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MAX6330, MAX6331
Precision Shunt Regulators with Reset in SOT23-3

Industry's Only Shunt Regulator + Reset in SOT Package


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 228kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail


Description
The MAX6330/MAX6331 combine a precision shunt regulator with a power-on reset function in a single SOT23-3 package. They offer a low-cost method of operating small microprocessor (µP)-based systems from high-voltage sources, while simultaneously protecting µPs from power-up, power-down, and brownout conditions.

Both active-low (MAX6330) and active-high (MAX6331) push/pull output versions are available. The output voltage has ±1.5% tolerance. The MAX6330/MAX6331 operate over a wide shunt current range from 100µA to 50mA, and offer very good transient immunity.

A 3-pin SOT23 package allows for a significant reduction in board space and improves reliability compared to multiple-IC/discrete solutions. These devices have a minimum order increment of 2,500 pieces.

Key Features   Applications/Uses
  • 100µA to 50mA Shunt Current Range
  • Low Cost
  • 3-Pin SOT23 Package
  • ±1.5% Tolerance on Output Voltage
  • Three Shunt Voltages Available: 5V, 3.3V, 3.0V
  • Precision Power-On Reset Threshold:
    • 1.5% Tolerance Available with Either
    • RESET (MAX6331) or active-low RESET (MAX6330) Outputs
  • 140ms Reset Timeout Period-No External Components Required

 
  • Automotive Electronics
  • Controllers
  • Critical µP and µC Power Monitoring
  • Household Appliances
  • Intelligent Instruments
  • Portable/Size-Sensitive Equipment

    Key Specifications:  Linear Regulators
    Part Number Regulators VIN
    (V)
    VIN
    (V)
    Preset VOUT
    (V)
    VDROPOUT @Rated ILOAD
    (V)
    Rated ILOAD
    (mA)
    ICC
    (µA)
    Low Batt./ Pwr. Fail Out POK/Reset Thresh.
    (V)
    Watchdog Reverse Batt. Protect. Package/Pins Smallest Available Pckg.
    (mm2)
    Oper. Temp.
    (°C)
    Price
    min max typ max nom max w/pins See Notes
    MAX6330  1 3 200
    3
    3.3
    5
    0 50 100 No Vout-7.5% No No
    SOT/3
    8 -40 to +85 $1.19 @1k
    MAX6331 
    SOT/3
    $1.19 @1k
    See All Linear Regulators (153)

    Diagram
    MAX6330, MAX6331: Typical Operating Circuit
    Typical Operating Circuit

    Application Notes
  • Application Note 1156: Low-Cost AC Supply - MAX6330

    Design Guides
  • Microprocessor Supervisory (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: 1-18 of 18

    MAX6330 Free
    Sample
    Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX6330LUR+  
    Active SOT;3 pin;8 mm²
    Outline Drawing: 21-0051 (PDF)
    Land Pattern: 90-0179 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6330TUR+  
    Active SOT;3 pin;8 mm²
    Outline Drawing: 21-0051 (PDF)
    Land Pattern: 90-0179 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6330SUR+  
    Active SOT;3 pin;8 mm²
    Outline Drawing: 21-0051 (PDF)
    Land Pattern: 90-0179 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6330LUR-T    
    Active SOT;3 pin;8 mm²
    Outline Drawing: 21-0051 (PDF)
    Land Pattern: 90-0179 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6330SUR-T    
    Active SOT;3 pin;8 mm²
    Outline Drawing: 21-0051 (PDF)
    Land Pattern: 90-0179 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6330TUR-T    
    Active SOT;3 pin;8 mm²
    Outline Drawing: 21-0051 (PDF)
    Land Pattern: 90-0179 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6330LUR+T    
    Active SOT;3 pin;8 mm²
    Outline Drawing: 21-0051 (PDF)
    Land Pattern: 90-0179 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6330TUR+T    
    Active SOT;3 pin;8 mm²
    Outline Drawing: 21-0051 (PDF)
    Land Pattern: 90-0179 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6330SUR+T    
    Active SOT;3 pin;8 mm²
    Outline Drawing: 21-0051 (PDF)
    Land Pattern: 90-0179 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6331 Free
    Sample
    Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX6331LUR+  
    Active SOT;3 pin;8 mm²
    Outline Drawing: 21-0051 (PDF)
    Land Pattern: 90-0179 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6331SUR+  
    Active SOT;3 pin;8 mm²
    Outline Drawing: 21-0051 (PDF)
    Land Pattern: 90-0179 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6331TUR+  
    Active SOT;3 pin;8 mm²
    Outline Drawing: 21-0051 (PDF)
    Land Pattern: 90-0179 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6331LUR-T    
    Active SOT;3 pin;8 mm²
    Outline Drawing: 21-0051 (PDF)
    Land Pattern: 90-0179 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6331SUR-T    
    Active SOT;3 pin;8 mm²
    Outline Drawing: 21-0051 (PDF)
    Land Pattern: 90-0179 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6331TUR-T    
    Active SOT;3 pin;8 mm²
    Outline Drawing: 21-0051 (PDF)
    Land Pattern: 90-0179 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6331LUR+T    
    Active SOT;3 pin;8 mm²
    Outline Drawing: 21-0051 (PDF)
    Land Pattern: 90-0179 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6331SUR+T    
    Active SOT;3 pin;8 mm²
    Outline Drawing: 21-0051 (PDF)
    Land Pattern: 90-0179 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6331TUR+T    
    Active SOT;3 pin;8 mm²
    Outline Drawing: 21-0051 (PDF)
    Land Pattern: 90-0179 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    Notes and Comments
  • Wide 100µA to 50mA shunt current range, push-pull RESET (MAX6330)
  • push-pull RESET (MAX6331)

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    Document Ref.: 19-1348; Rev 1; 2006-04-03
    This page last modified: 2007-07-19


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