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Maxim > Products > [Power and Battery Management]  [Automotive] 
MAX1595
Regulated 3.3V/5.0V Step-Up/Step-Down Charge Pump


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 356kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

Description
The MAX1595 charge-pump regulator generates either 3.3V or 5V from a 1.8V to 5.5V input. The unique control architecture allows the regulator to step up or step down the input voltage to maintain output regulation. The 1MHz switching frequency, combined with a unique control scheme, allows the use of a ceramic capacitor as small as 1µF for 125mA of output current. The complete regulator requires three external capacitors—no inductor is needed. The MAX1595 is specifically designed to serve as a high-power, high- efficiency auxiliary supply in applications that demand a compact design. The MAX1595 is offered in space-saving 8-pin µMAX and high-power 12-pin thin QFN packages.

Key Features   Applications/Uses
  • Ultra-Small: Requires Only Three Ceramic Capacitors
  • No Inductors Required
  • Up to 125mA Output Current
  • Regulated ±3% Output Voltage
  • 1MHz Switching Frequency
  • 1.8V to 5.5V Input Voltage
  • 220µA Quiescent Current
  • 0.1µA Shutdown Current
  • Load Disconnect in Shutdown

 
  		• 3.3V to 5V Local Conversion Applications
  		• 3V to 5V GSM SIMM Cards
  		• Backup Battery Boost Converters
  		• Battery-Powered Applications
  		• Flash Memory Supplies
  		• Miniature Equipment
  		• PCMCIA Cards
  		• White LED Power

    Key Specifications:  Charge Pumps
    Part Number Topology VIN
    (V)    		 VIN
    (V)    		 ICC
    (mA)    		 Unadj. VOUT
    (V)    		 IOUT
    (A)    		 Oper. Freq.
    (kHz)    		 Features Industry Qualified Package/Pins Smallest Available Pckg.
    (mm2)    		 Oper. Temp.
    (°C)    		 Price
    min max max typ max w/pins See Notes
    MAX1595  Regulated 1.8 5.5 0.22
    3.3
    5
    		 0.125 1000 Shutdown
    Automotive - AECQ100
    Automotive - General
    µMAX/8
    QFN/12
    TQFN/12
    		 16
    -40 to +85
    0 to +70
    		 $1.43 @1k
    See All Charge Pumps (48)

    Diagram
    MAX1595: Typical Operating Circuit
    Typical Operating Circuit

    Application Notes
  		• Application Note 737: Choosing the Right Power-Supply IC for your Application - MAX1595
  		• Application Note 1037: Charge-Pump and Step-Up DC-DC Converter Solutions for Powering White LEDs in Series or Parallel Connections - MAX1595

    Reliability Reports
  		• Reliability Report: AEC-MAX1595EUA50_B.pdf MAX1595EUA50.pdf
  		• Show FIT data 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: 1-18 of 18

    MAX1595 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1595EGC33    
    		Active QFN;12 pin;16 mm²
    Outline Drawing: 21-0106 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: G1244-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1595EGC50    
    		Active QFN;12 pin;16 mm²
    Outline Drawing: 21-0106 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: G1244-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1595ETC50  
    		Active TQFN;12 pin;17 mm²
    Outline Drawing: 21-0139 (PDF)
    Land Pattern: 90-0068 (PDF)
    Use pkgcode/variation: T1244-4*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1595ETC50+  
    		Active TQFN;12 pin;17 mm²
    Outline Drawing: 21-0139 (PDF)
    Land Pattern: 90-0068 (PDF)
    Use pkgcode/variation: T1244+4*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1595ETC50+T    
    		Active TQFN;12 pin;17 mm²
    Outline Drawing: 21-0139 (PDF)
    Land Pattern: 90-0068 (PDF)
    Use pkgcode/variation: T1244+4*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1595ETC50-T    
    		Active TQFN;12 pin;17 mm²
    Outline Drawing: 21-0139 (PDF)
    Land Pattern: 90-0068 (PDF)
    Use pkgcode/variation: T1244-4*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1595ETC33    
    		Active TQFN;12 pin;17 mm²
    Outline Drawing: 21-0139 (PDF)
    Land Pattern: 90-0068 (PDF)
    Use pkgcode/variation: T1244-4*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1595ETC33-T    
    		Active TQFN;12 pin;17 mm²
    Outline Drawing: 21-0139 (PDF)
    Land Pattern: 90-0068 (PDF)
    Use pkgcode/variation: T1244-4*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1595ETC33+T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1595ETC33+  
    		Active TQFN;12 pin;17 mm²
    Outline Drawing: 21-0139 (PDF)
    Land Pattern: 90-0068 (PDF)
    Use pkgcode/variation: T1244+4*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1595EUA33+T    
    		Active µMAX;8 pin;16 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1595EUA33+  
    		Active µMAX;8 pin;16 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1595EUA33  
    		Active µMAX;8 pin;16 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1595EUA33-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1595EUA50  
    		Active µMAX;8 pin;16 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1595EUA50-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1595EUA50+  
    		Active µMAX;8 pin;16 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1595EUA50+T    
    		Active µMAX;8 pin;16 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    More Information
  		• Topmark Coding: MAX1595
  		• New Product Press Release 2001-08-16 

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    Document Ref.: 19-2107; Rev 1; 2002-11-04
    This page last modified: 2007-06-28


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