Features: `Compatible with advanced applications processors requiring DVM (Dynamic Voltage Management)`Three buck regulators for powering high current processor functions or I/O's`6 LDO's for powering RTC, peripherals, and I/O's`Backup battery charger with automatic switch for lithium-manganese co...
LP3971: Features: `Compatible with advanced applications processors requiring DVM (Dynamic Voltage Management)`Three buck regulators for powering high current processor functions or I/O's`6 LDO's for poweri...
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If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications.
All Inputs .......................−0.3V to +6V
GND to GND SLUG...................... ±0.3V
Junction Temperature (T J-MAX) ...............150°C
Storage Temperature..............−65°C to +150°C
Power Dissipation (TA = 70°C) (Note 3)............3.2W
Junction-to-Ambient ThermalResistance JA (Note 3)....25°C/W
Maximum Lead Temp (Soldering)...............260°C
ESD Rating (Note 5)
Human Body Model........................2 kV
Machine Model..........................200V
The LP3971 is a multi-function, programmable Power Management Unit, designed especially for advanced application processors. The LP3971 is optimized for low power handheld applications and provides 6 low dropout, low noise linear regulators, three DC/DC magnetic buck regulators, back-up battery charger and two GPIO's. A high speed serial interface is included to program individual regulator output voltages as well as on/off control.