L9758 Automotive multiple supply for engine control Datasheet - production data Programmable 1 V or 1.5 V, 10% 10 mA, standby memory regulator (V ) KAM Programmable 3.3 V or 2.6 V, 10% 10 mA alternate standby regulator (VSTBY) Four 5 V 7 mV 50 mA protected tracking regulators, one of them with selectable external voltage reference. Independent reset signals, RST5 and RSTL for the V , V supplies. DD5 DDL 3RZHU62 Independent standby voltage monitor STANDBY OK * * 36 Two power supply enable signals for different voltage level signals Battery voltage thresholding - IGN Features Logic level thresholding - PSU EN AEC-Q100 qualified Buck converter pre-regulated supply rated for a Description minimum of 2 A (RMS) The L9758 is a multiple output voltage regulator Optional Boost converter for low battery utilizing linear, switchmode (buck and boost) and conditions tracking regulators to support high end 5 V, 2% 1 A, V low dropout (LDO) DD5 automotive microcontrollers used in powertrain regulator applications. Programmable 3.3 V or 2.6 V, 2% 1 A, V DDL The L9758 provides two standby power LDO regulator with external pass transistor regulators as well as controllable LDO regulators. Programmable microcontroller core voltage The L9758 has power on reset functionality and LDO regulator, V 2% 1 A with external CORE controlled slew rate of the V , V and DD5 DDL voltage divider and pass transistor V . CORE Table 1. Device summary Order code Temperature range Package Packing L9758 Tube -40 C to +125 C PowerSO-36 E-L9758BBTR Tape & Reel September 2016 DocID14273 Rev 5 1/30 This is information on a product in full production. www.st.comContents L9758 Contents 1 Pins configuration . 6 2 Functional block diagram . 9 3 Operating conditions . 10 3.1 Absolute maximum ratings 10 3.2 Operating ranges . 11 3.3 Thermal data 11 4 Electrical characteristics 12 4.1 General DC characteristics . 12 4.2 BUCK pre-regulator . 13 4.3 Boost pre-regulator 14 4.4 VDD5 linear regulator 15 4.5 VDDL linear regulator 15 4.6 VCORE linear regulator 16 4.7 VKAM linear regulator . 17 4.8 VSTBY linear regulator . 17 4.9 VSA, VSB, VSC, VSD tracking linear regulator 18 4.10 RST5 and RSTL reset signals . 18 4.11 IGN and PSU EN inputs . 19 4.12 STBY OK signal . 20 5 Functional description 21 5.1 General function 21 5.2 Switching pre-regulator 21 5.3 VDD5, VDDL and VCORE linear regulators . 21 5.4 Tracking regulators 22 5.5 VKAM and VSTBY linear regulators . 22 5.6 RESET monitors 23 5.7 Thermal protection 23 5.8 Reference current . 23 2/30 DocID14273 Rev 5