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MAX8607
1MHz PWM Boost Converter for 1.5A White LED Camera Flash

Highest Current, White LED, Step-Up DC-DC for the Brightest Camera Flash Delivers 1.5A Regulated Current with Up to 84% Efficiency


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 588kB)
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Description
The MAX8607 white LED boost converter is optimized for camera flash/strobe applications using high-current white LEDs. The MAX8607 integrates a 1MHz PWM boost converter, 1.5A low-dropout (LDO) current regulator, and logic control circuitry for a space-saving LED flash design. Two logic inputs control four modes of operation: shutdown mode reduces the quiescent current to 0.1µA (typ), movie mode supplies up to 360mA of LED current for continuous lighting, flash mode supplies up to 1.5A of LED current for short-duration lighting during an exposure, and disco mode supplies +5V (at up to 1A) to external circuits while driving the LED with a fixed 80mA current.

The internal 1MHz boost converter features an adaptive control scheme with an internal switching MOSFET and synchronous rectifier to improve efficiency and minimize external component count. The MAX8607 is available in a 14-pin, 3mm x 3mm TDFN package (0.8mm max height).

An evaluation kit is available:  MAX8607EVKIT  

Key Features   Applications/Uses
  • Supports Lumileds and Other High-Power White LEDs
  • Independently Set Flash/Movie Currents
    • Flash-Mode Current Up to 1.5A
    • Movie-Mode Current Up to 360mA
  • Disco Mode with Fixed 5V (Up to 1A) and 80mA LED Current
  • 84% Efficiency (PLED / PBATT) at 1.1A
  • TA Derating Function for LED Thermal Protection
  • Output Overvoltage Protection (OVP)
  • Soft-Start Eliminates Inrush Current
  • 1MHz PWM Operation at All Loads
  • Small External Components
  • 2.7V to 5.5V Input Voltage Range
  • 0.1µA Shutdown Mode
  • 14-Pin, 3mm x 3mm TDFN Package

 
  • Camera Flashes/Strobes
  • Cell Phones/Smartphones
  • PDAs and Digital Cameras

    Key Specifications:  White LED Drivers
    Part Number Topology LEDs Config. Dimming Control POUT
    (W)
    ILED
    (mA)
    VIN
    (V)
    VIN
    (V)
    ICC
    (mA)
    VOUT
    (V)
    Oper. Freq.
    (kHz)
    Package/Pins Price
    max num. of max min max max max See Notes
    MAX8607 
    Inductor Based
    Linear Current Regulator
    1 Parallel Digital 6 1500 2.7 5.5 4 5.5 1000
    TDFN-EP/14
    $1.90 @1k
    See All White LED Drivers (46)

    Diagram
    MAX8607: Typical Operating Circuit
    Typical Operating Circuit

    Evaluation Kits
  • MAX8607EVKIT

    Design Guides
  • Power Management for Battery-Powered Equipment (PDF)

    Reliability Reports
  • Show FIT data for:
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    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: 1-3 of 3

    MAX8607 Free
    Sample
    Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX8607ETD+  
    Active TDFN-EP;14 pin;9.6 mm²
    Outline Drawing: 21-0137 (PDF)
    Land Pattern: 90-0063 (PDF)
    Use pkgcode/variation: T1433+2*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX8607ETD+T    
    Active TDFN-EP;14 pin;9.6 mm²
    Outline Drawing: 21-0137 (PDF)
    Land Pattern: 90-0063 (PDF)
    Use pkgcode/variation: T1433+2*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX8607ETD-T    
    Active TDFN-EP;14 pin;9.6 mm²
    Outline Drawing: 21-0137 (PDF)
    Land Pattern: 90-0063 (PDF)
    Use pkgcode/variation: T1433-2*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis

    More Information
  • Topmark Coding: MAX8607
  • Product Ad: Download

    Related Products
    MAX1583 White LED Camera-Flash Boost Converter
    MAX1576 480mA White LED 1x/1.5x/2x Charge Pump for Backlighting and Camera Flash
    MAX1577Y, MAX1577Z 1.2A White LED Regulating Charge Pump for Camera Flashes and Movie Lights

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     Description 
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    Document Ref.: 19-3783; Rev 1; 2007-03-29
    This page last modified: 2007-03-29


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