MAX8660ETL+T

The MAX8660ETL+T is a high efficiency, low IQ, power management IC (PMIC) with dynamic voltage management for mobile applications in 40 pin TQFN package. Four synchronous step-down DC to DC outputs (REG1, REG2, REG3, REG4), three linear regulators (REG5, REG6, REG7, REG8) and an 8th always on LDO are integrated with power management functions. Two dynamically controlled DC to DC outputs power the processor core and internal memory. Two other DC to DC converters power I/O, memory and other peripherals. Additional functions include on/off control for outputs, low battery detection, reset output and 2-wire I2C serial interface. All step-down DC to DC outputs use fast 2MHz PWM switching and tiny external components. It automatically switches from PWM to high efficiency, light load operation to reduce operating current and extend battery life. A forced PWM option allows low noise operation at all loads. Overvoltage lockout protects device against inputs up to 7.5V.

• Supply voltage range from 2.6V to 6V (PV1, PV2, PV3, PV4, IN & IN8 connected together externally)
• Operating temperature range from -40°C to 85°C
• Smallest size and highest efficiency PMIC solutions
• Optimized for Marvell’s PXA300 and Armada 100 family of processors
• Protected to 7.5V and shutdown above 6.3V
• 2MHz switching allows small components
• Low deep sleep current of 20μA
• Low battery monitor and reset output
• Soft-start ramp rate of 7mV/μs (V1 = 3.3V (total ramp time is 450μs for all V1 output voltages))
• Maximum duty cycle of 100% and minimum duty cycle of 16.7%

Ostrzeżenia

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Uwagi

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