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LT1313

Features: ` Digital Selection of 0V, VCC, 12V or Hi-Z` Output Current Capability: 120mA` Internal Current Limiting and Thermal Shutdown` Automatic Switching from 3.3V to 5V` Powered from Unregulated 13V to 20V Supply` Logic Compatible with Standard PCMCIA Controllers`Output Capacitors: 1mF` Quiesc...

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SeekIC No. : 004400520 Detail

LT1313: Features: ` Digital Selection of 0V, VCC, 12V or Hi-Z` Output Current Capability: 120mA` Internal Current Limiting and Thermal Shutdown` Automatic Switching from 3.3V to 5V` Powered from Unregulated...

LT1313 Data Sheet

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Part Number:
LT1313
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/10/27

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Product Details

Description



Features:

` Digital Selection of 0V, VCC, 12V or Hi-Z
` Output Current Capability: 120mA
` Internal Current Limiting and Thermal Shutdown
` Automatic Switching from 3.3V to 5V
` Powered from Unregulated 13V to 20V Supply
` Logic Compatible with Standard PCMCIA Controllers
` Output Capacitors: 1mF
` Quiescent Current in Hi-Z or 0V Mode: 60A
` Independent VPP Valid Status Feedback Signals
` No VPP Overshoot


Application

· Notebook Computers
· Palmtop Computers
· Pen-Based Computers
· Handi-Terminals
· Bar-Code Readers
· Flash Memory Programming


Pinout

Connection Diagram


Specifications

Supply Voltage ............................................................ 22V
Digital Input Voltage ........................... 7V to (GND 0.3V)
Sense Input Voltage ........................... 7V to (GND 0.3V)
VALID Output Voltage ....................... 15V to (GND 0.3V)
Output Short-Circuit Duration ............................. Indefinite
Operating Temperature ................................ 0°C to 70°C
Junction Temperature.................................. 0°C to 125°C
Storage Temperature Range ..................65°C to 150°C
Lead Temperature (Soldering, 10 sec)..................... 300°C


Description

The LT®1313 is a member of Linear Technology Corporation's PCMCIA driver/regulator family. It provides 0V, 3.3V, 5V, 12V and Hi-Z regulated power to the VPP pins of two PCMCIA card slots from a single unregulated 13V to 20V supply. When used in conjunction with a PC Card Interface Controller, the LT1313 forms a complete minimum component-count interface for palmtop, pen-based and notebook computers. The two VPP output voltages are independently selected by four logic compatible digital inputs which interface directly with industry standard PC Card
Interface Controllers.

Automatic 3.3V to 5V switching is provided by two independent comparators which continuously monitor each PC card VCC supply voltage and automatically adjust the VPP output to match the associated VCC pin voltage when the VPP = VCC mode is selected.

Two open-collector VPP VALID outputs are provided to indicate when the VPP outputs are in regulation at 12V.The LT1313 is available in 16-pin SO packaging.




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