LTC1842 데이터 시트보기 (PDF) - Linear Technology
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LTC1842 Datasheet PDF : 12 Pages
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LTC1841/LTC1842/LTC1843
TYPICAL APPLICATION
Low-Battery Load Disconnect and Charge Termination
Si9924DY
VIN
1-CELL
7
Li-Ion
BATTERY
2.55M
V+
LTC1843
2M
4 IN B–
–
OUT B 8
+
LBO
AT VIN = 3V
2M
453k
3 IN A+
+
1.2M
6 REF
–
OUT A 1
FULL CHARGE
AT VIN = 4.2V
V–
2
10k
1.2M
HYST
5
1841/43 TA03
RELATED PARTS
PART NUMBER
LT®1178/LT1179
LT1351
LT1352/LT1353
LTC1440/LTC1540
LTC1441/LTC1442
LTC1443/LTC1444/LTC1445
DESCRIPTION
Dual/Quad 17µA Precision Single Supply Op Amps
Single 250µA, 3MHz, 200V/µs Op Amp with Shutdown
Dual/Quad 250µA, 3MHz, 200V/µs Op Amps
Micropower Comparator with 1% Reference
Micropower Dual Comparator with 1% Reference
Micropower Quad Comparator with 1% Reference
LTC1474
LT1495
LT1521
LTC1541/LTC1542
Low Quiescent Current High Efficiency Step-Down
Switching Regulator
1.5µA Max, Dual Precision Rail-to-Rail
Input and Output Op Amp
300mA Low Dropout Regulator with Micropower
Quiescent Current and Shutdown
Micropower Op Amp, Comparator and Reference
LT1634
Micropower Precision Shunt Voltage Reference
C-Load is a trademark of Linear Technology Corporation.
COMMENTS
70µV Max VOS, 5nA Max IBIAS
C-LoadTM Op Amp Stable Driving Any Capacitive Load
C-Load Op Amps Stable Driving Any Capacitive Load
1.182V ±1% Reference, ±10mV (Max) Input Offset
1.182V ±1% Reference (LTC1442)
LTC1443 Has 1.182V Reference, LTC1444/LTC1445 Have
1.221V Reference and Adjustable Hysteresis
10µA Standby Current, 92% Efficiency, Space Saving 8-Pin
MSOP Package
375µV Max VOS, 250pA IBIAS, 25pA IOS
0.5V Dropout Voltage, 12µA Quiescent Current, Adjustable
Output 3V, 3.3V and 5V Fixed
1.200V ±0.8% Reference (LTC1541) Op Amp Outputs Stable
with 1000pF Load
1.25V Output, 10µA Operating Current, 0.1% Initial Accuracy
10ppm/°C Max Drift
12 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX:(408)434-0507 q www.linear-tech.com
184123f LT/TP 1298 4K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1998
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