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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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Data Sheet
FULL DATA SHEET (PDF, 204kB)
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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.

Key Features   Applications/Uses
  • 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)

 
  • Battery-Powered Applications
  • Load Switching
  • Precision Battery Monitoring
  • Threshold Detectors

    Key Specifications:   Supervisors (1 Monitored Voltage)
    Part Number Reset Threshold Range (V) Active-Low Reset Output Min. Reset Timeout Range Watchdog Feature Supervisor Features Reset Thresh. Acc. (% @+25°C) Max. ICC (µA) Price**
    MAX834  1.2 to 1.8
    1.8 to 2.5
    2.5 to 3.3
    3.3 to 5.5
    Open Drain <1ms No Watchdog Adjustable Reset Input
    High Voltage (>6V)
    Latched Output
    1 13 $1.20 @ 1k
    MAX835  Push-Pull $1.20 @ 1k
    See All Supervisors (1 Monitored Voltage) (270)
    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.

    Diagram
    MAX834, MAX835: Typical Operating Circuit
    Typical Operating Circuit

    Application Notes
  • Application Note 240: Overcurrent Monitor Operates up to 26V - MAX835

    Evaluation Kits
    none

    Design Guides
  • Wireless (PDF)

    Reliability Reports
  • Show FIT data for:
  • Request Reliability Report for:

    Software/Models
    none

    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.


    Devices: 1-8 of 8

    MAX834 Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX834EUK+  
    SOT;5 pin;9 mm²
    Outline Drawing: 21-0057 (PDF)
    Land Pattern: 90-0174 (PDF)
    Use pkgcode/variation: U5+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX834EUK  
    SOT;5 pin;9 mm²
    Outline Drawing: 21-0057 (PDF)
    Land Pattern: 90-0174 (PDF)
    Use pkgcode/variation: U5-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX834EUK-T  
    SOT;5 pin;9 mm²
    Outline Drawing: 21-0057 (PDF)
    Land Pattern: 90-0174 (PDF)
    Use pkgcode/variation: U5-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX834EUK+T  
    SOT;5 pin;9 mm²
    Outline Drawing: 21-0057 (PDF)
    Land Pattern: 90-0174 (PDF)
    Use pkgcode/variation: U5+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX835 Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX835EUK+  
    SOT;5 pin;9 mm²
    Outline Drawing: 21-0057 (PDF)
    Land Pattern: 90-0174 (PDF)
    Use pkgcode/variation: U5+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX835EUK  
    SOT;5 pin;9 mm²
    Outline Drawing: 21-0057 (PDF)
    Land Pattern: 90-0174 (PDF)
    Use pkgcode/variation: U5-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX835EUK-T  
    SOT;5 pin;9 mm²
    Outline Drawing: 21-0057 (PDF)
    Land Pattern: 90-0174 (PDF)
    Use pkgcode/variation: U5-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX835EUK+T  
    SOT;5 pin;9 mm²
    Outline Drawing: 21-0057 (PDF)
    Land Pattern: 90-0174 (PDF)
    Use pkgcode/variation: U5+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    Notes and Comments
  • Latching voltage monitor, open-drain, N-channel output driver (MAX834)
  • Latching voltage monitor, push-pull output driver (MAX835)

    Related Products
    MAX836, MAX837 4-Pin Micropower Voltage Monitors
    MAX6806, MAX6807, MAX6808 Voltage Detectors

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    Document Ref.: 19-1157; Rev 2; 2007-02-05
    This page last modified: 2007-02-05


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