Texas Instruments

LM5118MHX/NOPB  

DC DC Switching Controllers

The LM5118MHX/NOPB is a high-efficiency, step-down 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 description of the model, its features, and potential applications:

Description:

The LM5118MHX/NOPB is a synchronous step-down regulator that can operate with input voltages ranging from 4.5V to 28V. It is capable of delivering up to 3A of continuous output current, making it suitable for a variety of power requirements. The device is available in a compact 10-pin, 3mm x 3mm WQFN package, making it ideal for space-constrained applications.

Features:

1. Wide Input Voltage Range: The LM5118MHX/NOPB can accept input voltages from 4.5V to 28V, making it versatile for different power sources.
2. High Efficiency: The device offers high efficiency, which can reach up to 95% under optimal conditions, reducing power loss and improving overall system performance.
3. 3A Output Current: It can deliver a continuous output current of up to 3A, suitable for applications requiring higher power.
4. Highly Integrated: The regulator integrates a wide range of features, including a low-RDS(on) synchronous rectifier, under-voltage lockout, and cycle-by-cycle current limiting, reducing the need for external components.
5. Precision Output Voltage: The output voltage can be set with high precision using an external resistor divider, allowing for fine-tuning to match the specific needs of the application.
6. Protection Features: The device includes over-current protection, thermal shutdown, and other safety features to protect the system from fault conditions.
7. Small Package Size: The 3mm x 3mm WQFN package is suitable for portable and compact applications where space is at a premium.

Applications:

1. Portable Electronics: Due to its small size and high efficiency, the LM5118MHX/NOPB is ideal for powering portable devices like smartphones, tablets, and wearables.
2. Industrial Equipment: It can be used in industrial applications where a stable and efficient power supply is required, such as in sensors and control systems.
3. Medical Devices: The precision and efficiency of the LM5118MHX/NOPB make it suitable for powering medical devices that require a stable and reliable power source.
4. Power Banks: It can be used in the design of power banks and battery charging systems to efficiently step down voltage from a battery to charge smaller devices.
5. Telecommunications: In telecommunications equipment, a reliable and efficient power supply is critical, and the LM5118MHX/NOPB can provide that in a compact form factor.
6. Automotive Applications: The device can be used in automotive applications where a wide input voltage range and high efficiency are necessary, such as in infotainment systems or sensor power supplies.

The LM5118MHX/NOPB is a versatile and efficient step-down regulator that can be integrated into a wide range of electronic devices to provide a stable and reliable power supply.

LM5118MHX/NOPB Documents

Download datasheets and manufacturer documentation for LM5118MHX/NOPB

Images :

Mechanical Outline Drawing       Function Diagram      

PCN :

Packing Material change for Select Devices on TSSOP Package (PDF)       Add Cu as Alternative Wire Base Metal for Selected Device(s) (PDF)       Product Change Notification (PDF)      

Product Catalogs :

Wide VIN DC/DC Power Solutions: Industrial, Automotive, and Comms Applications      

Application Notes :

Maintaining Output Voltage Regulation During Automotive Cold-Crank with LM5118      

Technical Resources :

LM5118 TINA-TI Transient Reference Design      

SPICE Models :

LM5118 Unencrypted PSpice Transient Model       Export TINA-TI Transient Spice Model from WEBENCH (Rev. A)       LM5118 PSpice Transient Model (Rev. B)