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MAX836, MAX837
4-Pin Micropower Voltage Monitors

Low-Power SOT Voltage Monitors


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Data Sheet
FULL DATA SHEET (PDF, 108kB)
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Description
The MAX836/MAX837 micropower voltage monitors contain a 1.204V precision bandgap reference and a comparator in a SOT143 package. The MAX836 has an open-drain, N-channel output driver, while the MAX837 has a push-pull output driver. Two external resistors set the trip threshold voltage.

Key Features   Applications/Uses
  • ±1.25% Precision Voltage Threshold
  • SOT143 Package
  • Low Cost
  • < 5µA Typical Supply Current
  • Open-Drain Output (MAX836)
    Push-Pull Output (MAX837)

 
  • Battery-Powered Systems
  • 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**
    MAX836  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)
    1.5 15 $0.90 @ 1k
    MAX837  Push-Pull $0.90 @ 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
    MAX836, MAX837: Typical Operating Circuit
    Typical Operating Circuit

    Application Notes
  • Application Note 1074: DAC and Op Amp Generate Variable Negative Control Voltage - MAX837
  • Application Note 1909: Tiny Light Sensor With Logic Output Draws Less Than 10µA - MAX837
  • Application Note 3046: All-Ceramic Capacitor Step-Down/Inverter Supplies ±5V at 3A - MAX837

    Evaluation Kits
    none

    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

    MAX836 Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX836EUS+  
    SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX836EUS  
    SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX836EUS-T  
    SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX836EUS+T  
    SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX837 Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX837EUS+  
    SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX837EUS  
    SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX837EUS-T  
    SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX837EUS+T  
    SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    Notes and Comments
    • Noninverting open-drain output (MAX836)
    • Noninverting push-pull output (MAX837)

    Related Products
    MAX834, MAX835 Micropower, Latching Voltage Monitors in SOT23-5
    MAX6806, MAX6807, MAX6808 Voltage Detectors

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    Document Ref.: 19-1137; Rev 3; 2008-06-09
    This page last modified: 2008-06-09


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