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AS3607 数据表(PDF) 16 Page - ams AG |
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AS3607 数据表(HTML) 16 Page - ams AG |
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16 / 71 page  www.austriamicrosystems.com Revision 1.03 15 - 70 AS3606 AS3607 2v2 Data Sheet - D e t a i l e d D e s c r i p t i o n - P o w e r M anage ment F uncti ons 8.2 DCDC Step-Down Converter These converters are meant to convert the battery voltage down to voltages which fit to the core and peripheral supply voltage requirements for microprocessors. Input Voltage VSUP1/2/3 (usually connected to VSUPSW) Output Voltage CVDD1 & CVDD2 & CVDD3 Output voltage levels can be programmed independently form 0.61V to 3.35V The default value at start-up is defined by the boot ROM DVM for all three outputs with selectable timings Driver strength 700mA, DCDC2 & 3 can be combined together to double the output current Under- and over-voltage detection High efficiency current force mode 1MHz or 2MHz switching frequency Fast regulation mode Figure 6. DCDC Step-Down Block Diagram |
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