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Maxim > Products > [Analog Switches and Multiplexers] 
MAX4836, MAX4837
500mA LDO Linear Regulators with Current-Limiting Switch


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 360kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

Description
The MAX4836/MAX4837 family of low-dropout linear regulators (LDOs) feature an accurate current-limiting switch with an integrated FLAG-bar or RESET-bar function. These devices operate from 2.5V to 5.5V and deliver up to 500mA of load current at a preset output voltage. Preset output voltage levels are 1.8V/2.5V/2.8V/3.0V/3.3V.

The MAX4836/MAX4837 offer a programmable softstart control function to eliminate false reset during startup. The MAX4836 provides a FLAG-bar function to notify the system when the load current exceeds the limit. The MAX4837 provides a RESET-bar function to notify the system when the output drops below the threshold. Additionally, reverse-current protection prevents current flowing from the output to the input. Other features include a low 90µA quiescent current, a 0.1µA shutdown current.

The MAX4836/MAX4837 are available in space-saving 6-pin SOT23 and TDFN packages. Each device is specified over the -40°C to +85°C extended temperature range. Contact factory for other programmed output voltage versions from 1.5V to 3.3V in 100mV increments.

For pin-compatible 100mA versions of this device, refer to the MAX4832/MAX4833. For pin-compatible 250mA versions of this device, refer to the MAX4834/MAX4835.

Key Features   Applications/Uses
  		• Guaranteed Minimum 500mA Load Current
  		• Accurate Current Limit
  		• Preset Output Voltages: 1.8V/2.5V/2.8V/3.0V/3.3V
  		• 2.5V to 5.5V Supply Voltage Range
  		• Adjustable Soft-Start
  		• Low Dropout Voltage
  		• Thermal Shutdown
  		• Reverse-Current Protection
  		• Shutdown Output Discharge (MAX4837)
  		• Low 90µA Supply Current
  		• Ultra-Low 0.1µA Shutdown Current
  		• FLAG-bar and Latch Off (MAX4836) or RESET-bar (MAX4837)
  		• Tiny SOT23 and TDFN (3mm x 3mm) Packages

    		  
  		• Cell Phones
  		• Global Positioning Systems (GPS)
  		• Notebook Computers
  		• PDAs and Palmtop Devices
  		• SDIO Ports and Devices
  		• USB Ports and Devices

    Diagram
    MAX4836, MAX4837: Typical Application Circuit
    Typical Application Circuit

    Design Guides
  		• Signal Routing & Protection (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: 1-27 of 27

    MAX4836 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX4836ETT33C+  
    		Active TDFN-EP;6 pin;10 mm²
    Outline Drawing: 21-0137 (PDF)
    Land Pattern: 90-0058 (PDF)
    Use pkgcode/variation: T633+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4836ETT33C+T    
    		Active TDFN-EP;6 pin;10 mm²
    Outline Drawing: 21-0137 (PDF)
    Land Pattern: 90-0058 (PDF)
    Use pkgcode/variation: T633+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4836ETT18C-T    
    		Active TDFN-EP;6 pin;10 mm²
    Outline Drawing: 21-0137 (PDF)
    Land Pattern: 90-0058 (PDF)
    Use pkgcode/variation: T633-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4836ETT25C-T    
    		Active TDFN-EP;6 pin;10 mm²
    Outline Drawing: 21-0137 (PDF)
    Land Pattern: 90-0058 (PDF)
    Use pkgcode/variation: T633-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4836ETT28C-T    
    		Active TDFN-EP;6 pin;10 mm²
    Outline Drawing: 21-0137 (PDF)
    Land Pattern: 90-0058 (PDF)
    Use pkgcode/variation: T633-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4836ETT30C-T    
    		Active TDFN-EP;6 pin;10 mm²
    Outline Drawing: 21-0137 (PDF)
    Land Pattern: 90-0058 (PDF)
    Use pkgcode/variation: T633-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4836ETT33C-T    
    		Active TDFN-EP;6 pin;10 mm²
    Outline Drawing: 21-0137 (PDF)
    Land Pattern: 90-0058 (PDF)
    Use pkgcode/variation: T633-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4837 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX4837ETT18D1-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX4837ETT18D2-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX4837ETT18D3-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX4837ETT18D4-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX4837ETT25D1-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX4837ETT25D2-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX4837ETT25D3-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX4837ETT25D4-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX4837ETT28D1-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX4837ETT28D2-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX4837ETT28D3-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX4837ETT28D4-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX4837ETT30D1-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX4837ETT30D2-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX4837ETT30D3-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX4837ETT30D4-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX4837ETT33D1-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX4837ETT33D2-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX4837ETT33D3-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX4837ETT33D4-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet

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     Description 
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    Document Ref.: 19-3374; Rev 0; 2004-08-04
    This page last modified: 2009-10-07


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