Datasheet
12
LTC1443/LTC1444/LTC1445
144345fc
LT 0206 REV C • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1995
PART NUMBER DESCRIPTION COMMENTS
LTC1041 Bang-Bang Controller with 1nA Off Current 2.8V to 18V, Ideal for Temperature or Motor Control Circuit
LTC1042 Micropower, High Accuracy Window Comparator Fault Detect, Go/No Go Test, Supply Monitor
LTC1440/LTC1540 Ultralow Power Comparator with Reference 1.128V ±1% Reference, ±10mV (Max) Input Offset
LTC1441/LTC1442 Dual Ultralow Power Comparators with Reference 1.182V ±1% Reference, 8µs Prop Delay, 5.7µA
LTC1541/LTC1542 Combined Amplifier, Comparator and Reference 1.2V ±0.8 Reference, Amplifier Stable with 1000pF Load
LTC1842/LTC1843 Dual Ultralow Power Comparators with Reference 1.182V ±1% Reference, 4µs, 3.5µA, Open-Drain Out
LTC1921 Dual Independent Monitors for –48V Supply and Fuse –48V Telecom and Network Backplane Monitor
LTC1998 High Accuracy Comparator with 1.2V Reference Adjustable Threshold and Hysteresis, 2.5mA Supply
LT
®
6700-1/LT6700-2 Dual Comparators with 400mV Reference 1.4V to 18V Operating Range, 18µs Prop Delay,
LT6700-3 Available in SOT-23 and 2mm × 3mm DFN Packages
RELATED PARTS
Single Cell to 5V Supply
NC
NC
3
6
7
5
4
11
10
3
1
4
6
2, 4
16
15
13
12
LTC1443/44/45 • F06
7
5
1
2
3
14
8REF
9V
–
C2, C3: AUX TPSD107M010R0100 OR
SANYO OS-CON 16SA100M
R5
51k
5%
2
81
C2
100µF
C3
100µF
R8
732k
1%
R9
267k
1%
PWR GND GND
V
IN
SW
L1
10µH
SUMIDA
CD54-100
D1
1N5817
I
LIM
SEL
SENSE
SHDN
LT1300
Q1
MMFT2955ETI
C1
1µF
R10
3.37M
5%
R11
51k
5%
R12
51k
5%
–
+
C
1/4 LTC1444
–
+
A
1/4 LTC1444
–
+
D
1/4 LTC1444
C4
0.22µF
V
CC
µP
NMI
RESET
R7
51k
5%
R2
82.5k
1%
R1
1.1M
5%
R3
1M
1%
1 CELL
LITHIUM-
ION
BATTERY
R4
2.4M
5%
R6
430Ω
5%
LTC1444
REF
–
+
B
1/4 LTC1444
HYST
V
+
+
+
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
TYPICAL APPLICATIO
U