LTC4000-1 Typical applicaTions Y , 2.5A V SYS 4.4V TTER SINGLE-CELL Li-Ion BA PACK 25mΩ SiA923EDJ NTHS0603 N02N1002J 40001 F31 R NTC 309k 10nF 309k 115k 115k 10k 10M F 1µ CSP TE TE CSN BAT OFB FBG BFB NTC IFB BIAS BGA IGA SiA923EDJ GND IID 22.1k CX 100nF F CLN TMR 1µ 20mΩ LTC4000-1 22.1k IN CL 10nF 150k IBMON VM 100k ITH RST FLT CC CHRG ENC IIMON 100µF ×3 10nF 14.7k 100nF V OUT PDS1040 1.5k BAS516 rickle Charge Current • V OUT • • TR1 13.6k PA1277NL V CC 150pF ISO1 BAS516 68Ω to 4.2V at 2.0A Isolated Flyback Single-Cell Li-Ion Battery Charger 0.04Ω PS2801-1-K INermination and 0.22A T BAS516 3.01k 681Ω F FDC2512 1µ TE ITH OC imer T GA FB A42 ISENSE V CC GND MMBT V CC LTC3805-5 SYNC T Figure 31. 18V to 72V with 2.9h T 75k RUN SSFL FS PDZ6.8B 6.8V 221k µF 0.1 221k 15.8k 2.2µF ×2 V IN 18V TO 72V 40001fa 36 For more information www.linear.com/LTC4001-1 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts