MAX8660 High-Efficiency, Low-IQ, PMICs with Dynamic Voltage Management for Mobile Applications
■General Description
◆The MAX8660/MAX8661 power management ICs(PMICs) power applications processors (APs) in smart cellular phones, PDAs, Internet appliances, and other portable devices.
◆Four step-down DC-DC outputs, three linear regulators,and an 8th always-on LDO are integrated with power-management functions. Two dynamically controlled DC-DC outputs power the processor core and internal memory. Two other DC-DC converters power I/O, memory,and other peripherals. Additional functions include on/off control for outputs, low-battery detection, reset output,and a 2-wire I²C serial interface. The MAX8661 functions the same as the MAX8660, except it lacks the REG1step-down regulator and the REG7 linear regulator.
◆All step-down DC-to-DC outputs use fast 2MHz PWM switching and tiny external components. They automatically switch from PWM to high-efficiency, light-load operation to reduce operating current and extend bat-tery life. In addition, a forced-PWM option allows low-noise operation at all loads. Overvoltage lockout protects the device against inputs up to 7.5V.
■Features
◆Optimized for Marvell’s PXA300 and Armada 100 Family of Processors
◆Protected to 7.5V—Shutdown Above 6.3V
◆Four Synchronous Step-Down Converters
▲REG1, REG2, REG3, REG4
◆Four LDO Regulators
▲REG5, REG6, REG7, REG8
◆2MHz Switching Allows Small Components
◆Low, 20μA Deep-Sleep Current
◆Low-Battery Monitor and Reset Output
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MAX8660 、 MAX8660A 、 MAX8660B 、 MAX8661 、 MAX8660ETL+ 、 MAX8660ETL/V+ 、 PXA300 、 MAX8660AETL+ 、 MAX8660BETL+ 、 MAX8661ETL+ 、 PXA3xx 、 MAX8860B 、 MAX8860 、 MAX8861 |
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[ PDAs ][ Palmtops ][ Wireless Handhelds ][ Smart Cell Phones ][ Personal Media Players ][ Portable GPS Navigation ][ Digital Cameras ] |
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Datasheet |
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Please see the document for details |
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QFN;T4055-1;TQFN;T1655-2;T1655-3;T1655-4;T1655N-1;T2055-3;T2055M-3;T2055-4;T2055-5;T2055MN-5;T2855-3;T2855-4;T2855-5;T2855M-5;T2855-6;T2855-7;T2855-8;T2855MK-8;T2855N-1;T3255-3;T3255-4;T3255M-4;T3255-5;T3255M-5;T3255N-1;T4055-2;T4055N-1;T4055MN-1 |
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English Chinese Chinese and English Japanese |
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6/10 |
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Rev 3 |
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19-0587 |
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2.5 MB |
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