Datasheet LTC4009, LTC4009-1, LTC4009-2 (Analog Devices) - 9

LTC4009 LTC4009-1/LTC4009-2 block DiagraM
(LTC4009)
DCIN 3 BOOST AND OV DETECTION CLP 2 INPUT CURRENT CLN LIMIT 1 ICL 4 CHRG C/10 8 DETECTION VFB + CSP 15 10 CA + – CSN – 14 R1 CC – – EA – PROG + 13 TO 1.2085V INTERNAL CIRCUITS REFERENCE ITH 12 BOOST OSCILLATOR 20 BAT 11 TGATE 19 TO SW INTERNAL 18 CIRCIUTS PWM CHARGE LOGIC 5V INTVDD REGULATOR 17 OVERVOLTAGE BGATE 16 9 FBDIV GND 21 DCDIV SHUTDOWN TO SHUTDOWN 4009 BD01 5 CONTROL INTERNAL ACP CIRCUITS 7 SHDN 6 4009fd Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Test Circuits Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts