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MAX869L
2A, Current-Limited, High-Side P-Channel Switch 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, 91kB)
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Description
The MAX869L P-channel load switch features an accurate user-set current limit and low on-resistance. This switch is designed to protect your power source from shorts and surges by limiting current and preventing the system supply from being pulled low. The input voltage range is 2.7V to 5.5V.

The MAX869L features a 2A, 45mΩ switch controlled by a logic signal. Current-limit accuracy is ±21%, and can be set from 400mA to 2.4A using a single resistor.

The device has a low 12µA quiescent supply current, which reduces to 2µA max in shutdown. It features thermal-shutdown protection and a logic-signal output pin (FAULT-bar) that signals when there is an overcurrent or overtemperature condition.

Key Features   Applications/Uses
  • Very Small Footprint (16-pin QSOP is the same size as an 8-pin SO)
  • Low Resistance: 45mΩ at 3V
  • ±21%-Accurate, User-Set Current Limit
  • 12µA (typ) Quiescent Current
  • 0.01µA (typ) Shutdown Current
  • 0.04µA (typ) Leakage to Output when Switch is Off
  • 2.7V to 5.5V Input Range
  • Thermal Shutdown
  • FAULT-bar Output

 
  • Handheld Instruments (PDAs, Palmtops)
  • Notebook Computers
  • Palmtop Computers
  • Personal Communicators
  • Portable Medical Instrumentation
  • Universal Serial Bus (USB)

    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
    MAX869L  1 2 0.038 Yes 2.7 to 5.5
    QSOP/16
    30.9 -40 to +85 $2.15 @1k
    See All USB Power Switches (28)

    Diagram
    MAX869L: Typical Operating Circuit
    Typical Operating Circuit

    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: 1-5 of 5

    MAX869L Free
    Sample
    Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX869LC/D    
    Active DICE SALES;NA pin;0 mm²

    Land Pattern: Not Applicable
    Use pkgcode/variation: DICE*
    See data sheet
    MAX869LEEE    
    Active QSOP;16 pin;30.9 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0167 (PDF)
    Use pkgcode/variation: E16-5*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX869LEEE-T    
    Active

    Land Pattern: Not Available

    -40°C to +85°C See data sheet
    MAX869LEEE+  
    Active QSOP;16 pin;30.9 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0167 (PDF)
    Use pkgcode/variation: E16+5*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX869LEEE+T    
    Active QSOP;16 pin;30.9 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0167 (PDF)
    Use pkgcode/variation: E16+5*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    Notes and Comments
    • 45mΩ/2A switch

    Related Products
    MAX890, MAX890L 1.2A, Current-Limited, High-Side P-Channel Switch with Thermal Shutdown
    MAX894L, MAX895L Dual, Current-Limited, High-Side P-Channel Switches with Thermal Shutdown
    MAX891L, MAX892L Current-Limited, High-Side P-Channel Switches with Thermal Shutdown

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    Document Ref.: 19-1278; Rev 0; 1997-08-01
    This page last modified: 2007-06-01


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