LT6700/LT6700HV
20
6700123fh
For more information www.linear.com/LT6700
LINEAR TECHNOLOGY CORPORATION 2003
LT 0613 REV H • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LT6700
RELATED PARTS
TYPICAL APPLICATIONS
PowerPath™ Controller
48V Status Monitor
PART NUMBER DESCRIPTION COMMENTS
LT1017/LT1018 Micropower Dual Comparator 1.1V (Min) Supply Voltage, ±1.4mV (Max) Input Offset
LTC1441/LTC1442 Micropower Dual Comparator with 1% Reference 1.182 ±1% Reference, ±10mV (Max) Input Offset
LTC1998 Micropower Comparator for Battery Monitoring 2.5µA Typ Supply Current, Adjustable Threshold and Hysteresis
LT6703 Micropower Comparator with 400mV Reference 1.4V to 18V Supply Current, 6.5µA Supply Current
1.74M
7.87k
V
IN
27k 33k
MOC-207
6700123 TA03
V
OUT
LOW = (39V < V
IN
< 70V)
3V/5V
1 6
2 5
33k
V
IN
HYSTERESIS ZONES
APPROXIMATELY
2% OF TRIP VOLTAGE
V
OUT
LED OFF
LED ON
V
L
V
H
10k
5.1V
CMPZ5231B
22V
CMPZ5251B
0.1µF
+
–
LT6700-1
V
S
GND
+INA
–INB OUTB
OUTA
LT6700-3
V
S
GND
+INA
+INB OUTB
OUTA
1k
R1
249k
R2
150k
R1 = 400k/(V
BATT
AT LOW –0.4)
R2 = 400k/(V
BATT
AT MAX –0.4)
HYSTERESIS ZONES APPROXIMATELY 2% OF TRIP VOLTAGE
PowerPath IS A TRADEMARK OF LINEAR TECHNOLOGY CORPORATION
1M 1M
Si2301DS
B0520LW
100k
V
SUPPLY
1.6V MIN
3V NOM
V
WART
> 3.1V
V
BATT
> 2V
1µF
6700123 TA04
10k
“WART” INPUT
3.3V NOM
ALKALINE
AA CELLS
+
+
