Texas Instruments

LM25117QPSQX/NOPB  

DC DC Switching Controllers

The LM25117QPSQX/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 wide range of input voltages. Here is a brief description of the model, its features, and applications:

Description:

The LM25117QPSQX/NOPB is a highly integrated, high-efficiency, synchronous step-down regulator that can operate from a wide input voltage range. It is available in a compact QFN package, making it suitable for space-constrained applications.

Features:

1. Wide Input Voltage Range: The device can accept input voltages from 4V to 28V, making it suitable for a wide range of applications and input sources.

2. High Efficiency: The LM25117QPSQX/NOPB offers high efficiency of up to 95%, which is crucial for battery-powered applications to extend battery life.

3. Synchronous Rectification: The device uses synchronous rectification, which allows both the high-side and low-side FETs to operate efficiently, further improving efficiency.

4. Adjustable Output Voltage: The output voltage can be adjusted using an external resistor network, providing flexibility for different output voltage requirements.

5. Integrated Power Save Mode: The device has an integrated power save mode that reduces the quiescent current when the output current is low, further enhancing efficiency.

6. Protection Features: The LM25117QPSQX/NOPB includes various protection features such as over-current protection, over-temperature protection, and output under-voltage lockout.

7. Small Form Factor: The device is available in a compact 10mm x 10mm QFN package, making it suitable for space-constrained applications.

Applications:

1. Portable Devices: Due to its high efficiency and wide input voltage range, the LM25117QPSQX/NOPB is ideal for use in portable devices such as smartphones, tablets, and wearables.

2. Power Banks: The device can be used in power banks to efficiently step down the voltage from the battery to charge external devices.

3. IoT Devices: The LM25117QPSQX/NOPB is suitable for IoT devices that require a stable and regulated power supply from a wide range of input voltages.

4. Industrial Applications: The device can be used in industrial applications where a stable and regulated output voltage is required, and input voltages can vary.

5. Medical Devices: The LM25117QPSQX/NOPB can be used in medical devices that require a stable power supply and have strict efficiency and safety requirements.

6. LED Lighting: The device can be used in LED lighting applications to provide a stable and regulated current to the LEDs, improving their lifespan and performance.

7. Automotive Applications: The LM25117QPSQX/NOPB can be used in automotive applications where a wide input voltage range and high efficiency are required.

In summary, the LM25117QPSQX/NOPB is a versatile and efficient step-down regulator from Texas Instruments that offers a wide input voltage range, high efficiency, and various protection features, making it suitable for a wide range of applications.

LM25117QPSQX/NOPB Documents

Download datasheets and manufacturer documentation for LM25117QPSQX/NOPB

Images :

Mechanical Outline Drawing       Function Diagram      

PCN :

Qualification of GFAB as an additional Wafer Fab site option for select devices in ABCD05/ABCD5HV Technology (PDF)       Product Change Notification (PDF)      

Models :

LM25117QPSQX/NOPB Symbol & Footprint by SnapMagic      

Product Catalogs :

Automotive Wide VIN DC/DC Brochure      

Technical Resources :

LM25117 TINA-TI Average Reference Design (Rev. A)       LM25117 TINA-TI Transient Reference Design(Load transient)       LM25117 TINA-TI Transient Reference Design(START UP)      

SPICE Models :

LM25117 PSpice Average Model       LM25117 TINA-TI Average Spice Model (Rev. A)       LM25117 Unencrypted PSpice Transient Model       LM25117 PSpice Transient Model (Rev. A)       LM25117 TINA-TI Transient Spice Model       LM25117 Unencrypted PSpice Average Model