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Maxim > Products > [Supervisors, Voltage Monitors, Sequencers] 
MAX6330, MAX6331
Precision Shunt Regulators with Reset in SOT23-3

Industry's Only Shunt Regulator + Reset in SOT Package


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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 per Pkg. Min. VIN (V) Max. VIN (V) Preset VOUT (V) Typ. VDROPOUT@ Rated ILOAD (V) Rated ILOAD (mA) Max. ICC (µA) Low Battery/ Power Fail Output Nominal POK/Reset Threshold (V) Watchdog Reverse Battery Protection Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C) Price**
    MAX6330  1 3 200 3.0
    3.3
    5.0     		0 50 100 No Vout-7.5% No No SOT/3 8 -40 to +85 $1.19 @ 1k
    MAX6331  $1.19 @ 1k
    See All Linear Regulators (145)
    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
    MAX6330, MAX6331: Typical Operating Circuit
    Typical Operating Circuit

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

    Evaluation Kits
    none

    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: 1-24 of 24

    MAX6330 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX6330LUR+  
    		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    
    		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    
    		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+  
    		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    
    		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+  
    		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  
    		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  
    		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  
    		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  
    		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  
    		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  
    		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
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX6331LUR    
    		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  
    		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  
    		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+  
    		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+  
    		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+  
    		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  
    		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  
    		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  
    		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  
    		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  
    		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  
    		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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     Description 
     Key Features 
     Applications/Uses 
     Key Specifications 
     Diagram 

    		 Data Sheet 
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     Design Guides 
     Engineering Journals 
     Reliability Reports 
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    Document Ref.: 19-1348; Rev 1; 2006-04-03
    This page last modified: 2007-07-19


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