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LEg0753A - Universal charger

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Part number LEg0753A
Manufacturer Legend Semicoducor
File Size 275.94 KB
Description Universal charger
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5 Legend Semicoducor Mei Zhou of China IC LEg0753A/B 1 :  ,,,、, ;  ,,””, , ;  4.25V(),,VFLED;  ,,,,COB;  ,;  !,DIP400mA ,300 mA ;COB 300mA ,200 mA ; 2 DIP COB 1 8 BTN () 2 1 L3 L3 3 2 L2 L2 () 4 4 L1 () L1 5 6 ADJ 6 5 GND () 7 7 BTP () 3 L2A L2 () 8 9 VDD 1 5 Legend Semicoducor Mei Zhou of China 3 :(DIP-8) :(DIP-8) L1 (VF) 1.70V-2.10V( 2mA ) LED。R1(6.2k-20k)。VF,R1,R1 ±5% 2 5 Legend Semicoducor Mei Zhou of China 4 () 4.1 VDD ,Leg0753“” , L1 ,。 , 4.25V(), L2 ,L3 , ; 4.25V(,) L2 ,L3 , ,。, 4.25V() , L2 ,; 4.25V(),L2 ,,。 4.2 VDD ,L1、L2 ; BTP BTN 4.15V()。 4.3 VDD , Leg0753 (,),, , L1 ,L2 ,L3 ,; 4.25V(),L2 , L3 ,,; , L2 , L2 。 4.4 ,, BTP BTN 1.
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