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TCK108AF,LF
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Product Detailed Parameters
- Description：IC PWR SWITCH P-CHANNEL 1:1 5SMV
- Series：-
- Mfr：Toshiba Semiconductor and Storage
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Type：General Purpose
- Number of Outputs：1
- Ratio - Input:Output：1:01
- Output Configuration：High Side
- Output Type：P-Channel
- Interface：On/Off
- Voltage - Load：1.1V ~ 5.5V
- Voltage - Supply (Vcc/Vdd)：Not Required
- Current - Output (Max)：1A
- Rds On (Typ)：63mOhm
- Input Type：Inverting
- Features：Load Discharge, Slew Rate Controlled
- Fault Protection：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：SMV
- Package / Case：SC-74A, SOT-753
- Grade：-
- Qualification：-
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Overview
The TCK108AF,LF is a P-channel power load switch IC designed for general power management applications. It operates within an input voltage range of 1.1 V to 5.5 V and supports a continuous current of 1.0 A. The device features a low on-resistance of 63 mΩ at 5 V, ensuring efficient power delivery. Integrated slew rate control minimizes inrush current during switching events. Packaged in the compact SMV (SOT-25) format, it is suitable for space-constrained designs.
Feature Summary
- Integrated slew rate control driver for managing inrush current
- Low switch ON resistance for high efficiency
- Wide input voltage operation range
- Compact surface-mount package
Applications
- Consumer equipment
- IoT devices
- Wearable equipment
Procurement Notes
Verify the specific suffix 'LF' indicates lead-free compliance as per Toshiba standards. Confirm the 'AF' marking corresponds to the correct tape-and-reel or cut-tape packaging configuration required for your assembly line. Cross-reference the datasheet revision date to ensure compatibility with your design specifications before finalizing procurement orders.
Selection Notes
Select this component when a P-channel load switch is required for voltages up to 5.5 V. The 1.0 A current rating suits moderate load applications. The integrated slew rate control makes it preferable over standard switches where soft-start functionality is needed to protect downstream circuits from voltage spikes.
Part Context
This part belongs to Toshiba's TCK108 series of load switch ICs. The series focuses on power distribution in portable electronics. The TCK108AF variant specifically denotes the P-channel configuration with the associated package and marking code. It complements other variants in the family that may offer different current ratings or N-channel configurations.
Replacement Considerations
Check for direct substitutes like the TCK107G,LF if lower current requirements exist. Ensure any replacement maintains the SMV package footprint and compatible logic levels. Verify that alternative parts support the same 1.1 V to 5.5 V operating range without requiring external components for slew rate control.
