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LEg0753A Dataheets PDF



Part Number LEg0753A
Manufacturers Legend Semicoducor
Logo Legend Semicoducor
Description Universal charger
Datasheet LEg0753A DatasheetLEg0753A Datasheet (PDF)

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.

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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 1.5V(,)Leg0753“”, 。,L1、L2 ,L3 ,, L1 , L2 ,。 2 5 Legend Semicoducor Mei Zhou of China L1 L2 L3 -1mA(*) -1mA 0 100mA 1mA - |VBTP-VBTN| <4.25V ≥4.25V 4.17V(**) <4.25V 4.25V <1V : L1 L2 L3 - -1mA(*) - -1mA -0 - 100mA - 1mA -- (*) ,( L1 ) (**) 1 |VBTP-VBTN| <4.25V ≥4.25V 4.17V(**) <4.25V 4.25V <1V 5 5.1 (,, GND 0 ) VDD VS ICHARGE VSHORT FOSC VDD=7V - VDD=6V, |VBTP-VBTN|<3.5V VDD=6V, |VBTP-VBTN|: 2V→0V VDD=6V, |VBTP-VBTN|=3.5V 5.5 7 11 4.20 4.25 4.30 150 250 - 1.5 - -2 4 V V mA V Hz 5 5 Legend Semicoducor Mei Zhou of China LEDVF: , LED VF R 1.67V-1.69V 22K 4.15V-4.18V 1.70V-1.72V 20K 4.17V-4,22V 1.73V-1.74V 18K 4.19V-4.22V 1.75V-1.77V 15K 4.16V-4.22V 1.78V-1.83V 12K 4.14V-4.23V 1.84V-1.88V 10K 4.15V-4.21V LED VF 1.89V-1.93V 1.94V-1.96V 1.97V-1.99V 1.99V-2.04V 2.05V-2.09V R 9.1K 8.2K 7.5K 6.8K 6.2K 4.16V-4.21V 4.16V-4.21V 4.17V-4.23V 4.15V-4.24V 4.17V-4.25V 5 .


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