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MIC2561-1YM
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Product Detailed Parameters
- Description：IC PWR SWITCH N-CHAN 3:2 14SOIC
- Series：-
- Mfr：Microchip Technology
- Package：Tube,Tube
- Switch Type：PCMCIA Switch
- Number of Outputs：2
- Ratio - Input:Output：3:02
- Output Configuration：Low Side
- Output Type：N-Channel
- Interface：Logic
- Voltage - Load：3.3V, 5V, 12V
- Voltage - Supply (Vcc/Vdd)：Not Required
- Current - Output (Max)：200mA
- Rds On (Typ)：550mOhm
- Input Type：Non-Inverting
- Features：Status Flag
- Fault Protection：Current Limiting (Fixed), Over Temperature
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：14-SOIC
- Package / Case：14-SOIC (0.154", 3.90mm Width)
- Grade：-
- Qualification：-
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Overview
The MIC2561-1YM is a power distribution switch matrix designed for PCMCIA and CardBus applications. It manages voltage switching between system power supplies and card sockets, specifically handling VCC and VPP lines. The device supports three VCC states: OFF, 3.3V, and 5.0V, alongside VPP control. Packaged in a 14-SOIC format, it features an on-state resistance of 0.55Ω and operates with a high active logical level.
Feature Summary
- Switches voltages from the system power supply to VCC and VPP terminals
- Manages selection between OFF, 3.3V, and 5.0V for VCC lines
- Controls VPP voltage switching for card socket requirements
Applications
- PCMCIA card socket power management
- CardBus controller power distribution
- System power supply switching for removable storage interfaces
Procurement Notes
Verify the specific suffix against official Microchip documentation to confirm pinout and functional variations. Ensure compatibility with existing PCB layouts requiring 14-SOIC packages. Confirm RoHS compliance status if required by local regulations. Cross-reference datasheet electrical characteristics with system power requirements before integration.
Selection Notes
Select this component when designing systems requiring dedicated hardware control for PCMCIA or CardBus power sequencing. The integrated matrix simplifies design by combining multiple switch functions into a single IC. Consider the 0.55Ω on-state resistance for efficiency calculations. Ensure the logic interface matches the host controller's output levels.
Part Context
This part belongs to the MIC2561 family of power switches manufactured by Microchip Technology (formerly Micrel). These devices are specialized for managing power delivery to expansion slots. The family includes variants like MIC2561-0YM, differing primarily in internal configuration or packaging options rather than core functionality.
Replacement Considerations
Check for MIC2561-0YM as a potential alternative within the same family. Verify pin-to-pin compatibility and electrical specifications before substitution. Consult official Microchip documentation for any functional differences between suffixes.
