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MAX8902A, MAX8902B
Low-Noise 500mA LDO Regulators in a 2mm x 2mm TDFN Package

Low-Noise, Low-Dropout, High-PSRR, 500mA Linear Regulators in a 2mm x 2mm TDFN Package


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Data Sheet
FULL DATA SHEET (PDF, 248kB)
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Description
The MAX8902A/MAX8902B low-noise linear regulators deliver up to 500mA of output current with only 16µVRMS of output noise in a 100kHz bandwidth. These regulators maintain their output voltage over a wide input range, requiring only 100mV of input-to-output headroom at full load.

These LDOs maintain a low 80µA typical supply current, independent of the load current and dropout voltage. The regulator control circuitry includes a programmable soft-start circuit and short circuit, reverse current, and thermal-overload protection. Other features include an enable input and a power-OK output (MAX8902B only).

The MAX8902A output voltage can be set to 1.5V, 1.8V, 2.0V, 2.5V, 3.0V, 3.1V, 3.3V, 4.6V, or 4.7V using the SELA and SELB inputs. The MAX8902B output voltage can be set between 0.6V and 5.3V with an external resistor voltage-divider.

Key Features   Applications/Uses
  • 1.7V to 5.5V Input Voltage Range
  • 0.6V to 5.3V Output Voltage Range
  • 16µVRMS Output Noise, 10Hz to 100kHz
  • 80µA Operating Supply Current
  • 92dB PSRR at 5kHz
  • Guaranteed 500mA Output Current
  • ±1.5% Output Accuracy Over Load, Line, and Temperature
  • 100mV (max) Dropout at 500mA Load
  • < 1µA Shutdown Supply Current
  • 700mA Short-Circuit Protection
  • Thermal-Overload Protection
  • Output-to-Input Reverse Current Protection
  • 2mm x 2mm x 0.8mm TDFN Package

 
  • MP3 and Portable Media Players
  • Notebook Computers
  • Smartphones

    Key Specifications:   Linear Regulators
    Part Number Regulators per Pkg. Min. VIN (V) Max. VIN (V) Preset VOUT (V) Min. Adjustable VOUT (V) Max. Adjustable VOUT (V) Typ. VDROPOUT@ Rated ILOAD (V) Rated ILOAD (mA) Max. ICC (µA) Low Battery/ Power Fail Output Nominal POK/Reset Threshold (V) Watchdog Reverse Battery Protection Package Operating Temp. Range (°C) Price**
    MAX8902  1 1.7 5.5 1.5
    1.8
    2.0
    2.5
    3.0
    3.1
    3.3
    0.6 5.3 0.05 500 120 No Vout-9% No No THIN QFN (Dual)/8 -40 to +125 $1.25 @ 1k
    See All Linear Regulators (141)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

    Evaluation Kits
  • MAX8902EVKIT

    Design Guides
  • LOW-POWER NOTEBOOK ICs (PDF)
  • AUDIO (PDF)
  • COMMUNICATIONS (PDF)
  • BATTERY MANAGEMENT (PDF)
  • DISPLAYS (PDF)
  • FLAT-PANEL DISPLAY (PDF)
  • POWER MANAGEMENT FOR BATTERY-POWERED EQUIPMENT (PDF)

    Reliability Reports
  • Show FIT data for:
  • Reliability Report: MAX8902.pdf
  • 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: 1-4 of 4

    MAX8902A Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX8902AATA+  
    THIN QFN (Dual);8 pin;
    Dwg: 21-0168 (PDF)
    Use pkgcode/variation: T822+1*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX8902AATA+T  
    THIN QFN (Dual);8 pin;
    Dwg: 21-0168 (PDF)
    Use pkgcode/variation: T822+1*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX8902B Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX8902BATA+  
    THIN QFN (Dual);8 pin;
    Dwg: 21-0168 (PDF)
    Use pkgcode/variation: T822+1*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX8902BATA+T  
    THIN QFN (Dual);8 pin;
    Dwg: 21-0168 (PDF)
    Use pkgcode/variation: T822+1*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    More Information
  • Topmark Coding: MAX8902
  • New Product Press Release 2007-12-04 

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    Document Ref.: 19-0990; Rev 3; 2008-06-04
    This page last modified: 2008-06-04



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