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In Production
Driver Type |
Single High-Side Load Switches |
Vin Min (V) |
1.8 |
Vin Max (V) |
5.5 |
Max SW Current (A) |
1.8 |
RDS ON @5V (mO) |
125 |
Enable Logic |
Low True |
VEN (V) |
1.2 |
Input Pull-Up Resistor |
Yes |
Reverse Current Blocking |
Yes |
Oja (C/W) |
220 |
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 Ohm 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 improves the θJA (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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