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LD2981 Datasheet(PDF) 2 Page - STMicroelectronics

Part No. LD2981
Description  VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LD2981 Datasheet(HTML) 2 Page - STMicroelectronics

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LD2981 SERIES
2/17
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is
not implied.
THERMAL DATA
CONNECTION DIAGRAM (top view)
PIN DESCRIPTION
Symbol
Parameter
Value
Unit
VI
DC Input Voltage
-0.3 to 16
V
VINH
INHIBIT Input Voltage
-0.3 to 16
V
IO
Output Current
Internally limited
PD
Power Dissipation
Internally limited
TSTG
Storage Temperature Range
-55 to 150
°C
TOP
Operating Junction Temperature Range
-40 to 125
°C
Symbol
Parameter
SOT23-5L
SOT-89
Unit
Rthj-case Thermal Resistance Junction-case
81
15
°C/W
Rthj-amb Thermal Resistance Junction-ambient
255
110
°C/W
Pin N°
SOT23-5L
Pin N°
SOT-89
Symbol
Name and Function
13
VIN
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 0.18V
4
NC
Not Connected
51
VOUT
Output Port
SOT23-5L
SOT-89


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