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MAX6338A-P

更新时间： 2024-11-09 23:49:55
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美信 - MAXIM /
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描述
Quad Voltage Monitor in µ.MAX Package

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MAX6338A-P 数据手册

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19-1695; Rev 1; 7/01  
Quad Voltage Monitor in µMAX Package  
General Description  
Features  
The MAX6338 quad voltage monitor is capable of moni-  
toring up to four supplies without any external compo-  
nents. A variety of factory-trimmed threshold voltages  
and supply tolerances are available to optimize the  
MAX6338 for specific applications. The selection  
includes input options for monitoring +5.0V, +3.3V,  
+3.0V, +2.5V, +1.8V, and -5.0V voltages. An additional  
high-input impedance comparator option can be used  
as an adjustable voltage monitor, general-purpose com-  
parator, or digital level translator.  
ꢀ Monitors Four Voltages (Factory Programmed or  
User Adjustable)  
+5.0V, +3.3V, +3.0V, +2.5V, +1.8V, -5.0V  
(nominal) or User-Adjustable Settings  
ꢀ Low 25µA Supply Current  
ꢀ Four Independent, Open-Drain, Active-Low  
Outputs  
ꢀ +2.5V to +5.5V Supply Voltage Range  
ꢀ Guaranteed from -40°C to +85°C  
ꢀ No External Components Required  
ꢀ Small 10-Pin µMAX Package  
Each of the monitored voltages is available with trip  
thresholds to support power-supply tolerances of either  
5% or 10% below the nominal voltage. An internal  
bandgap reference ensures accurate trip thresholds  
across the extended (-40°C to +85°C) operating temper-  
ature range.  
Ordering Information  
The MAX6338 consumes 25µA (typ) supply current and  
operates with supply voltages from +2.5V to +5.5V. An  
internal undervoltage lockout circuit forces all four digital  
PART  
TEMP. RANGE  
PIN-PACKAGE  
MAX6338_UB*  
-40°C to +85°C  
10 µMAX  
*Insert the desired letter from the Selector Guide into the blank  
to complete the part number.  
outputs low when V  
drops below the minimum operat-  
CC  
ing voltage. The four digital outputs all have weak inter-  
nal pull-ups to V , allowing wire-ORed connection.  
CC  
Selector Guide  
Each input threshold voltage has an independent output.  
NOMINAL INPUT VOLTAGE  
The MAX6338 is available in a 10-pin µMAX package.  
SUPPLY  
TOLERANCE  
(%)  
IN1  
(V)  
IN2  
(V)  
IN3  
(V)  
IN4  
(V)  
PART  
________________________Applications  
Telecommunications  
MAX6338AUB  
MAX6338BUB  
MAX6338CUB  
MAX6338DUB  
MAX6338EUB  
MAX6338FUB  
MAX6338GUB  
MAX6338HUB  
MAX6338IUB  
MAX6338JUB  
MAX6338KUB  
MAX6338LUB  
MAX6338MUB  
MAX6338NUB  
MAX6338OUB  
MAX6338PUB  
5
5
3.3  
3.3  
3.3  
3.3  
3.0  
3.0  
3.0  
3.0  
3.3  
3.3  
3.3  
3.3  
3.0  
3.0  
3.3  
3.3  
2.5  
Adj*  
10  
5
High-End Printers  
2.5† Adj*  
1.8 Adj*  
1.8† Adj*  
2.5 Adj*  
2.5† Adj*  
1.8 Adj*  
1.8† Adj*  
2.5 1.8  
2.5† 1.8†  
2.5 Adj*  
2.5† Adj*  
Desktop and Notebook Computers  
Data Storage Equipment  
Networking Equipment  
Industrial Equipment  
5
10  
5
5
5
10  
5
5
Set-Top Boxes  
5
10  
5
Pin Configuration  
5
5
10  
5
5
TOP VIEW  
Adj*  
Adj*  
5
10  
5
IN1  
IN2  
1
2
3
4
5
10  
9
V
CC  
Adj*  
Adj*  
Adj*  
Adj*  
-5  
-5  
-5  
-5  
10  
5
OUT1  
OUT2  
OUT3  
OUT4  
MAX6338  
5
IN3  
8
5
10  
5
IN4  
7
5
GND  
6
*Adjustable voltage based on +1.23V internal threshold. External  
threshold voltage can be set using an external resistor-divider.  
† Nominal input voltages for 1.8V and 2.5V are specified for 10%  
tolerances  
µMAX  
________________________________________________________________ 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.  
12345678

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MAX6338BUB+ MAXIM

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 		Power Supply Support Circuit, Adjustable, 4 Channel, BICMOS, PDSO10, LEAD FREE, MO-187C-BA
MAX6338BUB+T MAXIM

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 		Power Supply Support Circuit, Adjustable, 4 Channel, BICMOS, PDSO10, MO-187, UMAX-10
MAX6338BUB-T MAXIM

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 		Power Supply Support Circuit, Adjustable, 4 Channel, BICMOS, PDSO10, MO-187C-BA, USOP-10
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 		Quad Voltage Monitor in レMAX Package
MAX6338CUB+ MAXIM

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