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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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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 Number of Switches Max. Load Current (A) RON (typ) (Ω) Fault Indicator Switch Op. Voltage Range (V) Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C) Price**
    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 $1.99 @ 1k
    See All USB Power Switches (28)
    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.

    Diagram
    MAX894L, MAX895L: Typical Operating Circuit
    Typical Operating Circuit

    Evaluation Kits
    none

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

    Reliability Reports
  • Show FIT data for:
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    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
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX894LC/D  


    Land Pattern: Not Available

    See data sheet
    MAX894LESA  
    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  
    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+  
    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  
    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
    MAX895L Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX895LC/D  


    Land Pattern: Not Available

    See data sheet
    MAX895LESA  
    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  
    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+  
    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  
    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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