LTC4000 absoluTe MaxiMuM raTings(Note 1) IN, CLN, I D, CSP, CSN, BAT ... –0.3V to 62V BIAS ...–0.3V to Min (6V, VIN) IN-CLN, CSP-CSN ..–1V to 1V IBMON ..–0.3V to Min (VBIAS, VCSP) OFB, BFB, FBG ... –0.3V to 62V ITH ... –0.3V to 6V FBG ..–1mA to 2mA CHRG, FLT, RST .. –0.3V to 62V IGATE ...Max (VIID, VCSP) – 10V to Max (VIID, VCSP) CHRG, FLT, RST ..–1mA to 2mA BGATE ...Max (VBAT, VCSN) – 10V to Max (VBAT, VCSN) Operating Junction Temperature Range ENC, CX, NTC, VM ...–0.3V to VBIAS (Note 2) ... 125°C IL, CL, TMR, I MON, CC ...–0.3V to VBIAS Storage Temperature Range .. –65°C to 150°C pin conFiguraTion TOP VIEW TOP VIEW ENC 1 28 IL GND IN CLN CC ITH IID IBMON 2 27 IIMON 28 27 26 25 24 23 CX 3 26 RST VM 1 22 IGATE CL 4 25 VM RST 2 21 OFB TMR 5 24 GND IIMON 3 20 CSP GND 6 23 IN IL 4 29 19 CSN FLT 7 22 CLN GND ENC 5 18 BGATE CHRG 8 21 CC IBMON 6 17 BAT BIAS 9 20 ITH CX 7 16 BFB NTC 10 19 IID CL 8 15 FBG 9 10 11 12 13 14 FBG 11 18 IGATE BFB 12 17 OFB TMR GND FLT CHRG BIAS NTC BAT 13 16 CSP UFD PACKAGE BGATE 14 15 CSN 28-LEAD (4mm × 5mm) PLASTIC QFN TJMAX = 125°C, θJA = 43°C/W, θJC = 4°C/W GN PACKAGE EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB 28-LEAD PLASTIC SSOP TJMAX = 125°C, θJA = 80°C/W, θJC = 25°C/W orDer inForMaTion LEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LTC4000EUFD#PBF LTC4000EUFD#TRPBF 4000 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LTC4000IUFD#PBF LTC4000IUFD#TRPBF 4000 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LTC4000EGN#PBF LTC4000EGN#TRPBF LTC4000GN 28-Lead Plastic SSOP –40°C to 125°C LTC4000IGN#PBF LTC4000IGN#TRPBF LTC4000GN 28-Lead Plastic SSOP –40°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ 4000fb 2 For more information www.linear.com/LTC4000 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 Revision History Typical Application Related Parts
