Datasheet LTC4007-1 (Analog Devices) - 8
| Fabricante | Analog Devices |
| Descripción | 4A, High Efficiency, Li-Ion Battery Charger |
| Páginas / Página | 24 / 8 — block DiagraM |
| Formato / tamaño de archivo | PDF / 309 Kb |
| Idioma del documento | Inglés |
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LTC4007-1
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0.1µF VIN DCIN 23 5.8V INFET Q3 21 CLN 24 CHG ACP 1 R R T RT SHDN 22 TIMER/CONTROLLER OSCILLATOR 2 FAULT 3 TBAD NTC 32.4k THERMISTOR 7 10k 0.47µF NTC – 397mV FLAG 14 C/10 35mV + GND 4 – 11.67µA 3C4C 5 MUX + CHEM 13 BAT 3.01k 12 – RSENSE + 20µF CA1 LOBAT 6 + CSP 3.01k 11 – 921mV 1.19V + Ω gm = 1m EA – 5k CLP Ω 15 – gm = 1.4m 9k RCL 15nF 100mV CL1 Ω CLN gm = 1m 16 + – CA2 ICL 10 + 1.19V DCIN ITH OSCILLATOR 8 WATCHDOG 6K 20µF DETECT tOFF + BUFFERED ITH 0.12µF OV ÷5 1.28V – CLN TGATE S + Q1 17 Q –+ R ICMP – BGATE CHARGE Q2 20 PWM LOGIC PGND 18 – IREV 17mV PROG + 9 L1 RPROG 0.0047µF 26.7k 40071 BD 40071fa 8 For more information www.linear.com/LTC4007-1 Document Outline Description Typical Application Absolute Maximum Ratings Typical Performance Characteristics Pin Functions Block Diagram Operation Typical Application Related Parts
block DiagraM
0.1µF VIN DCIN 23 5.8V INFET Q3 21 CLN 24 CHG ACP 1 R R T RT SHDN 22 TIMER/CONTROLLER OSCILLATOR 2 FAULT 3 TBAD NTC 32.4k THERMISTOR 7 10k 0.47µF NTC – 397mV FLAG 14 C/10 35mV + GND 4 – 11.67µA 3C4C 5 MUX + CHEM 13 BAT 3.01k 12 – RSENSE + 20µF CA1 LOBAT 6 + CSP 3.01k 11 – 921mV 1.19V + Ω gm = 1m EA – 5k CLP Ω 15 – gm = 1.4m 9k RCL 15nF 100mV CL1 Ω CLN gm = 1m 16 + – CA2 ICL 10 + 1.19V DCIN ITH OSCILLATOR 8 WATCHDOG 6K 20µF DETECT tOFF + BUFFERED ITH 0.12µF OV ÷5 1.28V – CLN TGATE S + Q1 17 Q –+ R ICMP – BGATE CHARGE Q2 20 PWM LOGIC PGND 18 – IREV 17mV PROG + 9 L1 RPROG 0.0047µF 26.7k 40071 BD 40071fa 8 For more information www.linear.com/LTC4007-1 Document Outline Description Typical Application Absolute Maximum Ratings Typical Performance Characteristics Pin Functions Block Diagram Operation Typical Application Related Parts