LG M6100 Service Manual - Page 35
Ad6535 Power Mode Logic
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3. TECHNICAL BRIEF Figure 3-14. AD6535 POWER MODE LOGIC 2. LDO Block 1. There are 8 LDOs in the AD6535. - VCORE : supplies Digital baseband Processor core and AD6535 digital core - VMEM : supplies external memory and the interface to the external memory on the digital baseband processor (1,8V or 2.8V, 150mA) - VEXT : supplies Radio digital interface and high voltage interface (2.8V, 170mA) - VSIM : supplies the SIM interface circuitry on the digital processor and SIM card (2.85V, 20mA) - VRTC : supplies the Real-Time Clock module (1.8 V, 20 A) - VABB : supplies the analog portions of the AD6537B - VMIC : supplies the microphone interface circuitry (2.5 V, 1 mA) - VVCXO : supplies the voltage controlled crystal oscillator ( 2.75 V, 10 mA) - VBACK : charges the backup battery and supplies the RTC regulator (2.8V, 1.8V) - VAPP : supplies application co-processors such as a touch screen digitizer (3.0V, 1.8V) - VUSB : supplies the USB interface. - 36 -