Data Sheet
Micro PMU with 800 mA Buck, 300 mA LDO, Supervisory, Watchdog, and Manual Reset
ADP5043
FEATURES
Input
voltage range: 2.
3 V to 5.
5 V One 800 mA buck regulator One 300 mA LDO 20-lead, 4 mm × 4 mm LFCSP package Initial regulator accuracy: ±1% Overcurrent and thermal protection Soft start Under
voltage lockout Open-drain processor reset with threshold monitoring ±1.
5% threshold accuracy over the full temperate range Guaranteed reset output valid to VCC = 1 V Dual watchdog for secure systems
Watchdog 1 controls reset Watchdog 2 controls reset and regulators power cycle Buck regulator key specifications Current-mode topology for excellent transient response 3 MHz operating frequency U...