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LM2623AMM

Name: LM2623AMM
Rating: 4.7 (12 reviews)

IC REG BOOST ADJ 2.2A 8VSSOP

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規格

Part Status	Obsolete
Function	Step-Up
Output Configuration	Positive
Topology	Boost
Output Type	Adjustable
Number of Outputs	1
Voltage - Input (Min)	0.8V
Voltage - Input (Max)	14V
Voltage - Output (Min/Fixed)	1.24V
Voltage - Output (Max)	14V
Current - Output	2.2A (Switch)
Frequency - Switching	300kHz ~ 2MHz
Synchronous Rectifier	No
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package	8-VSSOP
Base Product Number	LM2623

概述

Description

The LM2623AMM is a high-efficiency, step-up (boost) voltage regulator designed for powering devices from low-voltage power sources. It features a wide input voltage range, typically from 2.5V to 12V, making it suitable for various applications, including battery-powered devices. The LM2623AMM employs a fixed frequency PWM control scheme, ensuring stable and efficient operation under varying load conditions.
Key features include a maximum output current capability of up to 1A, adjustable output voltage, and built-in protections such as thermal shutdown and overcurrent protection, enhancing reliability. The device also integrates a low on-resistance power switch, which improves efficiency and reduces heat generation.
Common applications for the LM2623AMM include portable electronics, LED drivers, and any system requiring a regulated output voltage from a lower input voltage source. Its compact package and robust performance make it a popular choice among designers seeking efficient power management solutions.

Features

The LM2623AMM is a high-performance step-down DC-DC converter designed primarily for low-voltage applications. Key features include:
1. Input Voltage Range: 3.5V to 30V, allowing flexibility in power source selection.
2. Output Voltage: Adjustable output voltage down to 1.24V, catering to various load requirements.
3. Output Current: Capable of delivering up to 1.5A output current, suitable for medium-load applications.
4. High Efficiency: Offers high conversion efficiency (up to 90%) to minimize heat generation.
5. Frequency: Operates at a fixed frequency of 100kHz, ensuring stable performance and predictable behavior.
6. Protection Features: Includes over-current protection, thermal shutdown, and undervoltage lockout for enhanced reliability.
7. Package Type: Available in an 8-pin MSOP package, making it compact and easy to integrate into designs.
These features make the LM2623AMM ideal for powering microcontrollers, sensors, and other low-voltage devices in portable and battery-powered applications.

Package

The LM2623AMM is packaged in a 10-pin MSOP (Micro Small Outline Package) format. This compact package design is suitable for applications requiring space-efficient components in electronic circuits.

Pinout

The LM2623AMM is a switching regulator from Texas Instruments with a pin count of 8 pins. Its primary function is to step up (boost) voltage from a lower input voltage to a higher output voltage. It is designed to deliver a regulated output voltage efficiently, making it suitable for various applications, including battery-powered devices.
### Pin Functions:
1. VIN: Input voltage supply.
2. SW: Switch node; connects to the inductor and the output.
3. GND: Ground reference.
4. VOUT: Output voltage.
5. FB: Feedback voltage input for regulation.
6. COMP: Compensation network connection for stability.
7. EN: Enable input; activates the device when high.
8. SR: Soft-start pin for controlling the startup ramp.
The LM2623AMM provides features such as adjustable output voltage and improved efficiency, making it suitable for portable applications.

Manufacturer

The LM2623AMM is manufactured by Texas Instruments (TI), a leading global semiconductor company. Founded in 1930, Texas Instruments designs and manufactures a wide range of electronic components, including analog, digital signal processing (DSP), and embedded processors. The company is well-known for its integrated circuits (ICs) and has a strong presence in various markets, including automotive, industrial, communications, and consumer electronics. Texas Instruments is recognized for its innovation in technology and commitment to providing solutions that enable advancements in electronic designs.

Application

The LM2623AMM is a high-frequency step-up (boost) DC-DC converter used in applications such as battery-powered devices, portable electronics, LED drivers, and power management systems. It is suitable for driving small loads with a regulated output voltage from a lower input voltage, making it ideal for applications in mobile devices, cameras, and handheld instruments. Its compact design and efficiency make it suitable for space-constrained environments.

Equivalent

The LM2623AMM can be equivalently replaced by the following products:
1. LM2623BMM
2. LM2623CMM
3. TPS63060
4. LTC3105
5. MP1584
Always verify compatibility in application-specific requirements, such as voltage ratings, current output, and package type.