19-1695; Rev 1; 7/01
Quad Voltage Monitor in 碌MAX Package
General Description
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.
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擄C to +85擄C) operating temper-
ature range.
The MAX6338 consumes 25碌A(chǔ) (typ) supply current and
operates with supply voltages from +2.5V to +5.5V. An
internal undervoltage lockout circuit forces all four digital
outputs low when V
CC
drops below the minimum operat-
ing voltage. The four digital outputs all have weak inter-
nal pull-ups to V
CC
, allowing wire-ORed connection.
Each input threshold voltage has an independent output.
The MAX6338 is available in a 10-pin 碌MAX package.
Features
o
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
o
Low 25碌A(chǔ) Supply Current
o
Four Independent, Open-Drain, Active-Low
Outputs
o
+2.5V to +5.5V Supply Voltage Range
o
Guaranteed from -40擄C to +85擄C
o
No External Components Required
o
Small 10-Pin 碌MAX Package
MAX6338
Ordering Information
PART
MAX6338_UB*
TEMP. RANGE
-40擄C to +85擄C
PIN-PACKAGE
10
碌MAX
*Insert the desired letter from the Selector Guide into the blank
to complete the part number.
Selector Guide
NOMINAL INPUT VOLTAGE
PART
IN1
(V)
5
5
5
5
5
5
5
5
5
5
Adj*
Adj*
5
5
5
5
IN2
(V)
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
IN3
(V)
2.5
2.5鈥?/div>
1.8
1.8鈥?/div>
2.5
2.5鈥?/div>
1.8
1.8鈥?/div>
2.5
2.5鈥?/div>
2.5
2.5鈥?/div>
Adj*
Adj*
Adj*
Adj*
IN4
(V)
Adj*
Adj*
Adj*
Adj*
Adj*
Adj*
Adj*
Adj*
1.8
1.8鈥?/div>
Adj*
Adj*
-5
-5
-5
-5
SUPPLY
TOLERANCE
(%)
10
5
10
5
10
5
10
5
10
5
10
5
10
5
10
5
________________________Applications
Telecommunications
High-End Printers
Desktop and Notebook Computers
Data Storage Equipment
Networking Equipment
Industrial Equipment
Set-Top Boxes
MAX6338AUB
MAX6338BUB
MAX6338CUB
MAX6338DUB
MAX6338EUB
MAX6338FUB
MAX6338GUB
Pin Configuration
TOP VIEW
IN1
1
IN2
IN3
IN4
GND
2
3
4
5
10
V
CC
9
OUT1
OUT2
OUT3
OUT4
MAX6338HUB
MAX6338IUB
MAX6338JUB
MAX6338KUB
MAX6338LUB
MAX6338MUB
MAX6338NUB
MAX6338OUB
MAX6338PUB
MAX6338
8
7
6
碌MAX
*Adjustable
voltage based on +1.23V internal threshold. External
threshold voltage can be set using an external resistor-divider.
鈥?/div>
Nominal input voltages for 1.8V and 2.5V are specified for 10%
tolerances
1
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim鈥檚 website at www.maxim-ic.com.
MAX6338LUB+ 產(chǎn)品屬性
Lead (SnPb) Finish for COTSObsolescence Mitigation Program
50
集成電路 (IC)
PMIC - 監(jiān)控器
-
多壓監(jiān)控器
4
開路漏極或開路集電極
低有效
最小
2.19V，3.08V，可調(diào)，可調(diào)
-40°C ~ 85°C
表面貼裝
10-TFSOP，10-MSOP（0.118"，3.00mm 寬）
10-µMAX
管件
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