D C B JP1 1 1 4.1V 2 4.2V C2 .047uF X7R 25V C1 1uF X5R 16V 1 2 12 14 7 13 SEL NC NC GATE 3 C5 0.1uF X7R 16V BAT NTC CHRG FAULT ACPR R3 .05 5% 1206 1,2 2,3 JP1 JP1 4 PIN Ref. 4.1V 4.2V Voltage Output Voltage Select U1 LTC1730EGN-4 C3 .022uF X7R 25V R2 10K R1 4.7 VIN NOTES : unless otherwise specified E2 GND E1 VIN 1 4 GND A 3 GND 8 2 GND 9 1 1 3 3 GND 16 VCC 2 SENSE TIMER 10 5 15 11 6 5 4 5 BAT SHDN R6 510 D3 AMBER JP2 NTC Ext. NTC R7 4.53K 1% 7 6 R8 10K 1% 1206 1 1 1 DC384 7 Sheet 1 8 1 of LTC1730EGN-4 E5 GND E4 SHDN E3 BAT 8 Li-Ion Battery Pulse Charger Document Number Date: Wednesday, April 16, 2003 Size A Title 1630 McCARTHY BLVD. MILPITAS, CA 95035 (408) 432-1900 (408) 434 - 0507 FAX LINEAR TECHNOLOGY CORP. R5 510 R4 510 C4 1uF X5R 10V D2 RED D1 GREEN 6 A Rev D C B A