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Maxim > Products > [Power and Battery Management] 
MAX1963A, MAX1976A
Low-Input-Voltage, 300mA LDO Regulators with RESET in SOT and TDFN


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Data Sheet
FULL DATA SHEET (PDF, 376kB)
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Description
The MAX1963A/MAX1976A low-dropout linear regulators operate from a +1.62V to +3.6V supply and deliver a guaranteed 300mA continuous load current with a low 100mV dropout. The high-accuracy (±0.5%) output voltage is preset to an internally trimmed voltage in the +0.75V to +3.0V range. An active-low, open-drain reset output remains asserted for at least 2.2ms (MAX1963A) or 70ms (MAX1976A) after the output voltage reaches regulation. These devices are offered in thin SOT23 and thin DFN packages. An internal pMOS pass transistor allows the low supply current to remain independent of load and dropout voltage, making these devices ideal for portable battery-powered equipment.

Key Features   Applications/Uses
  • Low 1.62V Minimum Input Voltage
  • Guaranteed 300mA Output Current
  • ±2.5% Accuracy Over Load/Line/Temp
  • Low 100mV Dropout at 300mA Load
  • 2.2ms (MAX1963A) or 70ms (MAX1976A) Active-Low RESET Output Flag
  • Supply Current Independent of Load and Dropout Voltage
  • Logic-Controlled Shutdown
  • Thermal-Overload and Short-Circuit Protection
  • Preset Output Voltages (0.75V to 3.0V)
  • Tiny 6-Pin Thin SOT23 Package (< 1.1mm High)
  • TDFN Package (< 0.8mm High)

 
  		• Cellular/Smart/PDA Phones
  		• DSC, CD/MP3 Players
  		• Notebook/Handheld Computers
  		• PCMCIA Cards

    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)
    MAX1963A  1 1.62 3.6 0.75 to 3.0
    0.75
    0.85
    0.9
    1.0
    1.1
    1.2
    1.3
    1.5
    1.6
    1.8
    1.85
    2.5
    2.85
    3.0     		0.1 300 140 No Vout-17.5% No No TDFN-EP/6
    TSOT/6     		8 -40 to +85
    MAX1976A  TDFN-EP/6
    TDFN-EP/8
    TSOT/6     		4
    See All Linear Regulators (145)

    Diagram
    MAX1963A, MAX1976A: Typical Operating Circuit
    Typical Operating Circuit

    Evaluation Kits
    none

    Reliability Reports
  		• Reliability Report: MAX1976A.pdf
  		• 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: 1-54 of 54

    MAX1963A Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1963AEZT090+  
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1963AEZT090+T    
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1963AEZT120+T    
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1963AEZT120+  
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1963AEZT250+T    
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1963AEZT250+  
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1963AEZT110+  
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1963AEZT110+T    
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1963AEZT180+  
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1963AEZT180+T    
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1963AEZT300+  
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1963AEZT300+T    
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1963AETT150+T    
    		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 See data sheet
    Materials Analysis
    MAX1963AETT180+  
    		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
    MAX1963AETT180+T    
    		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
    MAX1963AETT120+T    
    		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
    MAX1963AETT120+  
    		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
    MAX1976A Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1976AEZT125+T    


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1976AETT+T    


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1976AEZT160    


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1976AETA180-T    


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1976AETA180  


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1976AEZT300+T    


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1976AETA090-T    


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1976AETA090+T    


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1976AEZT150+  
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1976AEZT150+T    
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1976AEZT100+T    
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1976AEZT180+  
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1976AEZT285+  
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1976AEZT180+T    
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1976AEZT100+  
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1976AEZT285+T    
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1976AEZT250+T    
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1976AEZT250+  
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1976AEZT120+T    
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1976AEZT120-T    
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1976AEZT160+  
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1976AEZT160+T    
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1976AEZT160-T    
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1976AEZT120    
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1976AEZT120+  
    		TSOT;6 pin;8 mm²
    Outline Drawing: 21-0114 (PDF)
    Land Pattern: 90-0242 (PDF)
    Use pkgcode/variation: Z6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1976AETA180+  
    		TDFN-EP;8 pin;4 mm²
    Outline Drawing: 21-0168 (PDF)
    Land Pattern: 90-0064 (PDF)
    Use pkgcode/variation: T822+1*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX1976AETT120+T    
    		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
    MAX1976AETA180+T    
    		TDFN-EP;8 pin;4 mm²
    Outline Drawing: 21-0168 (PDF)
    Land Pattern: 90-0064 (PDF)
    Use pkgcode/variation: T822+1*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX1976AETA130+  
    		TDFN-EP;8 pin;4 mm²
    Outline Drawing: 21-0168 (PDF)
    Land Pattern: 90-0064 (PDF)
    Use pkgcode/variation: T822+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1976AETT130+  
    		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
    MAX1976AETT120+  
    		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
    MAX1976AETA130+T    
    		TDFN-EP;8 pin;4 mm²
    Outline Drawing: 21-0168 (PDF)
    Land Pattern: 90-0064 (PDF)
    Use pkgcode/variation: T822+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1976AETA150+  
    		TDFN-EP;8 pin;4 mm²
    Outline Drawing: 21-0168 (PDF)
    Land Pattern: 90-0064 (PDF)
    Use pkgcode/variation: T822+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1976AETA150+T    
    		TDFN-EP;8 pin;4 mm²
    Outline Drawing: 21-0168 (PDF)
    Land Pattern: 90-0064 (PDF)
    Use pkgcode/variation: T822+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1976AETT150+T    
    		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
    MAX1976AETT150+  
    		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
    MAX1976AETT130+T    
    		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

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    Document Ref.: 19-3684; Rev 0; 2005-06-17
    This page last modified: 2008-06-16


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