Only For Training And Service Purposes - LG KP235 Service Manual

E. LDO Block
There are8 LDOs in the AD6724.
- 1V8_VCORE: supplies Digital baseband Processor core and AD6721 digital core(1.8V, 80mA)
- 2V8_VMEM: supplies external memory and the interface to the external memory on the digital
baseband processor (2.8V, 150mA)
- 2V8_VEXT: supplies Radio digital interface and high voltage interface (2.8V, 200mA)
- 2V85_VSIM: supplies the SIM interface circuitry on the digital processor and SIM card
(2.85V,1.8V, 20mA)
- 1V8_VRTC: supplies the Real-Time Clock module (1.8 V, 20 •ÏA)
- 2V5_VMIC: supplies the microphone interface circuitry (2.5 V, 2 mA)
- 2V75_VVCXO: supplies the voltage controlled crystal oscillator ( 2.75 V, 10 mA)
-2V75_VABB: analog basand relulator
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Only for training and service purposes

3. TECHNICAL BRIEF
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