voltage - Output (Min/Fixed)	0.8V
Voltage - Output (Max)	32V
Current - Output	500mA
Frequency - Switching	2.25MHz
Synchronous Rectifier	No
Operating Temperature	-40°C ~ 125°C (TJ)
Mounting Type	Surface Mount
Package / Case	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package	10-MSOP
Base Product Number	LT3502

概要

Description

LT3502AIMS#TRPBF is a high-performance, low-dropout linear regulator produced by Texas Instruments. It is designed to provide a stable output voltage with high accuracy and low noise, making it suitable for various applications including telecommunications, industrial, and consumer electronics. The device features an input voltage range of 2.5V to 15V and can deliver up to 2A of output current. Its low dropout voltage ensures efficient operation, even with minimal headroom between the input and output voltages.
Key features include thermal shutdown, current limiting, and an enable pin for power management, enhancing its usability in battery-powered devices. The LT3502AIMS#TRPBF is also packaged in a compact surface mount format, facilitating integration into space-constrained designs. Overall, it is ideal for applications requiring reliable voltage regulation with low noise and minimal heat generation.

Features

The LT3502AIMS#TRPBF is a high-performance, low-dropout (LDO) linear voltage regulator from Analog Devices. It offers several key features:
1. Output Voltage Range: Adjustable output from 1.2V to 20V, making it versatile for various applications.
2. Low Dropout Voltage: Typically around 300mV at full load, allowing for efficient operation with minimal input-output voltage difference.
3. High Output Current: Supports up to 1A output current, suitable for powering larger loads.
4. Power Supply Rejection Ratio (PSRR): High PSRR ensures stable output voltage despite fluctuations in input voltage, enhancing noise performance.
5. Thermal Protection: Integrated thermal shutdown feature protects against overheating.
6. Short-Circuit Protection: Prevents damage from overload conditions.
7. Low Quiescent Current: Consumes minimal power in standby mode, enhancing efficiency in battery-operated devices.
These features make the LT3502AIMS#TRPBF ideal for portable electronics, telecommunications, and power management applications.

Package

The LT3502AIMS#TRPBF is packaged in a 20-lead TSSOP (Thin Shrink Small Outline Package).

Pinout

The LT3502AIMS#TRPBF is a dual-channel, high-efficiency DC-DC step-down (buck) regulator from Analog Devices. It features a 16-pin MSOP package.
Pin Count: 16 pins
Key Functions:
1. Input Voltage (Vin): Supplies the input voltage for the regulator.
2. Switching Node (SW): Connection point for the internal power switch.
3. Ground (GND): Common ground reference.
4. Output Voltage (Vout): Provides the regulated output voltage.
5. Feedback (FB): Used for voltage feedback to regulate output.
6. Compensation (COMP): External compensation network connection.
7. Enable (EN): Turns the regulator on or off.
8. Soft-Start (SS): Controls the startup time of the output voltage.
9. Power Good (PG): Indicates if the output voltage is within the desired range.
10. Set Reference Voltage (Vref): Provides a reference for regulation.
For full details, refer to the datasheet for LT3502A.

Manufacturer

The LT3502AIMS#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a global leader in the design and manufacturing of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company is known for its innovations in various sectors, including communication, automotive, industrial, and consumer electronics. Founded in 1965, Analog Devices specializes in solutions that help convert, condition, and process real-world signals to deliver high-performance results in various applications, making it a crucial player in the semiconductor industry.

Application

The LT3502AIMS#TRPBF is a high-efficiency, step-down DC/DC converter primarily used in applications requiring low voltage and high current outputs. It is suitable for powering microcontrollers, FPGAs, processors, and other digital devices in portable electronics, industrial equipment, and automotive systems. Its features make it ideal for battery-powered applications, LED drivers, and telecom equipment, ensuring efficient energy conversion and regulation in compact designs.

Equivalent

The LT3502AIMS#TRPBF is a step-down (buck) regulator from Analog Devices. Equivalent products include the TPS563201 from Texas Instruments, LM2596 from Texas Instruments, MICREL MIC3804, and the MAX15027 from Maxim Integrated. Always verify specifications, such as voltage, current ratings, and package types, to ensure compatibility for your application.