LM2734YMKX

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LM2734YMKX

IC REG BUCK ADJ 1A SOT23

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  • Mfr. Partie #LM2734YMKX
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  • En stock2033

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Spécifications

Part Status Obsolete
Base Product Number LM2734
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 3V
Voltage - Input (Max) 20V
Voltage - Output (Min/Fixed) 0.8V
Voltage - Output (Max) 18V
Current - Output 1A
Frequency - Switching 550kHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package SOT-23-6 Thin, TSOT-23-6
Supplier Device Package SOT-23-THIN
Packaging Tape & Reel (TR)

Vue d'ensemble

Description

The LM2734YMKX is a high-efficiency, step-down DC-DC converter from Texas Instruments. It is part of the LM2734 series, designed for applications requiring efficient power conversion. The device operates with an input voltage range of 3.0V to 20V and delivers an output current of up to 1A. The switching frequency of the LM2734YMKX can be set at 550 kHz, enabling the use of smaller external components, which is beneficial for compact design requirements.
Key features include internal compensation, a fixed-frequency PWM operation, and a 40V tolerant Power MOSFET. This makes it suitable for a wide array of applications such as distributed power systems, battery-powered equipment, and point-of-load regulation. The LM2734YMKX also includes protection features like current limiting, thermal shutdown, and an enable pin for easy control of the device. Housed in a small, space-saving SOT-23 (6-pin) package, it is suitable for applications where board space is limited. Overall, the LM2734YMKX is a versatile and efficient solution for step-down voltage conversion needs.

Features

The LM2734YMKX is a step-down DC-DC converter designed for efficient power management in various electronic applications. Key features include:
1. Input Voltage Range: Operates with an input voltage range of 3 V to 20 V, making it versatile for different power sources.
2. Output Current: Capable of delivering up to 1A of continuous output current.
3. Switching Frequency: High switching frequency of 1.6 MHz allows for the use of smaller external components and a more compact design.
4. Efficiency: Offers high efficiency across a wide load range due to its synchronous rectification technique.
5. Adjustable Output Voltage: Provides an adjustable output voltage, which can be set using external resistors.
6. Protection Features: Includes features such as over-current protection and thermal shutdown to enhance reliability.
7. Low Output Ripple: Achieves low output voltage ripple, which is crucial for sensitive applications.
8. Package: Available in a small SOT-23 package, making it suitable for space-constrained designs.
These features make the LM2734YMKX well-suited for use in applications like portable devices, distributed power systems, and battery-powered equipment.

Package

The LM2734YMKX is a step-down DC-DC converter from Texas Instruments, and it comes in a SOT-23 package type, specifically a 6-pin SOT-23 (also known as a DDC package).

Pinout

The LM2734YMKX is a step-down DC-DC converter, typically packaged in a small form factor such as SOT-23. It features a 5-pin configuration, with each pin serving a specific function:
1. SW (Switch Node): This pin connects to the inductor and handles the switching action.
2. GND (Ground): This is the ground reference for the device.
3. FB (Feedback): This pin is used to provide feedback to the internal control circuitry. It senses the output voltage to maintain regulation.
4. VIN (Input Voltage): The supply voltage is applied to this pin, powering the device.
5. EN (Enable): This pin enables or disables the device. When pulled high, the device is active; when pulled low, the device is in shutdown mode.
The LM2734YMKX is designed for efficiency in converting higher DC input voltages to lower DC output voltages, suitable for applications like powering microcontrollers or other low-voltage circuitry.

Manufacturer

The LM2734YMKX is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. The company is one of the largest producers of analog technology components and embedded processors and serves global markets. Established in 1930, TI has grown to become a significant player in the electronics industry, catering to a wide range of applications, from consumer electronics to industrial systems.

Application

The LM2734YMKX is a high-frequency, step-down DC-DC converter suitable for various applications. It is commonly used in portable electronics, distributed power systems, point-of-load power supplies, and industrial applications due to its efficiency and compact size. It's ideal for powering microcontrollers, FPGAs, and other digital ICs from a single Li-Ion cell, 3.3V, or 5V rails.

Equivalent

The LM2734YMKX is a step-down DC-DC converter. Equivalent products may include the MP2315 from MPS, the TPS560200 from Texas Instruments, the AP63200 from Diodes Incorporated, and the ADP2300 from Analog Devices. These alternatives offer similar functionality and specifications but always verify compatibility with specific design requirements before substitution.

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DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

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