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LD1085CDT Fiches technique(PDF) 8 Page - STMicroelectronics

No de pièce LD1085CDT
Description  3A LOW DROP POSITIVE VOLTAGE REGULATOR ADJUSTABLE AND FIXED
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LD1085CDT Fiches technique(HTML) 8 Page - STMicroelectronics

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LD1085C SERIES
8/15
ELECTRICAL CHARACTERISTICS OF LD1085CDT90 (VI=12V, CI = CO =10µF, TA = -40 to 125°C,
unless otherwise specified.)
NOTE 1: See short-circuit current curve for available output current at fixed dropout.
ELECTRICAL CHARACTERISTICS OF LD1085CDT120 (VI=15V, CI = CO =10µF, TA = -40 to 125°C,
unless otherwise specified.)
NOTE 1: See short-circuit current curve for available output current at fixed dropout.
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage
IO = 0 mA
TJ = 25°C
8.82
9
9.18
V
IO = 0 to 3A VI = 11 to 30V (note 1)
8.73
9
9.27
V
∆V
O
Line Regulation
IO = 0 mA
VI = 11 to 20V
TJ = 25°C
1
20
mV
IO = 0 mA
VI = 11 to 20V
2
20
mV
∆V
O
Load Regulation
IO = 0 to 3A TJ = 25°C
8
30
mV
IO = 0 to 3A
12
60
V
Vd
Dropout Voltage
IO =3 A
1.3
1.5
V
Iq
Quiescent Current
VI ≤ 30V
5
10
mA
Isc
Short Circuit Current
VI - VO = 5V
5.5
6.5
A
VI - VO = 25V
0.5
0.7
A
Termal Regulation
TA = 25°C, 30ms pulse
0.008
0.04
%/W
SVR
Supply Voltage Rejection
f = 120 Hz,
CO = 25 µF, IO = 3A
VI = 14 ± 3V
54
70
dB
eN
RMS Output Noise Voltage
(% of VO)
TA = 25°C
f =10Hz to 10KHz
0.003
%
S
Temperature Stability
0.5
%
S
Long Term Stability
TA = 125°C 1000Hrs
0.5
%
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage
IO = 0 mA
TJ = 25°C
11.76
12
12.24
V
IO = 0 to 3A VI = 13.8 to 30V (note 1)
11.64
12
12.36
V
∆V
O
Line Regulation
IO = 0 mA
VI = 13.8 to 25V
TJ = 25°C
1
25
mV
IO = 0 mA
VI = 13.8 to 25V
2
25
mV
∆V
O
Load Regulation
IO = 0 to 3A TJ = 25°C
12
36
mV
IO = 0 to 3A
24
72
V
Vd
Dropout Voltage
IO =3 A
1.3
1.5
V
Iq
Quiescent Current
VI ≤ 30V
5
10
mA
Isc
Short Circuit Current
VI - VO = 5V
3.2
4.5
A
VI - VO = 25V
0.2
0.5
A
Termal Regulation
TA = 25°C, 30ms pulse
0.008
0.04
%/W
SVR
Supply Voltage Rejection
f = 120 Hz,
CO = 25 µF, IO = 3A
VI = 17 ± 3V
54
66
dB
eN
RMS Output Noise Voltage
(% of VO)
TA = 25°C
f =10Hz to 10KHz
0.003
%
S
Temperature Stability
0.5
%
S
Long Term Stability
TA = 125°C 1000Hrs
0.5
%


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