STMicroelectronics Flip-Chip 5-Pin Ultra Low Dropout Voltage Regulator 5.5V LD57100JR

STMicroelectronics LD57100JR is an ultra low dropout (LDO) voltage regulator designed for precision and efficiency in low power applications. This model provides a regulated output voltage of 5.5V with very low dropout voltage, making it ideal for battery powered and energy sensitive devices.

The device features a high accuracy 5-pin flip-chip surface mount package (1.18 mm length, 0.78 mm width, 0.26 mm height) that enables compact PCB design. The integrated NMOS pass transistor is controlled via a dedicated gate pin, allowing ultra-low dropout operation even at minimal input voltages.

To guarantee stability, the regulator uses ceramic capacitors and includes internal protection mechanisms such as overcurrent limit, thermal shutdown, and output active discharge to improve reliability and performance.

This voltage regulator operates reliably up to a maximum temperature of 85°C and fully complies with RoHS requirements, ensuring environmental safety.

Its small form factor and electrical characteristics make it suitable for use in various industrial, telecommunications, consumer electronics, and embedded systems where efficient power management is critical.

The device delivers up to 1 A current with high accuracy and low noise. Features a dedicated NMOS pass transistor to maintain low dropout voltage. Stable operation ensured by ceramic capacitors. Surface mount flip-chip 6 package measuring 1.18 mm x 0.78 mm x 0.26 mm.

Includes internal current limit, thermal shutdown and output active discharge functionality. Suitable for low power, battery operated applications requiring efficient voltage regulation. Compliance with RoHS standards and operating temperature up to 85°C.

Explore more Voltage Regulator ICs and semiconductor devices from leading manufacturers at EnvMart.