MAX6338IUB Maxim Integrated Products, MAX6338IUB Datasheet

IC VOLT MONITOR QUAD 10-UMAX

MAX6338IUB

Manufacturer Part Number
MAX6338IUB
Description
IC VOLT MONITOR QUAD 10-UMAX
Manufacturer
Maxim Integrated Products
Type
Multi-Voltage Supervisorr
Datasheet
1.MAX6338OUB.pdf (8 pages)

Specifications of MAX6338IUB

Number Of Voltages Monitored
4
Output
Open Drain or Open Collector
Reset
Active Low
Voltage - Threshold
1.58V, 2.19V, 2.93V, 4.38V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
10-MSOP, Micro10™, 10-uMAX, 10-uSOP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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Part Number:
MAX6338IUB
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MAXIM
Quantity:
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Part Number:
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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°C to +85°C) operating temper-
ature range.
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
outputs low when V
ing voltage. The four digital outputs all have weak inter-
nal pull-ups to V
Each input threshold voltage has an independent output.
The MAX6338 is available in a 10-pin µMAX
µMAX is a registered trademark of Maxim Integrated Products, Inc.
19-1695; Rev 2; 12/05
________________________Applications
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.
TOP VIEW
Telecommunications
High-End Printers
Desktop and Notebook Computers
Data Storage Equipment
Networking Equipment
Industrial Equipment
Set-Top Boxes
GND
IN1
IN2
IN3
IN4
CC
________________________________________________________________ Maxim Integrated Products
CC
Quad Voltage Monitor in µMAX Package
1
2
3
4
5
, allowing wire-ORed connection.
drops below the minimum operat-
General Description
MAX6338
MAX
Pin Configuration
10
9
8
7
6
V
OUT1
OUT2
OUT3
OUT4
CC
®
package.
♦ Monitors Four Voltages (Factory Programmed or
♦ Low 25µA Supply Current
♦ Four Independent, Open-Drain, Active-Low
♦ +2.5V to +5.5V Supply Voltage Range
♦ Guaranteed from -40°C to +85°C
♦ No External Components Required
♦ Small 10-Pin µMAX Package
*Insert the desired letter from the Selector Guide into the blank
to complete the part number.
Devices are available in both leaded and lead-free packaging.
Specify lead free by adding the + symbol at the end of the part
number when ordering.
*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
MAX6338MUB
MAX6338CUB
MAX6338DUB
MAX6338GUB
MAX6338HUB
MAX6338NUB
MAX6338OUB
MAX6338AUB
MAX6338BUB
MAX6338EUB
MAX6338FUB
MAX6338KUB
MAX6338LUB
MAX6338PUB
MAX6338JUB
MAX6338IUB
User Adjustable)
Outputs
MAX6338_UB*
+5.0V, +3.3V, +3.0V, +2.5V, +1.8V, -5.0V
(nominal) or User-Adjustable Settings
PART
PART
Adj*
Adj*
IN1
(V)
5
5
5
5
5
5
5
5
5
5
5
5
5
5
-40 C to +85 C
TEMP RANGE
Ordering Information
NOMINAL INPUT VOLTAGE
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
2.5†
1.8†
2.5†
1.8†
2.5†
2.5†
Adj*
Adj*
Adj*
Adj*
IN3
(V)
2.5
1.8
2.5
1.8
2.5
2.5
Selector Guide
Adj*
Adj*
Adj*
Adj*
Adj*
Adj*
Adj*
Adj*
1.8†
Adj*
Adj*
IN4
(V)
1.8
-5
-5
-5
-5
10 µMAX
PIN-PACKAGE
Features
TOLERANCE
SUPPLY
(%)
10
10
10
10
10
10
10
10
5
5
5
5
5
5
5
5
1

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MAX6338IUB Summary of contents

Page 1

... Devices are available in both leaded and lead-free packaging. Specify lead free by adding the + symbol at the end of the part number when ordering. ® package. PART MAX6338AUB MAX6338BUB MAX6338CUB MAX6338DUB MAX6338EUB MAX6338FUB MAX6338GUB MAX6338HUB MAX6338IUB MAX6338JUB MAX6338KUB MAX6338LUB 9 OUT1 MAX6338MUB 8 OUT2 MAX6338NUB 7 OUT3 ...

Page 2

Quad Voltage Monitor in µMAX Package ABSOLUTE MAXIMUM RATINGS Terminal Voltage (with respect to GND) V ......................................................................-0.3V to +6V CC Output Voltages (OUT_) ...........................................-0.3V to +6V Input Voltages (IN_) (except -5V).............................-0.3V to +6V Input Voltage (-5V input) ..........................................-6V to +0.3V ...

Page 3

Quad Voltage Monitor in µMAX Package (V = +5V +25 C, unless otherwise noted SUPPLY CURRENT vs. SUPPLY VOLTAGE + + ...

Page 4

Quad Voltage Monitor in µMAX Package PIN NAME 1 IN1 Input Voltage 1. See the Selector Guide for monitored voltages. 2 IN2 Input Voltage 2. See the Selector Guide for monitored voltages. 3 IN3 Input Voltage 3. See the Selector ...

Page 5

Quad Voltage Monitor in µMAX Package MAX6338M/N/O/P IN1 IN2 IN3* (AUX)* IN4 (-5V) *SEE AUXILIARY INPUT SECTION. Figure 1. Functional Diagram _______________________________________________________________________________________ V REF REFERENCE V CC UNDERVOLTAGE LOCKOUT V CC OUT1 V CC OUT2 V CC OUT3 V CC ...

Page 6

Quad Voltage Monitor in µMAX Package +5V 0 IN1 V1 IN2 V2 MAX6338 V3 IN3 V4 IN4 OUT1 OUT2 OUT3 OUT4 GND *OPTIONAL Figure 2. Quad Undervoltage Detector with LED Indicators + ...

Page 7

Quad Voltage Monitor in µMAX Package V INTH 1.23V REF Figure 6. Setting the Auxiliary Monitor The adjustable voltage monitor is comparable to an internal reference of 1.23V as shown in Figure 6. ...

Page 8

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 8 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2005 Maxim Integrated Products 4X S ...

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