Datasheet LTC4007 (Analog Devices) - 8

LTC4007
BLOCK DIAGRAM
0.1µF VIN DCIN 1 5.8V INFET Q3 23 CLN 2 CHG ACP 3 R R T RT SHDN 24 TIMER/CONTROLLER OSCILLATOR 4 FAULT 5 TBAD 32.4k RESTART NTC THERMISTOR 9 10k 0.47µF NTC – 397mV FLAG 17 C/10 35mV + GND 6 – 11.67µA 3C4C 7 MUX + CHEM 16 BAT 3k 15 – – RSENSE + 20µF CA1 LOBAT 8 3k 1.105V + + CSP 14 – 708mV 1.19V + Ω gm = 1m EA – 5k CLP Ω 18 – gm = 1.4m 9k RCL 15nF 100mV CL1 CLN Ω gm = 1m 19 + – CA2 ICL 13 + 1.19V DCIN ITH OSCILLATOR 10 WATCHDOG 6K 20µF DETECT tOFF + BUFFERED ITH 0.12µF OV ÷5 1.28V – CLN TGATE S + Q1 20 Q –+ R ICMP – BGATE CHARGE Q2 22 PWM LOGIC PGND 21 – IREV 17mV PROG + 11 L1 RPROG 0.0047µF 26.7k 4007 BD Rev D 8 For more information www.analog.com Document Outline Description Typical Application Absolute Maximum Ratings Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Typical Application Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Test Circuit Operation Applications Information Package Description Revision History Typical Application Related Parts