MAX8891
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MAX8891

High PSRR, Low-Dropout, 150mA Linear Regulators

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

Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 21
1ku List Price Starting From $0.56
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
Additional Details
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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.

Applications

  • 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 Models 21
1ku List Price Starting From $0.56

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
MAX8891EXK15+
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MAX8891EXK30+
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MAX8891EXK31+
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MAX8891EXK31+T
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MAX8891EXK33+
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MAX8891EXK33+T
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MAX8891EXK33/V+
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MAX8891EXK35+T
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MAX8891EXK45+
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MAX8891EXK89+
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MAX8891EXK89+T
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Product Lifecycle

PCN

Mar 13, 2019

- 1708B

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MAX8891EXK33/V+

PRODUCTION

MAX8891EXK33/V+T

PRODUCTION

Oct 20, 2017

- 1708A

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MAX8891EXK33/V+

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MAX8891EXK33/V+T

PRODUCTION

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PCN

Mar 13, 2019

- 1708B

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ASSEMBLY

MAX8891EXK33/V+

PRODUCTION

MAX8891EXK33/V+T

PRODUCTION

Oct 20, 2017

- 1708A

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ASSEMBLY

MAX8891EXK33/V+

PRODUCTION

MAX8891EXK33/V+T

PRODUCTION

Software & Part Ecosystem

Software & Part Ecosystem

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Features and Benefits

  • High accuracy
  • Low power
  • Accepts 3VP-P single-ended signal or 6VP-P differential signal
  • Optimized layout and size
  • Device drivers
  • Example C source code
  • Test data
View Detailed Reference Design external link

Design & Integration Tools

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Features and Benefits

  • Battery Charger Input Current up to 1A
  • USB Standard-A Output Current up to 1.5A
  • 4400mAh Li+ Battery
  • Thermal and Overcurrent Protection on the USB Standard-A Output
  • I2C Headers for Flexible Logic Levels from 1.8V to 5.0V
  • Orange LED to Indicate if the Battery Is Charging
  • No External Reverse Blocking Diode Required Between Battery and Charger
View Detailed Reference Design external link

Design & Integration Tools

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ZIP

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