MAX8891

High PSRR, Low-Dropout, 150mA Linear Regulators

Low-Dropout Linear Regulators Designed for Ultra-Low Noise in a SC70 Package


Please check latest availability status for a specific part variant.

Description

The MAX8891/MAX8892 low-dropout (LDO) linear regulators are designed to deliver up to 150mA continuous output current. These regulators achieve a low 120mV dropout for 120mA load current.

The MAX8891 only requires an input/output capacitor, hence achieving the smallest PCB area. The MAX8892's output voltage can be adjusted with an external divider.

The MAX8891 is preset to a variety of voltages in the 1.5V to 4.5V range. Designed with a p-channel MOSFET series pass transistor, the MAX8891/MAX8892 maintain very low ground current (40µA).

The regulators are designed and optimized to work with low-value, low-cost ceramic capacitors. The MAX8891/MAX8892 require only 1µF (typ) of output capacitance for stability with any load. When disabled, current consumption drops to below 1µA.

These regulators are available in a tiny 5-pin SC70 package.
MAX8891, MAX8892: Typical Operating Circuits MAX8891, MAX8892: Typical Operating Circuits Enlarge+

Key Features

  • Space-Saving SC70 Package
  • 65dB PSRR at 10kHz
  • 120mV Dropout at 120mA Load
  • Stable with 1µF Ceramic Capacitor for Any Load
  • Guaranteed 150mA Output
  • Only Need Input and Output Capacitors (MAX8891)
  • Output Voltages: 1.5V, 1.8V, 2.5V, 2.6V, 2.7V, 2.8V, 2.85V, 3V, 3.3V, 4.5V (MAX8891) and Adjustable (MAX8892)
  • Low 40µA Ground Current
  • Excellent Load/Line Transient
  • Overcurrent and Thermal Protection

Applications/Uses

  • Base Stations
  • Bluetooth Portable Radios and Accessories
  • Cellular and Cordless Phones
  • Digital Cameras
  • PDA and Palmtop Computers
  • Personal Stereos
  • Portable and Battery-Powered Equipment
  • Wireless LANs
Part NumberRegulatorsVIN
(V)
VIN
(V)
Preset VOUT
(V)
Adj. VOUT
(V)
Adj. VOUT
(V)
VDROPOUT @Rated ILOAD
(V)
Rated ILOAD
(mA)
Rated ILOAD
(mA)
Output Voltage Noise
(µV RMS)
Ref. BypassLow Batt./ Pwr. Fail OutWatchdogReverse Batt. Protect.Oper. Temp.
(°C)
Package/PinsBudgetary
Price
minmaxminmaxtyptypSee Notes
MAX8891 126
1.5
1.8
2.5
2.6
2.8
2.85
2.9
3.1
3.3
4.5
--0.15150150230NoNoNoNo-40 to +85
SC70/5
$0.45 @1k
MAX8892 -1.2254.5
SC70/5
See All Linear Regulators (145)
Pricing 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 and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

Technical Documents

Tutorial 4689 Blood Pressure Monitor Design Considerations

Quality and Environmental Data

Product Reliability Reports: MAX8891.pdf 
Lead-Free Package Tin (Sn) Whisker Reports

CAD Symbols and Footprints

  • MAX8891EXK15+T
  • MAX8891EXK18+
  • MAX8891EXK18+T
  • MAX8891EXK19+T
  • MAX8891EXK25+T
  • MAX8891EXK26+T
  • MAX8891EXK27+T
  • MAX8891EXK29+T
  • MAX8891EXK30+T
  • MAX8891EXK31+T
  • MAX8891EXK33+
  • MAX8891EXK33+T
  • MAX8891EXK33/V+
  • MAX8891EXK33/V+T
  • MAX8891EXK35+T
  • MAX8891EXK45+
  • MAX8891EXK45+T
  • MAX8891EXK89+T
  • Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

    Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

    Quality Management System >
    Environmental Management System >

     
    Status:
    Package:
    Temperature:

    Related Resources


    MAX38908
    4A/2A High-Performance LDO Linear Regulators

    • Delivers Flexible Operating Range
    • Reduces Noise and Improves Accuracy
    • Enables Ease-of-Use and Robust Protection

    MAX38909
    4A/2A High-Performance LDO Linear Regulators

    • Delivers Flexible Operating Range
    • Reduces Noise and Improves Accuracy
    • Enables Ease-of-Use and Robust Protection

    MAX38907
    4A/2A High-Performance LDO Linear Regulators

    • Delivers Flexible Operating Range
    • Reduces Noise and Improves Accuracy
    • Enables Ease-of-Use and Robust Protection


    Belle Isle 2020
    05/29/2020 - 05/31/2020, Detroit, MI
    2020 Detroit Grand Prix - Chevrolet Detroit Grand Prix presented by Lear Fast Facts The Chevrolet Detroit Grand Prix presented by Lear was hosted on Belle Isle, May 29 - 30 2020. The event featured the cars of the NTT IndyCar Series, the IMSA WeatherTech SportsCar Championship and the Trans Am Series presented by Pirelli. The weekend is collectively referred to as the Chevrolet Detroit Grand Prix presented by Lear and it once again featured the Chevrolet Dual in Detroit IndyCar doubleheader.

    RSVP