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MAX894L, MAX895L
Dual, Current-Limited, High-Side P-Channel Switches with Thermal Shutdown

Low Resistance P-Channel Switches with Adjustable, Accurate Current Limit Protects Systems and USB


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 364kB)
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Description
The MAX894L/MAX895L smart, dual, low-voltage, P-channel, MOSFET power switches are intended for high-side load-switching applications. These switches operate with inputs from +2.7V to +5.5V, making them ideal for both 3V and 5V systems. Internal current-limiting circuitry protects the input supply against overload. Thermal-overload protection limits power dissipation and junction temperature.

The MAX894L/MAX895L's maximum current limits are 500mA and 250mA, respectively. The current limit through the switches is programmed with resistors from SET A/SET B to ground. When the switches are on, the quiescent supply current is a low 16µA. When the switches are off, the supply current decreases to 0.1µA.

The MAX894L/MAX895L are available in an 8-pin SO package.

Key Features   Applications/Uses
  • +2.7V to +5.5V Input Range
  • Programmable Current Limits
  • Low Supply Current:
    • 16µA IQ at VIN = 3.3V
    • 0.1µA with Switch Off
  • Thermal Shutdown

 
  • Access Bus Slots
  • PCMCIA Slots
  • Portable Equipment

    Key Specifications:  USB Power Switches
    Part Number Switches ILOAD
    (A)
    RON
    (Ω)
    Fault Indicator VIN
    (V)
    Package/Pins Smallest Available Pckg.
    (mm2)
    Oper. Temp.
    (°C)
    Price
    max typ max w/pins See Notes
    MAX894L  2 0.5 0.12 No 2.7 to 5.5
    SOIC(N)/8
    31 -40 to +85 $1.99 @1k
    MAX895L  0.25 0.25
    SOIC(N)/8
    $1.99 @1k
    See All USB Power Switches (28)

    Diagram
    MAX894L, MAX895L: Typical Operating Circuit
    Typical Operating Circuit

    Design Guides
  • Amplifiers and Sensors (PDF)
  • Video (PDF)
  • Wireless (PDF)

    Reliability Reports
  • Reliability Report: MAX894L.pdf
  • Show FIT data for:
  • 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: 1-10 of 10

    MAX894L Free
    Sample
    Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX894LC/D    
    Active DICE SALES;NA pin;0 mm²

    Land Pattern: Not Applicable
    Use pkgcode/variation: DICE*
    See data sheet
    MAX894LESA    
    Active SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8-5*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX894LESA-T    
    Active

    Land Pattern: Not Available

    -40°C to +85°C See data sheet
    MAX894LESA+  
    Active SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+5*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX894LESA+T    
    Active

    Land Pattern: Not Available

    -40°C to +85°C See data sheet
    MAX895L Free
    Sample
    Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX895LC/D    
    Active DICE SALES;NA pin;0 mm²

    Land Pattern: Not Applicable
    Use pkgcode/variation: DICE*
    See data sheet
    MAX895LESA    
    Active SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8-5*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX895LESA-T    
    Active

    Land Pattern: Not Available

    -40°C to +85°C See data sheet
    MAX895LESA+  
    Active SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+5*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX895LESA+T    
    Active SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+5*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    Notes and Comments
    • Dual: 150mΩ/0.5A (MAX894L)
    • Dual: 300mΩ/0.25A (MAX895L)

    Related Products
    MAX869L 2A, Current-Limited, High-Side P-Channel Switch with Thermal Shutdown
    MAX890, MAX890L 1.2A, Current-Limited, High-Side P-Channel Switch with Thermal Shutdown
    MAX891L, MAX892L Current-Limited, High-Side P-Channel Switches with Thermal Shutdown

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    Document Ref.: 19-1153; Rev 1; 2007-03-13
    This page last modified: 2007-05-31


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