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| : PJ3963 for Li-battery charger Preliminary Page 1 of 4 PJ3963 IC . PJ3963 DC/DC IC PJ3963 1 (3.6V) 4.3V 700mA NTC LED 70% . 1. DC 12V 10% (10.8V~13.2V) 2. (W)4.0W 3. (Vo)DC 4.35V () 4. (Io)600mA () 5. (W)2.6W 6. 7. NTC 55C 8. LED LED 9. 50C 10. 70% . PDA SOP-16 PIN DEFINE PIN 1 SN1 2 OUT 3 RC 4 GND 5 LED 6 COM1 7 S1 8 GND SENSE Net 1 OUTPUT Oscillator Capacitor Power ground LED charger indicator Common 1 Send output 1 Power ground PIN 16 SN2 SENSE Net 2 15 ON/OFF Switching On/Off 14 VCC Power Supply 13 SV Sense Voltage 12 VCC Power Supply 11 NTC NTC input 10 COM2 Common 2 9 Send output 2 S2 . 12V PJ3963 DC/DC DC4.3V/600mA NTC : PJ3963 . for Li-battery charger Preliminary Page 2 of 4 . ( 12V) 1. (Vo)1.25V(1+R2/R1)(Vo=4.375V , R1=10K,R2=25K) 2. (Io)0.3V /R5 (Io=0.6A , R1=0.5) 3. NTC R3 NTC NTC 25C 10KK=3977(R25/85) 2%( Philips 2322 640 4103) R4=R3 (45C NTC )=4.85K (4.7K) NTC45(4.83K)50(4.07K)55(3.45K)60(2.94K) . 1. Vcc 6 to 40VVo 2.5 to 18V(Vo Vcc 2.8V ) 2. 0.9A 1.5A 3. ( I continue = 0.8~2.5A) ---PJB772 (TO-252/TO-126) 0.7~1.5A ---PJB1386 (SOT-89/TO-252) 1.0~2.5A : PJ3963 . for Li-battery charger Preliminary Page 3 of 4 (1) 1000mAH Li-ion Battery (2) 470mAH Li-ion Battery : PJ3963 for Li-battery charger Preliminary Page 4 of 4 . |
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