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Microchip Technology MIC94042YFLTR High-Side Load Switch

The MIC94042YFLTR is a high-side load switch designed for portable and industrial applications, supporting up to 3A continuous current with an ultra-compact 1.2mm x 1.2mm MLF package. Operating from 1.7V to 5.5V, it features rapid turn-on, slew rate controlled soft-start, active load discharge, and internal level shifting circuitry for low-voltage logic control. Its low quiescent and shutdown currents maximizes battery life, making it ideal for mobile devices like smartphones, GPS, and portable instrumentation requiring efficient power switching and protection in a small form factor.

Authorized Distributors
Source:Newark
Part No:MIC94042YFL-TR
Stock:8030
Inv Date:06-11-2026
Price: Unit price: $0.927
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Source:DigiKey
Part No:MIC94042YFL-TR
Stock:16902
Inv Date:06-11-2026
Price: Unit price: $0.9
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Part No:MIC94042YFL-TR
Stock:7203
Inv Date:06-12-2026
Price: Unit price: $0.9
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Part No:MIC94042YFL-TR
Stock:11000
Inv Date:06-11-2026
Price: Unit price: $0.753
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Part No:MIC94042YFL-TR
Stock:11000
Inv Date:06-11-2026
Price: Unit price: $0.753
Buy/RFQ:
Part No:MIC94042YFL-TR
Stock:15000
Inv Date:06-11-2026
Price: Unit price: $0.685
Buy/RFQ:
Part No:MIC94042YFL TR
Stock:822
Inv Date:06-12-2026
Price: N/A
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Microchip Technology MIC94042YFLTR High-Side Load Switch Specifications:

  • Package: 1.2mm x 1.2mm MLF®
  • Continuous current: 3A
  • Input voltage: 1.7V to 5.5V
  • Maximum junction temperature: +125°C
  • Enable voltage: active-high, up to 5.5V, with internal level shift circuitry
  • Quiescent current: 0.1 to 1 pA (shutdown), typical turn-on delay: 1.5 µs
  • Switching resistance: 28mΩ at Vin = 5V, Iout = 100mA
  • Thermal resistance RθJC: 90°C/W, RθJA: varies with PCB area
  • Features: soft-start (MIC94042), load discharge (MIC94043), ultra-low quiescent current, active load discharge
  • Operating temperature range: -40°C to +125°C
  • Applications include cellular phones, portable navigation, personal media players, ultra mobile PCs, industrial equipment

Buy the Micrel Series MIC94042 Load Switch: MIC94042YFLTR

Get the Micrel Series MIC94042YFLTR high-side load switch now online for reliable, compact, and efficient power management in portable and industrial applications. Designed to support up to 3A current with ultra-low quiescent and shutdown currents, it features quick turn-on, slew rate controlled soft-start, and load discharge capabilities. Its small 1.2mm x 1.2mm package makes it ideal for space-constrained systems like smartphones, GPS devices, and portable instrumentation, offering superior power control, protection, and battery efficiency.

Order your Micrel Series MIC94042YFLTR high-side load switch today and enjoy efficient power switching in your portable and industrial projects.

Frequently Asked Questions

Where can I buy Microchip Technology MIC94042YFLTR?

You can click on the BUY or RFQ button to purchase MIC94042YFLTR from an authorized Microchip Technology distributor.

How do I troubleshoot issues or seek technical support for part MIC94042YFLTR?

You can download the MIC94042YFLTR datasheet or visit the Microchip Technology website for support.

Who is the manufacturer of MIC94042YFLTR?

Microchip Technology

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