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MIC2557

Features: • Complete PCMCIA VPP Switch Matrix in a Single IC• No External Components Required• Digital Selection of 0V, VCC, VPP, or High Imped ance Output• No VPP OUT Overshoot or Switching Transients• Break-Before-Make Switching• Low Power Consumption• 1...

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SeekIC No. : 004420792 Detail

MIC2557: Features: • Complete PCMCIA VPP Switch Matrix in a Single IC• No External Components Required• Digital Selection of 0V, VCC, VPP, or High Imped ance Output• No VPP OUT Oversh...

MIC2557 Data Sheet

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Part Number:
MIC2557
Supply Ability:
5000

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

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Upload time: 2024/11/26

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Product Details

Description



Features:

• Complete PCMCIA VPP Switch Matrix in a Single IC
• No External Components Required
• Digital Selection of 0V, VCC, VPP, or High Imped ance Output
• No VPP OUT Overshoot or Switching Transients
• Break-Before-Make Switching
• Low Power Consumption
• 120mA VPP (12V) Output Current
• Optional Active Source Clamp for Zero Volt Condition
• 3.3V or 5V Supply Operation
• 8-Pin SOIC Package




Application

• PCMCIA VPP Pin Voltage Switch
• Power Supply Management
• Power Analog Switch




Pinout

Connection Diagram




Specifications

Power Dissipation, TAMBIENT 25°C SOIC........ 800 mW
Derating Factors (To Ambient) SOIC ...........4 mW/°C
Storage Temperature .............65°C to +150°C
Operating Temperature (Die)................ 125°C
Operating Temperature (Ambient) ........40°C to +85°C
Lead Temperature (5 sec).................. 260°C
Supply Voltage, VPP IN .....................15V
VCC ...............................7.5V
VDD..................................... 7.5V
Logic Input Voltages ..................0.3V toVDD
Output Current (each Output)
VPP OUT = 12V........................ 600mA
VPP OUT = VCC ........................250mA




Description

The MIC2557 switches the four voltages required by PCMCIA (Personal Computer Memory Card International Association) card VPP Pins. The MIC2557 provides selectable 0V, 3.3V, 5.0V, or 12.0V (±5%) from the system power supply to VPP1 or VPP2. Output voltage is selected by two digital inputs. Output current ranges up to 120mA. Four control states, VPP, VCC, high impedance, and active logic low are available. An auxiliary control input determines whether the high impedance (open) state or low logic state is asserted.

In either quiescent mode or full operation, the MIC2557 draws very little current, typically less than 1A.

The MIC2557 is available in an 8-pin SOIC and an 8-pin plastic DIP.






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