Datasheet
2018 Microchip Technology Inc. DS20006006A-page 9
MIC5501/2/3/4
3.0 PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 3-1.
TABLE 3-1: PIN FUNCTION TABLE
4-Lead TDFN
Pin Number
SOT23-5
Pin Number
Pin Name Description
1 5 VOUT Output Voltage. When disabled the MIC5502 and MIC5504
switches on an internal 25 load to discharge the external
capacitors.
2 2 GND Ground.
3 3 EN Enable Input: Active-High. High = ON; Low = OFF. For MIC5501
and MIC5502 do not leave floating. MIC5503 and MIC5504 have
an internal pull-down and this pin may be left floating.
4 1 VIN Supply Input.
— 4 NC No Connection. Pin is not internally connected.
EP — ePAD Exposed Heatsink Pad. Connect to GND for best thermal
performance.