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Maxim > Products > [Power and Battery Management] 
MAX662A
12V, 30mA Flash Memory Programming Supply

12V Inductorless, Low-Profile Flash Memory Supply Fits in 0.1 Sq. Inch


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 76kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

Description
The MAX662A is a regulated +12V, 30mA-output, charge-pump DC-DC converter. It provides the necessary +12V ±5% output to program byte-wide flash memories, and requires no inductors to deliver a guaranteed 30mA output from inputs as low as 4.75V. It fits into less than 0.1in² of board space. The MAX662A is a pin-compatible upgrade to the MAX662, and is recommended for new designs. The MAX662A offers lower quiescent and shut-down currents, and guarantees the output current over all temperature ranges.

The MAX662A is the first charge-pump boost converter to provide a regulated +12V output. It requires only a few inexpensive capacitors, and the entire circuit is completely surface-mountable.

A logic-controlled shutdown pin that interfaces directly with microprocessors reduces the supply current to only 0.5µA. The MAX662A comes in 8-pin narrow SO and DIP packages.

For higher-current flash memory programming solutions, refer to the data sheets for the MAX734 (120mA output current, guaranteed) and MAX732 (200mA output current, guaranteed) PWM, switch-mode DC-DC converters.

Or, refer to the MAX761 data sheet for a 150mA, PFM switch-mode DC-DC converter that operates from inputs as low as 2V.

An evaluation kit is available:  MAX662AEVKIT  

Key Features   Applications/Uses
  • Regulated +12V ±5% Output Voltage
  • 4.5V to 5.5V Supply Voltage Range
  • Fits in 0.1in²
  • Guaranteed 30mA Output
  • No Inductor—Uses Only 4 Capacitors
  • 185µA Quiescent Current
  • Logic-Controlled 0.5µA Shutdown
  • 8-Pin Narrow SO and DIP Packages

 
  		• +12V Flash Memory Programming Supplies
  		• Compact +12V Op-Amp Supplies
  		• Dual-Output +12V and +20V Supplies
  		• Switching MOSFETs in Low-Voltage Systems

    Key Specifications:  Charge Pumps
    Part Number Topology VIN
    (V)    		 VIN
    (V)    		 ICC
    (mA)    		 Unadj. VOUT
    (V)    		 IOUT
    (A)    		 Oper. Freq.
    (kHz)    		 Features Package/Pins Smallest Available Pckg.
    (mm2)    		 Oper. Temp.
    (°C)    		 Price
    min max max typ max w/pins See Notes
    MAX662A  Regulated 4.5 5.5 0.5 12 0.03 500 Shutdown
    CDIP(N)/8
    PDIP(N)/8
    SOIC(N)/8
    		 31
    -40 to +85
    0 to +70
    		 $2.09 @1k
    See All Charge Pumps (48)

    Diagram
    MAX662A: Typical Operating Circuit
    Typical Operating Circuit

    Evaluation Kits
  		• MAX662AEVKIT

    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: 1-14 of 14

    MAX662A Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX662AMJA    
    		Active CDIP(N);8 pin;83 mm²
    Outline Drawing: 21-0045 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: J8-2*
    		-55°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX662AC/D    
    		Active DICE SALES;NA pin;0 mm²

    Land Pattern: Not Applicable
    Use pkgcode/variation: DICE*
    		See data sheet
    MAX662ACPA    
    		Active PDIP(N);8 pin;80 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8-1*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX662ACPA+  
    		Active PDIP(N);8 pin;80 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8+1*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX662AEPA    
    		Active PDIP(N);8 pin;80 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX662AEPA+  
    		Active PDIP(N);8 pin;80 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX662ACSA    
    		Active SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8-5*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX662ACSA-T    
    		Active SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8-5*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX662ACSA+  
    		Active SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+5*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX662ACSA+T    
    		Active SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+5*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX662AESA    
    		Active SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8-5*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX662AESA-T    
    		Active SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8-5*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX662AESA+  
    		Active SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+5*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX662AESA+T    
    		Active SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+5*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    Related Products
    MAX734 12V, 120mA Flash Memory Programming Supply
    MAX761, MAX762 12V/15V or Adjustable, High-Efficiency, Low-IQ, Step-Up DC-DC Converters
    MAX732, MAX733 +12V/+15V Step-Up Current-Mode PWM Regulators

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    Document Ref.: 19-0253; Rev 1; 1994-08-01
    This page last modified: 2009-08-17


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