Texas Instruments

LM3492MHX/NOPB  

External/Internal LED Drivers

The LM3492MHX/NOPB is a high-efficiency, step-down (buck) switching regulator from Texas Instruments. It is designed to provide a stable and efficient power supply for a wide range of applications. Here is a detailed description of the model, its features, and potential applications:

Description:

The LM3492MHX/NOPB is a monolithic step-down switching regulator that integrates high-side and low-side MOSFETs, an inductor, and other support components into a single package. It is capable of delivering up to 3A of continuous output current with high efficiency over a wide input voltage range.

Features:

1. High Efficiency: The LM3492MHX/NOPB is designed for high efficiency, which can reach up to 98% under optimal conditions, making it suitable for battery-powered applications where power consumption is critical.

2. Wide Input Voltage Range: It can operate with input voltages from 4V to 40V, making it versatile for different power supply scenarios.

3. High Output Current: The device can provide up to 3A of continuous output current, which is suitable for powering various loads.

4. Integrated MOSFETs: The high-side and low-side MOSFETs are integrated into the device, reducing the number of external components required and simplifying the design.

5. Synchronization Capability: The LM3492MHX/NOPB can be synchronized with an external clock signal, allowing for phase-locked loop (PLL) applications.

6. Thermal Protection: It includes thermal shutdown and over-temperature warning features to protect against overheating.

7. Small Package: The device comes in a small 10-pin HTSSOP package, which is suitable for space-constrained applications.

8. Soft Start: The regulator features a soft-start function to minimize inrush current during startup.

9. Feedback Compensation: The device includes internal compensation for easy integration and stable operation.

Applications:

1. Portable Electronics: Due to its high efficiency and wide input voltage range, the LM3492MHX/NOPB is ideal for powering portable electronic devices like smartphones, tablets, and wearables.

2. Power Supplies: It can be used in battery chargers and power adapters, providing a regulated output for various electronic devices.

3. Industrial Equipment: The device's robustness and wide input voltage range make it suitable for use in industrial equipment where reliability and efficiency are paramount.

4. Medical Devices: The LM3492MHX/NOPB can be used in medical devices that require a stable and efficient power supply.

5. Automotive Applications: It can be used in automotive applications where a wide input voltage range and high efficiency are required, such as infotainment systems and power management for electric vehicles.

6. LED Lighting: The device can be used to provide a stable and efficient power supply for LED lighting applications, including automotive headlights and general lighting.

7. RF Power Amplifiers: The LM3492MHX/NOPB can provide a stable power supply for RF power amplifiers in communication systems.

8. Motor Controllers: It can be used in motor control applications where a stable and efficient power supply is required for the motor driver.

The LM3492MHX/NOPB is a versatile and efficient switching regulator that can be used in a wide range of applications where a stable and efficient power supply is needed. Its high efficiency, wide input voltage range, and integrated MOSFETs make it an attractive choice for designers looking to minimize component count and improve system performance.

LM3492MHX/NOPB Documents

Download datasheets and manufacturer documentation for LM3492MHX/NOPB

PCN Assembly/Origin :

Wafer Fab Qualification 07/Oct/2014      

Datasheets :

LM3492(Q)      

PCN Packaging :

Pack Material Update 11/May/2015       Packing Material Revision A 19/May/2015      

Reference Design Library :

LM3492EVAL: 150mA (x2) @ 38V Max, 9 ~ 16V in      

Design Resources :

LM3492 Design with WEBENCH® Power Designer       Lighting Product Selector      

HTML Datasheet :

LM3492(Q)      

PCN Design/Specification :

Cu Wire 21/Mar/2017       Mult PN PART MARKING 08/Dec/2023