L4972A Datasheet - STMicroelectronics

L4972A 2A SWITCHING REGULATOR

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 Figure 2. Block Diagram Figure 1. Packages PowerDIP20 (16+2+2) Table 1. Order Codes Part Number L4972A L4972AD L4972AD013TR SO20 Packag.

L4972A Features

* 2A OUTPUT CURRENT

* 5.1V TO 40V OUTPUT VOLTAGE RANGE

* 0 TO 90% DUTY CYCLE RANGE

* INTERNAL FEED-FORWARD LINE REG.

* INTERNAL CURRENT LIMITING

* PRECISE 5.1V ± 2% ON CHIP REFERENCE

* RESET AND POWER FAIL FUNCTIONS

* INPUT/OUTPUT SYNC PIN

* UNDER VOLTAGE LOCK OUT

L4972A_STMicroelectronics.pdf