Sony Ericsson K850 - Components N2205 - N2208

K850
1203-2528 rev. 1
APPENDIX Components N2205 - N2208
APPENDIX
Connection Diagrams
Pin Descriptions
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A1 PV
IN
Power Supply Voltage Input to the internal PFET switch.
B1 V
DD
Analog Supply Input.
C1 EN Enable Input. Set this digital input high for normal operation. For shutdown, set this pin low.
C2 V
CON
Voltage Control Analog input. V
CON
controls V
OUT
in PWM mode.
C3 FB Feedback Analog Input. Connect to the output at the output lter capacitor.
B3 SGND Analog and Control Ground
A3 PGND Power Ground
A2 SW Switch node connection to the internal PFET switch and NFET synchronous rectier.
Connect to an inductor with a saturation current rating that exceeds the maximum Switch Peak
Current Limit specication of the LM3208.
Block Diagram
N2205 IC Voltage Regulator 1200-0107 N2208 IC Voltage Regulator RYT113997/4
SEMC Troubleshooting Manual
82 (101)