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MIC94051

Features: • 0.125 typical on-resistance at 4.5V gate-to-source voltage• Operates with 1.8V gate-to-source voltage• Separate substrate connection allows reverse-blockingApplication• Distributed power management• PCMCIA card power management• USB ports• Batt...

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MIC94051: Features: • 0.125 typical on-resistance at 4.5V gate-to-source voltage• Operates with 1.8V gate-to-source voltage• Separate substrate connection allows reverse-blockingApplication&...

MIC94051 Data Sheet

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Part Number:
MIC94051
Supply Ability:
5000

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  • 1~5000
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Product Details

Description



Features:

• 0.125 typical on-resistance at 4.5V gate-to-source voltage
• Operates with 1.8V gate-to-source voltage
• Separate substrate connection allows reverse-blocking


Application

• Distributed power management
• PCMCIA card power management
• USB ports
• Battery-powered computers, peripherals
• Handheld bar-code scanners
• Portable communications equipment
• Reverse blocking battery management


Pinout

Connection Diagram


Specifications

Drain-to-Source Voltage.............................................. 6V
Gate-to-Source Voltage ...............................................6V
Continuous Drain Current
TA = 25 (VGS = 4.5V) ................................................ 1.8A
TA = 100 (VGS = 4.5V) .......................................... ....1.2A
Total Power Dissipation
TA = 25 .................................................................568mW
TA = 100 ...............................................................227mW
Operating Junction Temperature ............. .40 to +150
Storage Temperature ............................... 55 to +150
ESD Rating, Note 2


Description

The MIC94050 and MIC94051 are 4-terminal silicon gate P-channel MOSFETs that provide low on-resistance in a very small package.

Designed for high-side switch applications where space is critical, the MIC94050/1 exhibits an on-resistance of typically 0.125 at 4.5V gate-to-source voltage. The MIC94050/1 also operates with only 1.8V gate-to-source voltage.

The MIC94050 is the basic 4-lead P-channel MOSFET. The MIC94051 is a variation that includes an internal gate pull-up resistor that can reduce the system parts count in many applications.

The 4-terminal SOT-143 package permits a substrate connection separate from the source connection. This 4-terminal configuration of MIC94051 improves the JA (improved heat dissipation) and makes reverse-blocking switch applications practical.

The small size, low threshold, and low RDS(on) make the MIC94050/1 the ideal choice for PCMCIA, USB, back-up battery-power, and distributed power management applications.




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