Datasheet
Pin configuration LD2981
4/27 DocID6279 Rev 15
2 Pin configuration
Figure 2. Pin connections (top view)
SOT-89
SOT23-5L
Table 1. Pin description
Pin n°
SOT23-5L
Pin n°
SOT-89
Symbol Name and function
13V
IN
Input port
2 2 GND Ground pin
3 INHIBIT
Control switch ON/OFF. Inhibit is not internally pulled-up; it cannot be
left floating. Disable the device when connected to GND or to a
positive voltage less than 0.18 V
4 NC Not connected
51V
OUT
Output port
Table 2. Thermal data
Symbol Parameter SOT23-5L SOT-89 Unit
R
thJC
Thermal resistance junction-case 81 15 °C/W
R
thJA
Thermal resistance junction-ambient 255 110 °C/W