LD59100PUR STMicroelectronics

LD59100 Datasheet 1 A ultra low-dropout regulator with reverse current protection Features Input voltage range: 2.2 V to 5.5 V Ultra low-dropout: 200 mV typ. at 1 A NMOS topology Very high PSRR: 78 dB 100 Hz, 70 dB 100 kHz Very fast response to load variation DFN8 (3 x 3 mm) Stable with 1 F capacitor Thermal shutdown Current limit Adjustable from 1.2 V High output voltage accuracy: 1 % typ. (3 % max.) Applications Post-regulation generic POL Portable equipment Industrial applications Telecom infrastructure Description The LD59100 is a 1 A LDO regulator designed for use in various environments. Its N- Maturity status link MOS topology allows reduction of the R of the pass-element, maintaining a very dson low-dropout voltage even with very low input power supply voltage. LD59100 The device features very high PSRR characteristics over a wide frequency band, rendering it suitable for use as a secondary regulator for noise-sensitive applications. The enable function can be used to further decrease the overall current consumption in shutdown mode. The LD59100 embeds protection features, such as current limit, thermal shutdown and reverse output current protection. DS12170 - Rev 2 - November 2018 www.st.com For further information contact your local STMicroelectronics sales office.LD59100 Diagram 1 Diagram Figure 1. Block diagram, adjustable version AMG260520171100MT DS12170 - Rev 2 page 2/19