Texas Instruments

LM2734YMK/NOPB  

DC Switching Voltage Regulators

The LM2734YMK/NOPB is a high-efficiency synchronous step-down (buck) regulator from Texas Instruments. It is designed to provide a stable and regulated output voltage from a higher input voltage source. Here is a brief description of the model, its features, and applications:

Description:

The LM2734YMK/NOPB is a member of the Simple Switcher® family of monolithic step-down regulators. It is a current mode PWM controller with a wide input voltage range, making it suitable for a variety of power supply applications. The device is available in a thermally enhanced 16-pin 2mm x 3mm VQFN package.

Features:

1. High Efficiency: The LM2734YMK/NOPB offers high efficiency up to 97%, which helps reduce power dissipation and improve overall system performance.
2. Wide Input Voltage Range: The regulator can handle input voltages from 4V to 40V, making it suitable for a wide range of applications.
3. Synchronous Rectification: The device uses synchronous rectification, which improves efficiency by reducing the voltage drop across the rectifying diodes during the switching process.
4. Low Quiescent Current: The quiescent current is typically 35µA, which is low compared to many other regulators, making it suitable for battery-powered applications.
5. Programmable Soft Start: The soft start feature helps reduce inrush current and minimize output voltage overshoot during startup.
6. Protection Features: The LM2734YMK/NOPB includes over-current protection, over-temperature protection, and thermal shutdown to ensure safe operation.
7. Small Package: The device is available in a compact 16-pin 2mm x 3mm VQFN package, which is suitable for space-constrained applications.

Applications:

1. Portable Electronics: Due to its low quiescent current and high efficiency, the LM2734YMK/NOPB is well-suited for battery-powered devices such as smartphones, tablets, and wearable electronics.
2. Industrial Equipment: The wide input voltage range and robust protection features make it suitable for industrial applications where a stable and reliable power supply is required.
3. Automotive Systems: The regulator can be used in automotive systems, such as infotainment systems, where a wide input voltage range and high efficiency are important.
4. LED Lighting: The LM2734YMK/NOPB can be used to regulate the power supply for LED lighting applications, providing efficient and stable power to the LEDs.
5. Medical Devices: In medical equipment, a stable and reliable power supply is crucial, and the LM2734YMK/NOPB can be used to provide regulated power to sensitive medical devices.

Overall, the LM2734YMK/NOPB is a versatile and efficient step-down regulator that can be used in a wide range of applications requiring a stable and reliable power supply.

LM2734YMK/NOPB Documents

Download datasheets and manufacturer documentation for LM2734YMK/NOPB

Images :

Mechanical Outline Drawing       Function Diagram      

PCN :

Product Change Notification 2024-02-05 (PDF)       Pin 1 Dot Mark Implementation selected devices in the SOT23 6L Package (PDF)       Product Change Notification (PDF)      

Models :

LM2734YMK/NOPB Symbol & Footprint by SnapMagic      

Application Notes :

Advanced Topics in Powering FPGAs       Power Management Considerations for FPGAs and ASICs      

SPICE Models :

LM2734Y PSpice Average Model (Rev. A)       LM2734X Unencrypted PSpice Average Model       LM2734X PSpice Transient Model       LM2734X PSpice Average Model (Rev. A)       LM2734Y PSpice Transient Model       LM2734Y Unencrypted PSpice Transient Model       LM2734X Unencrypted PSpice Transient Model       LM2734Y Unencrypted PSpice Average Model