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MIC2561-1BM
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Product Detailed Parameters
- Description：PCMCIA SOCKET SWITCHING MATRIX
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- 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 MIC2561-1BM is a power distribution switch designed for PCMCIA card socket applications. It manages voltage switching between system supply and VCC/VPP lines. The device supports three VCC states: OFF, 3.3V, and 5.0V. It also controls the VPP voltage level. The component is housed in a 14-SOIC package. It functions as a power switch driver with N-channel configuration. The maximum current rating is specified at 200mA. This IC integrates control logic for managing multiple voltage rails efficiently.
Feature Summary
- Manages switching between OFF, 3.3V, and 5.0V VCC levels
- Controls VPP voltage switching for card sockets
- Integrates power switch driver functionality
Applications
- PCMCIA card socket power management
- VCC and VPP voltage switching matrix systems
- Portable computer power distribution
Procurement Notes
Verify the exact datasheet version from Microchip Technology to confirm electrical characteristics and pinout compatibility. Ensure the 14-SOIC package matches your PCB footprint requirements. Check for specific ordering suffixes if tape-and-reel packaging is required instead of tube. Confirm RoHS compliance status for your manufacturing standards before finalizing procurement.
Selection Notes
Select this component when designing PCMCIA interfaces requiring precise VCC and VPP control. It is suitable for systems needing automated voltage selection between 3.3V and 5.0V. Consider the 200mA current limit when sizing for load requirements. The integrated driver simplifies control logic compared to discrete solutions. Verify thermal performance within the SOIC package for your specific ambient conditions.
Part Context
This part belongs to the MIC2561 family of power switches. It is manufactured by Microchip Technology, formerly Micrel. The series focuses on PCMCIA and CardBus socket applications. Other variants may offer different package options or slight parameter variations. The family provides standardized solutions for legacy portable computing power management needs.
Replacement Considerations
Check for MIC2561-0BM as a potential variant with similar functionality but potentially different packaging or revision. Verify pin-to-pin compatibility before substitution. Consult official Microchip documentation for cross-reference lists. Ensure replacement parts meet the same VCC/VPP switching specifications.
