Uiswitch Main Features - Nokia NSW-5 Series Service Manual

NSW-5
System Module UT5U

UISWITCH main features

– two adjustable constant current sinks for keyboard and LCD LEDs
– LED ON/OFF control
– buzzer ON/OFF control
– FET switch for buzzer current
– vibra ON/OFFcontrol (no internal vibrator in NSW–5)
– FET switch for vibra current
– thermal shutdown
– power down function for optimum current consumption
– package TSSOP20 because of low height requirement
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PAMS Technical Documentation
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