LT3502AIDC#TRPBF

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LT3502AIDC#TRPBF

IC REG BUCK ADJ 500MA 8DFN

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사양

Part Status Active
Base Product Number LT3502
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 8-WFDFN Exposed Pad
Supplier Device Package 8-DFN (2x2)
Packaging Cut Tape (CT), Tape & Reel (TR)

개요

Description

The LT3502AIDC#TRPBF is a high-performance, low-dropout (LDO) linear regulator designed for various applications that require stable voltage regulation. It typically features a wide input voltage range, precise output voltage, low dropout voltage, and excellent transient response, making it suitable for powering sensitive analog and digital circuits.
Key specifications often include an adjustable output voltage, high output current capability, low noise operation, and thermal protection features. Its compact package design and efficiency make it ideal for space-constrained applications in consumer electronics, telecommunications, and automotive systems.
In summary, the LT3502AIDC#TRPBF is a versatile and reliable LDO regulator that ensures consistent performance in demanding environments. For specific details, refer to the manufacturer's datasheet for electrical characteristics and application circuits.

Features

The LT3502AIDC#TRPBF is a high-performance, low-dropout (LDO) linear regulator from Analog Devices. Key features include:
1. Input Voltage Range: Operates with input voltages up to 20V.
2. Output Current: Provides up to 3A output current with low dropout voltage.
3. Low Quiescent Current: Offers a low quiescent current of around 50µA, enhancing efficiency for battery-operated devices.
4. Adjustable Output Voltage: Output voltage can be set from 1.22V to 15V using external resistors.
5. Fast Transient Response: Designed for excellent transient response to load variations.
6. Thermal Protection: Includes thermal shutdown and current limiting features for enhanced reliability.
7. Power Supply Rejection Ratio (PSRR): High PSRR performance, providing good noise rejection.
8. Package: Available in an 8-lead MSOP package for compact applications.
These features make the LT3502AIDC#TRPBF suitable for a wide range of applications, including sensors, microcontrollers, and other analog circuits.

Package

The LT3502AIDC#TRPBF is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package).

Pinout

The LT3502AIDC#TRPBF is a high-performance, step-down (buck) DC-DC converter. It comes in a 16-lead TSSOP package. The pin count is 16, and the key functions of the pins are as follows:
1. VIN: Input voltage.
2. SW: Switch node.
3. GND: Ground.
4. VOUT: Output voltage.
5. FB: Feedback voltage for regulation.
6. COMP: Compensation network.
7. RT: Timing resistor for frequency setting.
8. SS: Soft-start control.
9. ILIM: Current limit setting.
10. SHDN: Shutdown control.
11. SYNC: Synchronization input/output.
12. PG: Power good indicator.
13. RFB: Resistor feedback for output voltage.
14. CL: Current limit.
15. C1: Capacitor pin for control.
16. C2: Capacitor pin for output.
This IC is designed for applications requiring efficient power conversion with a compact footprint.

Manufacturer

The LT3502AIDC#TRPBF is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a multinational semiconductor company headquartered in Norwood, Massachusetts. It specializes in the design, manufacturing, and marketing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). The company serves various industries, including communications, automotive, industrial, healthcare, and consumer electronics, providing solutions that enable the management and conversion of real-world signals into digital form. ADI is known for its high-performance components and innovative technologies that support applications in data acquisition, signal processing, and power management.

Application

The LT3502AIDC#TRPBF is a high-performance, low-dropout linear regulator used primarily in portable devices, automotive applications, and battery-powered systems. It is suitable for low-voltage applications requiring efficient power management, providing stable output voltage for microcontrollers, sensors, and communication devices. Its features make it ideal for noise-sensitive environments like RF systems and precision analog circuits.

Equivalent

The LT3502AIDC#TRPBF chip is a synchronous step-down regulator. Equivalent products include the TPS563201 from Texas Instruments, LM2596 from Texas Instruments, and MP1584 from Monolithic Power Systems. These alternatives provide similar voltage regulation capabilities and efficiency, but always check the specific datasheets for compatibility in your application.

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