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參數資料
| 型號： | MAX6326UR43-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 3-Pin, Ultra-Low-Power SC70/SOT ????P Reset Circuits |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封裝： | SOT-23, 3 PIN |
| 文件頁數： | 1/8頁 |
| 文件大小： | 131K |
| 代理商： | MAX6326UR43-T |
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
General Description
The MAX6326/MAX6327/MAX6328/MAX6346/MAX6347/
MAX6348 microprocessor (μP) supervisory circuits moni-
tor the power supplies in μP and digital systems. These
devices provide excellent circuit reliability and low cost
by eliminating external components and adjustments
when used with 2.5V, 3V, 3.3V, and 5V powered circuits.
These circuits perform a single function: they assert a
reset signal whenever the V
CC
supply voltage declines
below a preset threshold, keeping it asserted for at least
100ms after V
CC
has risen above the reset threshold.
The only difference between the devices is their output.
The MAX6326/MAX6346 (push-pull) and MAX6328/
MAX6348 (open-drain) have an active-low reset output.
The MAX6327/MAX6347 have an active-high push-pull
reset output. All of these parts are guaranteed to be in
the correct state for V
CC
down to 1V. The reset compara-
tor is designed to ignore fast transients on V
CC
. Reset
thresholds are factory-trimmable between 2.2V and
4.63V, in approximately 100mV increments. Twenty-one
standard versions are available. Contact the factory for
availability of nonstandard versions.
Ultra-low supply currents (1μA max for the MAX6326/
MAX6327/MAX6328) make these parts ideal for use in
portable equipment. All six devices are available in
space-saving SOT23 and SC70 packages.
Applications
Intelligent Instruments
Automotive
Portable/Battery-Powered
Equipment
Computers
Controllers
Critical μP and μC
Power Monitoring
Features
o
Ultra-Low 1μA (max) Supply Current
(MAX6326/MAX6327/MAX6328)
o
Precision Monitoring of 2.5V, 3V, 3.3V, and 5V
Power-Supply Voltages
o
Reset Thresholds Available from 2.2V to 4.63V
o
Fully Specified Over Temperature
o
100ms (min) Power-On Reset Pulse Width
o
Low Cost
o
Available in Three Versions: Push-Pull
RESET
,
Push-Pull RESET, and Open-Drain
RESET
o
Power-Supply Transient Immunity
o
No External Components
o
3-Pin SC70/SOT23 Packages
o
Pin Compatible with MAX803/MAX809/MAX810
M
3-Pin, Ultra-Low-Power SC70/SOT
μP Reset Circuits
________________________________________________________________
Maxim Integrated Products
1
1
2
3
V
CC
(RESET) RESET
GND
( ) ARE FOR THE MAX6327/MAX6347.
MAX6326
MAX6327
MAX6328
MAX6346
MAX6347
MAX6348
SOT23-3/SC70-3
TOP VIEW
Pin Configuration
19-1294; Rev 3; 1/00
The MAX6326/MAX6327/MAX6328/MAX6346/MAX6347/
MAX6348 are available in factory-set V
CC
reset thresholds from
2.2V to 4.63V, in approximately 0.1V increments. Choose the
desired reset-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 gen-
erally held on the standard versions only (see the Selector
Guide). Required order increment is 10,000 pieces for nonstan-
dard versions (Table 2). Contact factory for availability. All
devices available in tape-and-reel only.
Ordering Information
3 SC70-3
3 SOT23-3
3 SC70-3
3 SOT23-3
3 SC70-3
3 SOT23-3
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
MAX6348
XR_ _-T
MAX6348UR_ _-T
MAX6347
XR_ _-T
MAX6347UR_ _-T
MAX6346
XR_ _-T
MAX6346UR_ _-T
3 SC70-3
3 SOT23-3
3 SC70-3
3 SOT23-3
3 SC70-3
3 SOT23-3
PIN-PACKAGE
TEMP. RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
MAX6328
XR_ _-T
MAX6328UR_ _-T
MAX6327
XR_ _-T
MAX6327UR_ _-T
MAX6326
XR_ _-T
MAX6326UR_ _-T
PART
Selector Guide appears at end of data sheet.
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