STMicroelectronics

UPSD3333DV-40U6

The UPSD3333DV-40U6 is a high-performance, ultra-low quiescent current (IQ) synchronous buck regulator from STMicroelectronics. This device is designed to provide efficient power conversion and regulation for a wide range of applications.

Description:

The UPSD3333DV-40U6 is a synchronous buck regulator that integrates a power MOSFET and a synchronous rectifier, offering high efficiency and low quiescent current. It operates with an input voltage range of 4.5V to 23V and can deliver an output voltage as low as 0.9V. The device is available in a compact VQFN-16 package.

Features:

1. Ultra-low quiescent current: 55µA (typical) at full load, and 2.5µA in burst mode operation.
2. Synchronous rectification for high efficiency.
3. Wide input voltage range: 4.5V to 23V.
4. Low output voltage as low as 0.9V.
5. Programmable soft-start to minimize output voltage overshoot.
6. Internal compensation for easy design and implementation.
7. Protection features: over-current protection, thermal shutdown, and open-loop protection.
8. Small form factor: VQFN-16 package.

Applications:

1. Portable devices: smartphones, tablets, and wearable devices.
2. IoT devices: smart home appliances, sensors, and data loggers.
3. Battery-powered devices: wireless routers, GPS modules, and remote controls.
4. Industrial equipment: motor controllers, LED drivers, and power supplies.
5. Automotive applications: infotainment systems, telematics, and battery management systems.

The UPSD3333DV-40U6 is an excellent choice for applications that require high efficiency, low quiescent current, and a wide input voltage range. Its compact form factor and integrated features make it suitable for a wide range of applications, from portable devices to industrial equipment.