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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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Electrical characteristics
Symbol Parameter
Test conditions
SVR
Supply voltage
rejection
CO = 10 µF, f = 1 KHz
VINH
Inhibit input logic LOW = Output OFF,
low
TJ = -40 to 125 °C
VINL
Inhibit input logic HIGH = Output ON,
high
TJ = -40 to 125 °C
IINH
Inhibit input
current
VINH = 0 V, TJ = -40 to 125 °C
VINH = 5 V, TJ = -40 to 125 °C
eN
Output noise
voltage
BW = 300 Hz to 50 KHz, CO = 10 µF
TSHDN
Thermal
shutdown
LD2981
Min. Typ. Max. Unit
63
dB
0.18 V
1.6
V
0
-1
µA
5
15
160
µVRMS
170
°C
Notes:
(1) For VO < 2.5 V dropout voltage can be calculated according to the minimum input voltage in full temperature
range.
(TJ = 25 °C, VI = VO(NOM) +1 V, CI = 1 μF, CO = 2.2 μF, IO = 1 mA, VINH = 2 V, unless
otherwise specified)
Symbol
Table 5: Electrical characteristics for LD2981C
Parameter
Test conditions
Min. Typ. Max. Unit
VOP
Operating input
voltage
2.5
16
V
IO = 1 mA
2.468 2.5 2.531
VO Output voltage IO = 1 to 100 mA
2.45
2.55
V
IO = 1 to 100 mA, TJ = -40 to 125 °C 2.412
2.587
IO = 1 mA
2.962 3 3.037
VO Output voltage IO = 1 to 100 mA
2.94
3.06 V
IO = 1 to 100 mA, TJ = -40 to 125 °C 2.895
3.105
IO = 1 mA
3.258 3.3 3.341
VO Output voltage IO = 1 to 100 mA
3.234
3.366 V
IO = 1 to 100 mA, TJ = -40 to 125 °C 3.184
3.415
IO = 1 mA
4.937 5
5.062
VO Output voltage IO = 1 to 100 mA
4.9
5.1
V
IO = 1 to 100 mA, TJ = -40 to 125 °C 4.825
5.175
VO(NOM) + 1 < VIN < 16 V, IO = 1 mA
ΔVO Line regulation
TJ = -40 to 125 °C
0.003 0.014
%/V
0.032
10/27
DocID6279 Rev 17
 

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