The L4972A is a stepdown monolithic power switching regulator delivering 2A at a voltage variable from 5.1 to 40V. Realized with BCD mixed technology, the device uses a DMOS output transistor to obtain very high efficiency and very fast switching times. Features of the L4972 include reset and power fail for microprocessors, feed forward line regulation, soft start, limiting current and thermal protection. The device is mounted in a Powerdip 16 + 2 + 2 and SO20 large plastic packages and requires few external components. Efficient operation at switching frequencies up to 200KHz allows reduction in the size and cost of external filter component.
The L4972A is a monolithic step-down switching regulator delivering 2A of output current with an adjustable voltage range from 5.1V to 40V. Realized with BCD mixed technology, it uses a DMOS output transistor to achieve high efficiency and fast switching times up to 200kHz. The device is designed for microprocessor-based systems and requires few external components.
| Output Current | 2A |
|---|---|
| Output Voltage Range | 5.1V to 40V |
| Switching Frequency | Up to 200kHz |
| Input Voltage Range | 15V to 50V |
| Reference Voltage | 5.1V + 2% |
The output voltage is adjustable from 5.1V to 40V.
The device delivers a maximum output current of 2A.
The switching frequency can go up to 200kHz.