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MAX834, MAX835
Micropower, Latching Voltage Monitors in SOT23-5
Industry's Only SOT Voltage Monitors With Latched Output
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Status
Active: In Production.
Description
The MAX834/MAX835 micropower voltage monitors contain a 1.204V precision bandgap reference, comparator, and latched output in a 5-pin SOT23 package. Using the latched output prevents deep discharge of batteries. The MAX834 has an open-drain, n-channel output driver, while the MAX835 has a push-pull output driver. Two external resistors set the trip-threshold voltage.
The MAX834/MAX835 feature a level-sensitive latch, eliminating the need to add hysteresis to prevent oscillations in battery-load-disconnect applications.
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Data Sheet
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Key Features
- Prevent Deep Discharge of Batteries
- Precision ±1.25% Voltage Threshold
- Latched Output (Once Low, Stays Low Until Cleared)
- SOT23-5 Package
- Low Cost
- +2.5V to +11V Wide Operating Voltage Range
- < 2µA Typical Supply Current
- Open-Drain Output (MAX834)/Push-Pull Output (MAX835)
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Applications/Uses
- Battery-Powered Applications
- Load Switching
- Precision Battery Monitoring
- Threshold Detectors
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Key Specifications:
| Supervisors (1 Monitored Voltage) |
| 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 |
| MAX834 |
| 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 | | High Voltage (>6V) | | Latched Output |
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1 |
13 |
$1.25 @1k |
| MAX835 |
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$1.25 @1k |
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See All Supervisors (1 Monitored Voltage) (274)
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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
Notes and Comments
Latching voltage monitor, open-drain, N-channel output driver (MAX834)
Latching voltage monitor, push-pull output driver (MAX835)
More Information
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Information Index
Document Ref.: 19-1157
Rev 3;
2010-06-17
This page last modified: 2011-01-17
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