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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX6380 Datasheet

Ultra-Low-Power SC70/SOT23 Voltage Detectors

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19-1721; Rev 3; 12/05
3-Pin, Ultra-Low-Power SC70/SOT23
Voltage Detectors
General Description
The MAX6375–MAX6380 are ultra-low-power circuits
used for monitoring battery, power-supply, and regulat-
ed system voltages. Each detector contains a precision
bandgap reference, comparator, and internally trimmed
resistors that set specified trip threshold voltages.
These devices provide excellent circuit reliability and
low cost by eliminating external components and
adjustments when monitoring nominal system voltages
from 2.5V to 5V.
These circuits perform a single function: they assert an
output signal whenever the VCC supply voltage falls
below a preset threshold. The devices are differentiated
by their output logic configurations and preset thresh-
old voltages. The MAX6375/MAX6378 (push-pull) and
MAX6377/MAX6380 (open-drain) have an active-low
output (OUT is logic low when VCC is below VTH). The
MAX6376/MAX6379 have an active-high push-pull out-
put (OUT is logic high when VCC is below VTH). All
parts are guaranteed to be in the correct output logic
state for VCC down to 1V. The detector is designed to
ignore fast transients on VCC. The MAX6375/MAX6376/
MAX6377 have voltage thresholds between 2.20V and
3.08V in approximately 100mV increments. The
MAX6378/MAX6379/MAX6380 have voltage thresholds
between 3.30V and 4.63V in approximately 100mV
increments.
Ultra-low supply current of 500nA (MAX6375/MAX6376/
MAX6377) makes these parts ideal for use in portable
equipment. All six devices are available in a space-sav-
ing SC70 package or in a tiny SOT23 package.
Applications
Precision Battery Monitoring
Load Switching/Power Sequencing
Power-Supply Monitoring in Digital/Analog Systems
Portable/Battery-Powered Equipment
Features
Ultra-Low 500nA Supply Current
(MAX6375/MAX6376/MAX6377)
Thresholds Available from 2.20V to 4.63V in
Approximately 100mV Increments
±2.5% Threshold Accuracy Over Temperature
Low Cost
Available in Three Versions: Push-Pull OUT,
Push-Pull OUT, and Open-Drain OUT
Power-Supply Transient Immunity
No External Components
Available in Either a 3-Pin SC70
or 3-Pin SOT23 Package
Ordering Information
PART*
TEMP RANGE PIN-PACKAGE
MAX6375UR _ _ -T -40°C to +85°C 3 SOT23-3
MAX6375XR _ _ -T -40°C to +85°C 3 SC70-3
MAX6376UR _ _ -T -40°C to +85°C 3 SOT23-3
MAX6376XR _ _ -T -40°C to +85°C 3 SC70-3
*The MAX6375/MAX6376/MAX6377 are available in factory-preset
thresholds from 2.20V to 3.08V, in approximately 0.1V increments.
The MAX6378/MAX6379/MAX6380 are available in factory-preset
thresholds from 3.30V to 4.63V, in approximately 0.1V increments.
Choose the desired threshold suffix from Table 1 and insert it in
the blank spaces following R. There are 21 standard versions,
with a required order increment of 2500 pieces. Sample stock is
generally held on the standard versions only (see the Selector
Guide). The required order increment is 10,000 pieces for non-
standard versions (Table 2). Contact factory for availability. All
devices available in tape-and-reel only.
Devices are available in both leaded and lead-free packaging.
Specify lead-free by replacing “-T” with “+T” when ordering.
Ordering information continued at end of data sheet
Pin Configuration
Selector Guide appears at end of data sheet.
TOP VIEW
GND 1
OUT(OUT) 2
MAX6375XR–
MAX6380XR
OUT(OUT) 1
3 VCC
GND 2
MAX6375UR–
MAX6380UR
3 VCC
SC70-3
( ) ARE FOR MAX6376/MAX6379 ONLY.
SOT23-3
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX6380 Datasheet

Ultra-Low-Power SC70/SOT23 Voltage Detectors

No Preview Available !

3-Pin, Ultra-Low-Power SC70/SOT23
Voltage Detectors
ABSOLUTE MAXIMUM RATINGS
Terminal Voltage (with respect to GND)
VCC ...........................................................................-0.3V to +6V
OUT, OUT (push-pull) ................................-0.3V to (VCC + 0.3V)
OUT (open-drain) .....................................................-0.3V to +6V
Input Current (VCC) .............................................................20mA
Output Current (OUT, OUT) ................................................20mA
Continuous Power Dissipation (TA = +70°C)
3-Pin SC70 (derate 2.17mW/°C above +70°C) ...........174mW
3-Pin SOT23 (derate 4mW/°C above +70°C)..............320mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Junction Temperature ......................................................+150°C
Lead Temperature (soldering, 10s) .................................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(VCC = full range, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C and VCC = 3V.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
VCC Operating Range
TA = 0°C to +70°C
TA = -40°C to +85°C
1.0 5.5
1.2 5.5
Supply Current
MAX6375/76/77 only, VCC = 3.0V for VTH 2.93V,
ICC VCC = 3.2V for VTH > 2.93V, no load
VCC = 5.5V, no load
0.5 1.0
1.0 1.75
UNITS
V
µA
Voltage Threshold
VTH Table 1
TA = +25°C
TA = -40°C to +85°C
VTH - 1.5% VTH VTH + 1.5%
VTH - 2.5% VTH VTH + 2.5%
V
Voltage Threshold Tempco
Propagation Delay
OUT Output Voltage
(MAX6375/MAX6377/
MAX6378/MAX6380)
OUT Output Voltage
(MAX6375/MAX6377)
OUT Output Voltage
(MAX6376/MAX6379)
Voltage Threshold
Hysteresis
Open-Drain OUT Output
Leakage Current
VTH/°C
VOL
VOH
VOH
VOL
VCC = (VTH + 100mV) to (VTH - 100mV)
VCC = (VTH - 100mV) to (VTH + 100mV)
ISINK = 1.6mA, VCC > 2.1V, OUT asserted
ISINK = 100µA, VCC 1.2V, OUT asserted
ISOURCE = 500µA, VCC = 3.2V, MAX6375 only
ISOURCE = 800µA, VCC = 4.5V, VTH 4.38V
ISOURCE = 800µA, VCC = VTH(MAX), VTH 4.5V
ISOURCE = 500µA, VCC 2.1V, OUT asserted
ISOURCE = 50µA, VCC 1.2V, OUT asserted
ISINK = 1.2mA, VCC 3.2V, OUT not asserted,
MAX6376 only
ISINK = 3.2mA, VCC 4.5V, OUT not asserted,
VTH 4.38V
ISINK = 3.2mA, VCC = VTH(MAX), VTH 4.5V
MAX6375/MAX6376/MAX6377
MAX6378/MAX6379/MAX6380
40
20
42
0.8 VCC
0.8 VCC
0.8 VCC
0.8 VCC
0.8 VCC
6.3
9.5
0.3
0.4
0.3
0.4
0.4
0.1
Note 1: Production tested at +25°C only. Overtemperature limits are guaranteed by design, not production tested.
ppm/°C
µs
V
V
V
mV
µA
2 _______________________________________________________________________________________


Part Number MAX6380
Description Ultra-Low-Power SC70/SOT23 Voltage Detectors
Maker Maxim Integrated
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MAX6380 Datasheet PDF






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