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PDF MAX6377 Data sheet ( Hoja de datos )
| Número de pieza | MAX6377 | |
| Descripción | Ultra-Low-Power SC70/SOT23 Voltage Detectors | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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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.
1 page  
3-Pin, Ultra-Low-Power SC70/SOT23
Voltage Detectors
Table 1. Factory-Trimmed Reset Thresholds‡ (continued)
PART
MAX6378_R
MAX6379_R
MAX6380_R
SUFFIX
33
34
35
36
37
38
39
40
41
42
43
44
45
46
MIN
3.250
3.349
3.447
3.546
3.644
3.743
3.841
3.940
4.038
4.137
4.235
4.314
4.432
4.560
RESET THRESHOLD VOLTAGE, VTH (V)
TA = +25°C
TYP
MAX
TA = -40°C TO +85°C
MIN MAX
3.300
3.350
3.217
3.383
3.400
3.451
3.315
3.485
3.500
3.552
3.412
3.587
3.600
3.654
3.510
3.690
3.700
3.755
3.607
3.792
3.800
3.857
3.705
3.895
3.900
3.958
3.802
3.997
4.000
4.060
3.900
4.100
4.100
4.161
3.997
4.202
4.200
4.263
4.095
4.305
4.300
4.364
4.192
4.407
4.380
4.446
4.270
4.489
4.500
4.567
4.387
4.612
4.630
4.699
4.514
4.746
‡Factory-trimmed reset thresholds are available in approximately 100mV increments with a 1.5% room-temperature variance.
Table 2. Device Marking Codes and Minimum Order Increments
PART
TOP MARK TOP MARK ORDER
(SC70) (SOT23) INCREMENT (k)
MAX6375_R22-T
ADH
FZHD
2.5
MAX6375_R23-T
MAX6375_R24-T
ADI
—
FZHE
—
2.5
10
MAX6375_R25-T
MAX6375_R26-T
—
ACZ
—
FZHC
10
2.5
MAX6375_R27-T
—
—
10
MAX6375_R28-T
MAX6375_R29-T
—
ADJ
—
FZHF
10
2.5
MAX6375_R30-T
MAX6375_R31-T
—
ADK
—
FZHG
10
2.5
MAX6376_R22-T
ADL
FZHH
2.5
MAX6376_R23-T
ADM
FZHI
2.5
MAX6376_R24-T
—
—
10
MAX6376_R25-T
—
—
10
MAX6376_R26-T
ADN
FZHJ
2.5
MAX6376_R27-T
—
—
10
MAX6376_R28-T
—
—
10
MAX6376_R29-T
ADA
FZHK
2.5
PART
TOP MARK TOP MARK ORDER
(SC70) (SOT23) INCREMENT (k)
MAX6376_R30-T
—
—
10
MAX6376_R31-T
ADO
FZHL
2.5
MAX6377_R22-T
MAX6377_R23-T
ADP
ADB
FZHM
FZHN
2.5
2.5
MAX6377_R24-T
MAX6377_R25-T
—
—
—
—
10
10
MAX6377_R26-T
ACQ
FZHO
2.5
MAX6377_R27-T
MAX6377_R28-T
—
—
—
—
10
10
MAX6377_R29-T
MAX6377_R30-T
ADC
—
FZHP
—
2.5
10
MAX6377_R31-T
ADR
FZHQ
2.5
MAX6378_R33-T
—
—
10
MAX6378_R34-T
—
—
10
MAX6378_R35-T
—
—
10
MAX6378_R36-T
—
—
10
MAX6378_R37-T
—
—
10
MAX6378_R38-T
—
—
10
_______________________________________________________________________________________ 5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet MAX6377.PDF ] | |
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