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Microchip Technology MIC94040YFLTR High-Side Load Switch

The MIC94040 series high-side load switches support up to 3A current in a compact 1.2mm x 1.2mm MLF® package, operating from 1.7V to 5.5V input voltage. They feature rapid turn-on, soft-start (for MIC94042 and MIC94043), load discharge circuitry, and active high enable control with internal level shift. Ideal for battery-powered and portable applications such as smartphones, media players, and industrial equipment, these devices offer ultra-low quiescent current, low shutdown current, and high junction temperature tolerance for enhanced durability and power efficiency.

Authorized Distributors
Source:Newark
Part No:MIC94040YFL-TR
Stock:848
Inv Date:06-11-2026
Price: Unit price: $0.936
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Source:DigiKey
Part No:MIC94040YFL-TR
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.59
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Part No:MIC94040YFL-TR
Stock:18738
Inv Date:06-12-2026
Price: Unit price: $0.77
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Part No:MIC94040YFL-TR
Stock:11024
Inv Date:06-11-2026
Price: Unit price: $0.648
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Part No:MIC94040YFL-TR
Stock:11024
Inv Date:06-11-2026
Price: Unit price: $0.648
Buy/RFQ:
Part No:MIC94040YFL-TR
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.59
Buy/RFQ:
Part No:MIC94040YFL TR
Stock:39
Inv Date:06-12-2026
Price: N/A
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Microchip Technology MIC94040YFLTR High-Side Load Switch Specifications:

  • Package Type: 4-pin MLF® 1.2mm x 1.2mm
  • Continuous Current: 3A
  • Input Voltage Range: 1.7V to 5.5V
  • Enable Voltage: Active-high logic control, up to 5.5V
  • Turn-On Delay: 0.97 to 1.5 µs
  • Turn-Off Delay: 100 to 200 ns
  • Thermal Resistance: RθJC 90°C/W, RθCA 53°C/W
  • Operating Temperature: -40°C to +125°C
  • Quiescent Current: 0.1 to 1 µA
  • Shutdown Current: 0.1 to 1 pA
  • Load Discharge Circuit: Present in MIC94041 and MIC94043
  • Soft-Start Time: 100 µs for MIC94042 and MIC94043
  • Junction Temperature: Up to 125°C

Buy the MICREL Series MIC94040 Load Switch: MIC94040YFLTR

Purchase the MIC94040 series high-side load switch online today to enhance your portable device power circuit with reliable 3A support, ultra-low quiescent current, and fast switching. Its compact 1.2mm x 1.2mm MLF® package makes it ideal for space-constrained applications like smartphones, media players, and industrial instrumentation. Incorporate the devices for efficient power control, soft-start features to prevent inrush current, and active discharge circuits for reliable operation. Ensure your design benefits from superior performance, durability, and easy online procurement.

Get MICREL MIC94040YFLTR today—built for precision and long-lasting durability in portable device power management.

Frequently Asked Questions

Where can I buy Microchip Technology MIC94040YFLTR?

You can click on the BUY or RFQ button to purchase MIC94040YFLTR from an authorized Microchip Technology distributor.

How do I troubleshoot issues or seek technical support for part MIC94040YFLTR?

You can download the MIC94040YFLTR datasheet or visit the Microchip Technology website for support.

Who is the manufacturer of MIC94040YFLTR?

Microchip Technology

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