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MAX6338
Quad Voltage Monitor with Four Outputs in µMax Package
Industry's Only Quad Voltage Monitors in µMAX Package
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Status
Active: In Production.
Description
The MAX6338 quad voltage monitor is capable of monitoring up to four supplies without any external components. 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 comparator, 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 temperature 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 VCC drops below the minimum operating voltage. The four digital outputs all have weak internal pull-ups to VCC, allowing wire-ORed connection. Each input threshold voltage has an independent output.
The MAX6338 is available in a 10-pin µMAX® package.
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Data Sheet
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Key Features
- 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
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Applications/Uses
- Computers: Desktop, Workstation, Server
- Data Storage Equipment
- High-End Printers
- Industrial Equipment
- Network Equipment
- Set-Top Boxes
- Telecommunications
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Key Specifications:
| Supervisors (4 Monitored Voltages) |
| Part Number |
Reset Thresh.
(V) |
Reset Out |
tRESET |
Watchdog Feature |
Supervisor Features |
Reset Thresh. Accur.
(%) |
ICC
(µA) |
Budgetary Price |
| min |
@ +25°C |
max |
See Notes |
| MAX6338 |
| 1.2 to 1.8 | | 1.8 to 2.5 | | 2.5 to 3.3 | | 3.3 to 5.5 |
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<1ms |
No Watchdog |
| Adjustable Reset Input | | Negative Voltage |
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2.5 |
40 |
$2.84 @1k |
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See All Supervisors (4 Monitored Voltages) (26)
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Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
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Diagram
Typical Operating Circuit
More Information
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Information Index
Document Ref.: 19-1965
Rev 2;
2006-06-02
This page last modified: 2009-10-27
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