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LD2981 View Datasheet(PDF) - STMicroelectronics

Part Name
Description
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LD2981 Datasheet PDF : 27 Pages
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Pin configuration
2
Pin configuration
Figure 2: Pin connections (top view)
LD2981
Pin n°
SOT23-5L
1
2
3
4
5
Pin n°
SOT-89
3
2
1
Symbol
Table 1: Pin description
Name and function
VIN Input port
GND Ground pin
Control switch ON/OFF. Inhibit is not internally pulled-up; it
INHIBIT cannot be left floating. Disable the device when connected to
GND or to a positive voltage less than 0.18 V
NC Not connected
VOUT Output port
Symbol
RthJC
RthJA
Table 2: Thermal data
Parameter
Thermal resistance junction-case
Thermal resistance junction-ambient
SOT23-5L
81
255
SOT-89
15
110
Unit
°C/W
°C/W
6/27
DocID6279 Rev 17
 

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