L4925PD STMicroelectronics

L4925 Very low drop voltage regulator Features Operating DC supply voltage range 6 V to 28 V Transient supply voltage up to 40 V Extremely low quiescent current High precision output voltage PowerSO-20 Output current capability up to 500 mA Very low dropout voltage less than 0.6 V Description Reset circuit sensing the output voltage The L4925 is a monolithic integrated 5 V voltage Programmable reset pulse delay with external regulator with a very low dropout output and capacitor additional functions such as power-on reset and Thermal shutdown and short circuit protections programmable reset delay time. It is designed for supplying microcomputer controlled systems especially in automotive applications. Table 1. Device summary Order codes Package Tube Tape and reel PowerSO-20 L4925PD L4925PD013TR September 2013 Doc ID 1770 Rev 8 1/14 www.st.com 1Contents L4925 Contents 1 Block and pin connections diagrams . 5 1.1 Thermal data . 5 2 Electrical specifications 6 2.1 Absolute maximum ratings . 6 2.2 Electrical characteristics . 6 3 Functional description . 8 3.1 Voltage regulator 8 3.2 Reset circuit 9 4 Application information . 11 4.1 Supply voltage transients . 11 4.2 Application circuit . 11 5 Package Informations . 12 6 Revision history . 13 2/14 Doc ID 1770 Rev 8