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MIC94043YFL-TR
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Product Detailed Parameters
- Description：IC PWR SWITCH P-CHAN 1:1 4MLF
- Series：-
- Mfr：Microchip Technology
- 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：1.7V ~ 5.5V
- Voltage - Supply (Vcc/Vdd)：Not Required
- Current - Output (Max)：3A
- Rds On (Typ)：28mOhm
- Input Type：Non-Inverting
- Features：Load Discharge, Slew Rate Controlled
- Fault Protection：-
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Supplier Device Package：4-MLF® (1.2x1.2)
- Package / Case：4-WQFN, 4-MLF®
- Grade：-
- Qualification：-
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Overview
The MIC94043YFL-TR is a high-side load switch manufactured by Microchip Technology. It features an internal 28mΩ P-channel MOSFET pass element capable of delivering up to 3A output current. The device operates within a supply voltage range of 1.7V to 5.5V. Key timing specifications include a maximum turn-on time of 1.5µs and a maximum turn-off time of 200ns. The maximum on-resistance is rated at 55mΩ. It supports operation from -40°C to +85°C and is housed in a UDFN-4 package.
Feature Summary
- Integrates a low on-resistance P-channel MOSFET for efficient power distribution
- Provides precise control with fast switching times for load management
- Operates across a wide input voltage range suitable for various logic levels
Applications
- High-side power distribution in embedded systems
- Load switching for peripheral devices in consumer electronics
- Power management in industrial control modules
Procurement Notes
Verify the specific suffix YFL against the manufacturer's latest datasheet to confirm package dimensions and tape-and-reel quantities. Ensure thermal requirements align with the UDFN-4 footprint constraints. Cross-reference RoHS compliance status directly with official documentation before procurement.
Selection Notes
Select this component when a compact high-side switch with 3A capacity is required. The 28mΩ resistance minimizes power loss compared to higher resistance alternatives. Consider the UDFN-4 package size for space-constrained PCB layouts. Verify that the 1.7V minimum operating voltage matches the system's control logic levels.
Part Context
This part belongs to the MIC9404x series of high-side load switches from Microchip Technology. It shares functional similarities with models like the MIC94041 and MIC94045 but differs in packaging and temperature ratings. The series is designed for general-purpose power distribution applications requiring reliable load switching capabilities.
Replacement Considerations
The MIC94041YFL-TR and MIC94045YFL-TR are related variants within the same family. Check datasheets for differences in operating temperature ranges and package types (MLF vs UDFN) before substitution.
