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Maxim > Products > [Power and Battery Management] 
MAX8530, MAX8531
Dual Low-Dropout Linear Regulator with Reset or Low-Noise Output in UCSP or QFN

Industry's Smallest, Low-Dropout Linear Regulators Designed for Low-Noise, Space-Sensitive Applications


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 256kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

Description
The MAX8530/MAX8531 offer the benefits of low-dropout voltage and ultra-low power regulation in subminiaturized UCSP and QFN packages with an integrated microprocessor reset circuit (MAX8530 only). The devices operate from a 2.5V to 6.5V input and deliver up to 200mA and 150mA outputs with low dropout of 100mV (typ) at 100mA. Designed with an internal P-channel MOSFET pass transistor, the supply current is kept at a low 130µA (with both LDOs on), independent of the load current and dropout voltage. Other features include short-circuit protection and thermal-shutdown protection.

The MAX8530 provides microprocessor open-drain, active-low reset output to monitor OUT1, eliminating external components and adjustments. The MAX8530 asserts a 100ms (min) RESET-bar signal when OUT1 drops below 87% of the nominal output voltage. The MAX8531 includes a reference bypass pin for low output noise (40µVRMS).

Both devices include a logic-controlled shutdown input and are available in 6-bump UCSP and 6-pin thin QFN exposed pad packages.

An evaluation kit is available:  MAX8530EVKIT, MAX8531EVKIT  

Key Features   Applications/Uses
  • Guaranteed 200mA Output Current for OUT1
  • Guaranteed 150mA Output Current for OUT2
  • Low 100mV (typ) Dropout at 100mA Load for both LDOs
  • Open-Drain, Active-Low 100ms (min) Reset Timer (MAX8530)
  • Low 40µVRMS Output Noise (MAX8531)
  • Low 130µA Operating Supply Current
  • <1µA Shutdown Current
  • Thermal-Overload and Short-Circuit Protection
  • Output Current Limit
  • Tiny Packages Available
    • 1.16 x 1.57 x 0.6mm UCSP (3 x 2 Grid)
    • 3mm x 3mm Thin QFN

 
  		• Cell Phones/Cordless Phones
  		• Digital Cameras
  		• Handheld Instruments (PDAs, Palmtops)
  		• Notebook Computers
  		• PCMCIA Cards
  		• PDAs and Palmtop Computers
  		• Wireless Local Area Networks (WLANs)

    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. Oper. Temp.
    (°C)    		 Package/Pins Smallest Available Pckg.
    (mm2)    		 Price
    min max typ max nom max w/pins See Notes
    MAX8530  2 2.5 6.5 1.5 to 3.3 0.22 200 220 No Vout-13% No No -40 to +85
    TDFN-EP/6
    UCSP/6
    		 2 $0.75 @1k
    MAX8531 
    TDFN-EP/6
    UCSP/6
    		 $0.75 @1k
    See All Linear Regulators (152)

    Diagram
    MAX8530, MAX8531: Functional Diagram
    Functional Diagram

    Evaluation Kits
  		• MAX8530EVKIT, MAX8531EVKIT

    Design Guides
  		• Power Management for Battery-Powered Equipment (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: 1-19 of 19

    MAX8530 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX8530ETTG2+  
    		Active TDFN-EP;6 pin;9.6 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
    MAX8530ETTG2+T    
    		Active TDFN-EP;6 pin;9.6 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
    MAX8530ETTK2+T    
    		Active TDFN-EP;6 pin;9.6 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
    MAX8530ETTK2-T    
    		Active TDFN-EP;6 pin;9.6 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
    MAX8530ETTP2+  
    		Active TDFN-EP;6 pin;9.6 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
    MAX8530ETTP2+T    
    		Active TDFN-EP;6 pin;9.6 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
    MAX8530ETTG2-T    
    		Active TDFN-EP;6 pin;9.6 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
    MAX8530ETT8A-T    
    		Active TDFN-EP;6 pin;9.6 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
    MAX8530EBTKG-T    
    		Active UCSP;6 pin;2 mm²
    Outline Drawing: 21-0097 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: B6-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX8530EBTJJ+T    
    		Active UCSP;6 pin;2 mm²
    Outline Drawing: 21-0097 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: B6+6*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX8530EBT8A-T    
    		Active UCSP;6 pin;2 mm²
    Outline Drawing: 21-0097 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: B6-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX8530EBTJ2-T    
    		Active UCSP;6 pin;2 mm²
    Outline Drawing: 21-0097 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: B6-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX8530EBTJO-T    
    		Active UCSP;6 pin;2 mm²
    Outline Drawing: 21-0097 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: B6-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX8531 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX8531ETTA8-T    
    		Active TDFN-EP;6 pin;9.6 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
    MAX8531EBTGG+T    
    		Active UCSP;6 pin;2 mm²
    Outline Drawing: 21-0097 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: B6+6*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX8531EBTJJ+T    
    		Active UCSP;6 pin;2 mm²
    Outline Drawing: 21-0097 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: B6+6*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX8531EBTGGJ+T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX8531EBTA8-T    
    		Active UCSP;6 pin;2 mm²
    Outline Drawing: 21-0097 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: B6-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX8531EBTJJ-T    
    		Active UCSP;6 pin;2 mm²
    Outline Drawing: 21-0097 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: B6-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis

    More Information
  		• Topmark Coding: MAX8530 MAX8531
  		• New Product Press Release 2003-02-27 

    Related Products
    MAX8867, MAX8868 Low-Noise, Low-Dropout, 150mA Linear Regulators in SOT23
    MAX8877, MAX8878 Low-Noise, Low-Dropout, 150mA Linear Regulators with '2982 Pinout
    MAX8882, MAX8883 Dual, Low-Noise, Low-Dropout, 160mA Linear Regulators in SOT23
    MAX8510, MAX8511, MAX8512 Ultra-Low-Noise, High PSRR, Low-Dropout, 120mA Linear Regulators

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     Description 
     Key Features 
     Applications/Uses 
     Key Specifications 
     Diagram 

    		 Data Sheet 
     Application Notes 
     Design Guides 
     Engineering Journals 
     Reliability Reports 
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    Document Ref.: 19-2711; Rev 1; 2005-09-20
    This page last modified: 2009-10-13


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