Texas Instruments

LP38690SD-3.3/NOPB  

Linear & Switching Voltage Regulators

The Texas Instruments LP38690SD-3.3/NOPB is a highly integrated, high-efficiency step-down converter (buck regulator) designed to provide a regulated output voltage from a wide range of input voltages. It is available in a compact, thermally enhanced DDPAK package, making it ideal for space-constrained applications.

Description:

The LP38690SD-3.3/NOPB is a synchronous step-down converter with an output voltage of 3.3V. It features a wide input voltage range of 4.75V to 23V, making it suitable for a variety of power supply applications. The device is designed for high efficiency and low quiescent current, making it ideal for battery-powered applications.

Features:

1. Wide input voltage range: 4.75V to 23V
2. Fixed 3.3V output voltage
3. High efficiency: up to 95% depending on the input voltage and load conditions
4. Low quiescent current: 45µA in normal operation mode
5. Synchronous rectification for improved efficiency
6. Thermal shutdown and over-current protection
7. Soft-start function to minimize inrush current
8. Available in a compact DDPAK package

Applications:

The LP38690SD-3.3/NOPB is suitable for a wide range of applications, including but not limited to:

1. Portable electronics: smartphones, tablets, and wearable devices
2. IoT devices: sensors, smart home devices, and industrial IoT applications
3. Medical devices: portable medical equipment and wearable health monitors
4. Consumer electronics: cameras, GPS devices, and portable gaming consoles
5. Industrial equipment: battery-powered instruments and control systems

In summary, the Texas Instruments LP38690SD-3.3/NOPB is a compact, high-efficiency step-down converter that provides a stable 3.3V output voltage from a wide range of input voltages. Its low quiescent current and thermally enhanced package make it an ideal choice for battery-powered and space-constrained applications across various industries.

LP38690SD-3.3/NOPB Documents

Download datasheets and manufacturer documentation for LP38690SD-3.3/NOPB

PCN Assembly/Origin :

Qualification Assembly/Test Site 27/Dec/2013      

Datasheets :

LP38690, LP38692      

Design Resources :

LP38690 Design with WEBENCH® Power Designer      

PCN Design/Specification :

Data Sheet Chg 3/Feb/2016       Wire Base Metal 05/Oct/2016