Nokia 9000i Service Manual page 156

RAE/RAK–1N
PDA Hardware
Main components
– 3.3V current mode PWM controller IC
– MAX763AESA from Maxim
– 5V linear regulator
– LP29801M5–5.0 from National Semiconductor
– 21V switch mode PFM controller IC
– MAX772ESA from Maxim
– PWRGOOD reset circuit
– MAX809T from Maxim
– 3.0V primary back–up battery, 130mAh
– CR2320 with custom made pins from Matsushita
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After Sales
Technical Documentation
Original, 08/96