L5963

L5963 Automotive dual monolithic switching regulator with LDO and HSD '!0'03 PowerSSO-36 (exposed pad) '!0'03 PowerSSO-36 (slug-up) *$3*36 VQFPN-48 Featuress  AEC-Q100 qualified  Two step-down synchronous switching voltage regulators with internal power switches: – Wide input voltage range (from 3.5 V to 26 V) – Internal high-side/ low-side NDMOS – 1 V minimum output – 3.0 A load current – 250 kHz free-run frequency – 250 kHz < f < 2 MHz synchronization range – Integrated soft-start – Independent hardware enable pins – Independent power supply – 180° PWM output phase shift – Programmable switching frequency divider by 1, 2, 4 or 8 between the two DC/DC regulators – Power good function  One standby / linear regulator – Output voltage programmable with external resistor divider – 250 mA maximum current capability – Backup function – Power good function  One high side driver – 0.5 V max drop @ 0.5 A – Protected against short to ground and battery, loss of ground and battery, unsupplied short to battery  Programmable under voltage battery detector – Under voltage threshold adjustable through dedicated pin (VDIN)  Load dump protection  Independent thermal protection on all regulators Datasheet - production data  Independent current limit on all regulators  Extremely low quiescent current in standby conditions  Power good / adjustable voltage detector outputs to realize customized power up/down sequences Description L5963 is a dual step-down switch...