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MAX1510
Low-Voltage DDR Linear Regulator

Low-Cost, Low-Voltage DDR Linear Regulator Sources and Sinks Up to 3A Peak (typ) Using Internal n-Channel MOSFETs


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Status
Active: In Production.

Description
FULL DATA SHEET (PDF, 444kB)
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The MAX1510 DDR linear regulator sources and sinks up to 3A peak (typ) using internal n-channel MOSFETs. This linear regulator delivers an accurate 0.5V to 1.5V output from a low-voltage power input (VIN = 1.1V to 3.6V). The MAX1510 uses a separate 3.3V bias supply to power the control circuitry and drive the internal n-channel MOSFETs.

The MAX1510 provides current and thermal limits to prevent damage to the linear regulator. Additionally, the MAX1510 generates a power-good (PGOOD) signal to indicate that the output is in regulation. During startup, PGOOD remains low until the output is in regulation for 2ms (typ). The internal soft-start limits the input surge current.

The MAX1510 powers the active-DDR termination bus that requires a tracking input reference. The MAX1510 can also be used in low-power chipsets and graphics processor cores that require dynamically adjustable output voltages. The MAX1510 is available in a 10-pin 3mm x 3mm thin DFN package.

An evaluation kit is available:  MAX1510EVKIT  

Key Features   Applications/Uses
  • Internal Power MOSFETs with Current Limit (3A typ)
  • Fast Load-Transient Response
  • External Reference Input with Reference Output Buffer
  • 1.1V to 3.6V Power Input
  • ±15mV (max) Load-Regulation Error
  • Thermal Fault Protection
  • Shutdown Input
  • Power-Good Window Comparator with 2ms (typ) Delay
  • Small, Low-Profile 10-Pin 3mm x 3mm TDFN Package
  • Ceramic or Polymer Output Capacitors

 
  • Active Termination Buses
  • Chipset/RAM Supplies as Low as 0.5V
  • DDR Memory Termination
  • Graphics Processor Core Supplies
  • Notebook and Desktop Computers

    Key Specifications:  Linear Regulators
    Part Number Regulators VIN
    (V)
    VIN
    (V)
    Adj. VOUT
    (V)
    Adj. VOUT
    (V)
    VDROPOUT @Rated ILOAD
    (V)
    Rated ILOAD
    (mA)
    ICC
    (µA)
    Low Batt./ Pwr. Fail Out POK/Reset Thresh.
    (V)
    Watchdog Reverse Batt. Protect. Package/Pins Smallest Available Pckg.
    (mm2)
    Oper. Temp.
    (°C)
    Price
    min max min max typ max nom max w/pins See Notes
    MAX1510  1 1.1 3.6 0.5 1.5 0.35 2000 1300 No Vout-10% No No
    TDFN-EP/10
    10 -40 to +85 $0.90 @1k
    See All Linear Regulators (153)

    Diagram
    MAX1510: Typical Operating Circuit
    Typical Operating Circuit

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    Document Ref.: 19-3279; Rev 3; 2006-06-06
    This page last modified: 2009-10-07


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