LTC4008 ABSOLUTE MAXIMUM RATINGS (Note 1) Voltage from DCIN, CLP, CLN to GND ... +32V/–0.3 V CLP to CLN ..+0.5V PGND with Respect to GND ...±0.3V Operating Ambient Temperature Range CSP, BAT to GND .. +28V/–0.3V (Note 4) ...–40°C to 85°C VFB, RT to GND ... +7V/–0.3V Operating Junction Temperature .. –40°C to 125°C NTC ...+10V/–0.3V Storage Temperature Range .. –65°C to 150°C ACP/SHDN, FLAG, FAULT, ICL .. +32V/–0.3V Lead Temperature (Soldering, 10 sec) ...300°C PIN CONFIGURATION LTC4008 LTC4008-1* TOP VIEW TOP VIEW DCIN 1 20 INFET DCIN 1 20 NC ICL 2 19 BGATE ICL 2 19 BGATE ACP/SHDN 3 18 PGND SHDN 3 18 PGND RT 4 17 TGATE RT 4 17 TGATE FAULT 5 16 CLP FAULT 5 16 CLP GND 6 15 CLN GND 6 15 CLN VFB 7 14 FLAG VFB 7 14 FLAG NTC 8 13 BATMON NTC 8 13 BATMON ITH 9 12 BAT ITH 9 12 BAT PROG 10 11 CSP PROG 10 11 CSP GN PACKAGE GN PACKAGE 20-LEAD NARROW PLASTIC SSOP 20-LEAD NARROW PLASTIC SSOP TJMAX = 125°C, θJA = 90°C/W TJMAX = 125°C, θJA = 90°C/W *The LTC4008EGN-1 does not have the Input FET function ORDER INFORMATION http://www.linear.com/product/LTC4008#orderinfoLEAD FREE FINISHTAPE AND REELPART MARKINGPACKAGE DESCRIPTIONTEMPERATURE RANGE LTC4008EGN#PBF LTC4008EGN#TRPBF LTC4008EGN 20-Lead Narrow Plastic SSOP –40°C to 125°C LTC4008EGN-1#PBF LTC4008EGN-1#TRPBF LTC4008EGN-1 20-Lead Narrow Plastic SSOP –40°C to 125°C Consult ADI Marketing for parts specified with wider operating temperature ranges. 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/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. Rev C 2 For more information www.analog.com Document Outline Description Typical Application Absolute Maximum Ratings Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Typical Application Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Test Circuit Operation Applications Information Package Description Revision History Related Parts