Texas Instruments

LM3697YFQR

The LM3697YFQR is a high-efficiency, step-up/step-down converter from Texas Instruments. It is designed to provide a stable output voltage from a wide range of input voltages, making it ideal for use in a variety of applications.

Description:

The LM3697YFQR is a highly integrated, synchronous, step-up/step-down converter that can operate in both boost and buck modes. It features a wide input voltage range of 2.5V to 24V and can deliver up to 3A of output current. The device is available in a compact 20-pin QFN package.

Features:

1. Wide input voltage range: 2.5V to 24V
2. High efficiency: up to 96% efficiency in boost mode and up to 94% efficiency in buck mode
3. Adjustable output voltage: from 2.5V to the input voltage
4. Programmable soft-start
5. Over-current protection
6. Over-temperature protection
7. Programmable output current limit
8. Low quiescent current: 300µA in boost mode and 250µA in buck mode
9. Synchronous rectification for high efficiency
10. Wide operating temperature range: -40°C to 125°C

Applications:

1. Portable devices: smartphones, tablets, and wearables
2. Power banks and battery chargers
3. Industrial and automotive applications
4. LED lighting and drivers
5. Medical devices
6. IoT devices and smart home applications
7. Any application requiring a stable output voltage from a wide range of input voltages

The LM3697YFQR is a versatile and efficient solution for a wide range of applications, offering high efficiency, a wide input voltage range, and a compact form factor.