Datasheet

LT1634
12
1634fe
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 1998
LT 0409 REV E • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATIONS
PART NUMBER DESCRIPTION COMMENTS
LTC1440 Micropower Comparator with Reference 3.7μA Max Supply Current, 1% 1.182V Reference,
MSOP, PDIP and SO-8 Packages
LT1460 Micropower Series Reference 0.075% Max, 10ppm/°C Max Drift, 2.5V, 5V and 10V Versions,
MSOP, PDIP, SO-8, SOT-23 and TO-92 Packages
LT1495 1.5μA Precision Rail-to-Rail Dual Op Amp 1.5μA Max Supply Current, 100pA Max IOS
LTC1540 Nanopower Comparator with Reference 600nA Max Supply Current, 2% 1.182V Reference,
MSOP and SO-8 Packages
R
H1
10M
5%
R
SW
1M
5%
R
S
51k
5%
R3
1.75M
0.1%
T0 LOAD
SW
OFF
V
BAT
R4
1.25M
0.1%
D1
A BATTERY
R
H2
10M
5%
R1
500k
0.1%
R2
1.25M
0.1%
D1, D2: 1N458
R1 TO R4: CAR6 SERIES IRC [phone]
LT1634-1.25
D2
V
BAT
1.75V
1.25V
1634 TA05
–
+
A2
1/4 LT1496
–
+
A4
1/4 LT1496
–
+
–
+
A3
1/4 LT1496
A1
1/4 LT1496
CHARGER
–
+
LT1634
1.25V
1634 TA06
COMI
OUT
1μA
R1 TO R3:
MAR5 SERIES, IRC
[phone]
V
OUT
1.5V
R4
24k
5%
R1
200k
0.1%
R2
1M
0.1%
R3
249k
0.1%
2 AAA
ALKALINE
CELLS
1/2 LT1495
–
+
1/2 LT1495
ZTX214C
Single Cell Li-Ion Battery Supervisory Circuit (I
Q
= 20μA)
Micropower Voltage and Current Reference