MAX1600

Dual-Channel CardBus and PCMCIA VCC VPP Power Switching Networks

Handles 1A for 2 Slots without External Components, Tiny SSOP Package


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Description

The MAX1600/MAX1603 DC power-switching ICs contain a network of low-resistance MOSFET switches that deliver selectable VCC and VPP voltages to two CardBus or PC Card host sockets. Key features include ultra-low-resistance switches, small packaging, soft-switching action, and compliance with PCMCIA specifications for 3V/5V switching. 3.3V-only power switching for fast, 32-bit CardBus applications is supported in two ways: stiff, low-resistance 3.3V switches allow high 3.3V load currents (up to 1A); and completely independent internal charge pumps let the 3.3V switch operate normally, even if the +5V and +12V supplies are disconnected or turned off to conserve power. The internal charge pumps are regulating types that draw reduced input current when the VCC switches are static. Also, power consumption is automatically reduced to 10µA max when the control logic inputs are programmed to high-Z or GND states, unlike other solutions that may require a separate shutdown-control input.

Other key features include guaranteed specifications for output current limit level, and guaranteed specifications for output rise/fall times (in compliance with PCMCIA specifications). Reliability is enhanced by thermal-overload protection, accurate current limiting, an overcurrent-fault flag output, and undervoltage lockout. The CMOS/TTL-logic interface is flexible, and can tolerate logic input levels in excess of the positive supply rail.

The MAX1600 and MAX1603 are identical, except for the MAX1603's VY switch on-resistance (typically 140mΩ). The MAX1600/MAX1603 fit two complete CardBus/ PCMCIA switches into a space-saving, narrow (0.2in. or 5mm wide) SSOP package.
MAX1600, MAX1603: Simplified Block Diagram MAX1600, MAX1603: Simplified Block Diagram Enlarge+

Key Features

  • Supports Two PC Card/CardBus Sockets
  • 1A, 0.08Ω Max 3.3V VCC Switch (MAX1600 only)
  • 1A, 0.14Ω Max 5V VCC Switch
  • Soft Switching for Low Inrush Surge Current
  • Overcurrent Protection
  • Overcurrent/Thermal-Fault Flag Output
  • Thermal Shutdown at Tj = +150ºC
  • Independent Internal Charge Pumps
  • Break-Before-Make Switching Action
  • 10µA Max Standby Supply Current
  • 5V and 12V Not Required for Low-RDS(ON) 3.3V Switching
  • Complies with PCMCIA 3V/5V Switching Specifications
  • Super-Small 28-Pin SSOP Package (0.2in. or 5mm wide)
  • Code Compatible with:
    • Cirrus CL-PD67XX Family
    • Databook DB86184
    • Intel 82365SL (industry-standard coding)

Applications/Uses

  • Computers: Desktop, Workstation, Server
  • Data Logging
  • Docking Stations
  • Handy Terminals
  • Notebook Computers
  • PCMCIA Read/Write Drives
Request Reliability Report for: MAX1600 
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C   Material Composition  

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.

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