LT6700HS6-3 Linear Technology Corporation, LT6700HS6-3 Datasheet

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LT6700HS6-3

Manufacturer Part Number
LT6700HS6-3
Description
Manufacturer
Linear Technology Corporation
Datasheets

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FEATURES
TYPICAL APPLICATIO
APPLICATIO S
Low Quiescent Current: 6.5 A Typ at 5V
Wide Supply Range: 1.4V to 18V
400mV Reference 2% Accuracy Over Temperature
Input Range Includes Ground
Over-The-Top
Over-The-Top Open-Collector Outputs
Internal Hysteresis: 6.5mV Typ
Low Input Bias Current: 10nA Max
40mA Typical Output Sink Current
Supports Wired-AND Connections
Choice of Input Polarities: LT6700-1/LT6700-2/
LT6700-3
Low Profile (1mm) SOT-23 (ThinSOT
Battery-Powered System Monitoring
Threshold Detectors
Window Comparators
Relay Driving
Optoisolator Driving
Industrial Control Systems
Handheld Instruments
ALKALINE
AA CELLS
+
+
®
Input Range
U
1M
63.4k
261k
Micropower Battery Monitor
4
3
LT6700-3
+
+
V
REFERENCE
R
= 400mV
5
2
COMP B
COMP A
U
V
S
TM
6
1
) Package
6700123 TA01
0.1 F
1M
1M
MONITOR CONSUMES ~10 A
HYSTERESIS IS APPROXIMATELY
2% OF TRIP VOLTAGE
V
V
V
1.4V (MIN)
3V (NOM)
BATT
BATT
BATT
> 1.6V
> 2V
DESCRIPTIO
The LT
cropower, low voltage comparators with a 400mV refer-
ence in the 6-lead SOT-23 package. Operating with supplies
from 1.4V up to 18V, the devices draw only 6.5 A typical,
making them ideal for low voltage system monitoring.
Hysteresis is included in the comparators, easing design
requirements to insure stable output operation.
The comparators each have one input available externally,
the other inputs are connected internally to the reference.
The comparator outputs are open collector and the output
load can be referred to any voltage up to 18V, independent
of supply voltage. The output stage sinking capability is
guaranteed greater than 5mA over temperature.
The three versions of the part differ by the polarity of the
available comparator inputs. The LT6700-1 has one in-
verting input and one noninverting input, making it suit-
able for use as a window comparator. The LT6700-2 has
two inverting inputs and the LT6700-3 has two noninvert-
ing inputs. All versions are offered in commercial, indus-
trial and automotive temperature ranges.
LT6700-1/LT6700-2/LT6700-3
Over-The-Top is a registered trademark of Linear Technology.
ThinSOT is a trademark of Linear Technology Corporation.
Micropower, Low Voltage,
SOT-23, Dual Comparator
, LTC and LT are registered trademarks of Linear Technology Corporation.
®
with 400mV Reference
6700-1/LT6700-2/LT6700-3 combine two mi-
406
404
402
400
398
396
394
392
390
U
–60
TWO TYPICAL PARTS
COMP A AND B
V
S
Comparator Thresholds
–40 –20 0
= 5V
#1A
#1B
vs Temperature
TEMPERATURE ( C)
20 40 60 80 100
#2A
#2B
FALLING INPUT
RISING INPUT
6700123 TA02
120
6700123fb
1

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