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AS3722 Datasheet(PDF) 2 Page - ams-OSRAM AG |
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AS3722 Datasheet(HTML) 2 Page - ams-OSRAM AG |
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2 / 199 page  ams Datasheet Page 1 [v1-01] 2015-Sep-07 Document Feedback AS3722 Multi-Phase DCDC Controller PMIC The AS3722 is a compact System PMU supporting up to 20 high current rails. The device offers advanced power management functions. All necessary ICs and peripherals in a battery powered mobile device are supplied by the AS3722. It features 4 DCDC buck converters as well as 11 low noise LDOs. The different regulated supply voltages are programmable via the serial control interface. 3-4MHz operation with 0.47uH coils is reducing cost and PCB space. AS3722 further features 3 DCDC buck controller which are ideal to support processor currents ranging from 5A up to 32A depending on the used power stages. The multi-phase topology operating on 3MHz ensures fast load transient responses and reduces the footprint for external components. The single supply voltage may vary from 2.7V to 5.5V. Ordering Information and Content Guide appear at end of datasheet. Key Benefits & Features The benefits and features of AS3722, Multi-Phase DCDC Controller PMIC are listed below: Figure 1: Added Value of Using AS3722 Benefits Features • Compact design due to small coils for IO and memory voltage generation • 4 DCDC step down regulators (3-4MHz) • Output (0.6V-3.35V; 1x5A, 1x2A, 2x1.5A) • High current generation with external power stages to minimize PMIC power dissipation • 3 DCDC step down controller • DVM (0.6V-1.5V; 1x6A, 1x12A, 1x24A) • Multiple independent voltage rails for general purpose IO supplies • 11 universal LDOs • 9x universal IO range(0.8-3.3V; 0.3A) • 1x low output range (0.6-1.5V; 0.3A) • 1x extended input range (0.8-1.2V; 0.3A) • Ultra low-power oscillator and no external caps needed • RTC • 1μA total power consumption • Programmable alarm • Auto wake-up, repeating alarms • 32kHz output to peripherals General Description |
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