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LD1085V25 Scheda tecnica(PDF) 7 Page - STMicroelectronics

Il numero della parte LD1085V25
Spiegazioni elettronici  3A LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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LD1085V25 Scheda tecnica(HTML) 7 Page - STMicroelectronics

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LD1085 SERIES
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Table 11: Electrical Characteristics Of LD1085#80 (VI=11V, 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.
Table 12: Electrical Characteristics Of LD1085#90 (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.
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage
IO = 0 mA TJ = 25°C
7.92
8
8.08
V
IO = 0 to 3AVI = 9.8 to 30V (note 1)
7.84
8
8.16
V
∆VO
Line Regulation
IO = 0 mA VI = 9.8 to 20V TJ = 25°C
1
18
mV
IO = 0 mA VI = 9.8 to 20V
2
18
mV
∆VO
Load Regulation
IO = 0 to 3ATJ = 25°C
8
30
mV
IO = 0 to 3A
12
60
mV
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
Thermal Regulation
TA = 25°C, 30ms pulse
0.008
0.04
%/W
SVR
Supply Voltage Rejection
f = 120 Hz, CO = 25 µF,
IO = 3A
VI = 13 ± 3V
54
71
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
8.91
9
9.09
V
IO = 0 to 3AVI = 11 to 30V (note 1)
8.82
9
9.18
V
∆VO
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
∆VO
Load Regulation
IO = 0 to 3ATJ = 25°C
8
30
mV
IO = 0 to 3A
12
60
mV
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
Thermal 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
%


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