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LD1084D2M80 Scheda tecnica(PDF) 8 Page - STMicroelectronics

Il numero della parte LD1084D2M80
Spiegazioni elettronici  5A LOW DROP POSITIVE VOLTAGE REGULATOR ADJUSTABLE AND FIXED
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

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LD1084 SERIES
8/18
ELECTRICAL CHARACTERISTICS OF LD1084#120 (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.
ELECTRICAL CHARACTERISTICS OF LD1084 (VI=4.25V, 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 =0mA
TJ = 25°C
11.88
12
12.12
V
IO =0to 5A VI = 13.6 to 30V (note 1)
11.76
12
12.24
V
∆V
O
Line Regulation
IO =0mA
VI =13.6to25V
TJ = 25°C
2
25
mV
IO =0mA
VI =13.6to25V
4
25
mV
∆V
O
Load Regulation
IO =0to 5A TJ = 25°C
12
36
mV
IO =0to 5A
24
72
V
Vd
Dropout Voltage
IO =5 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
0.003
0.015
%/W
SVR
Supply Voltage Rejection
f = 120 Hz,
CO =25 µF, IO =5A
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
%
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage
IO = 10mA
TJ = 25°C
1.237
1.25
1.263
V
IO = 10mA to 5A
VI = 2.85 to 30V
(note 1)
1.225
1.25
1.275
V
∆V
O
Line Regulation
IO = 10mA
VI = 2.85 to 16.5V TJ = 25°C
0.015
0.2
%
IO = 10mA
VI = 2.85 to 16.5V
0.035
0.2
%
∆V
O
Load Regulation
IO = 10mA to 5A
TJ = 25°C
0.1
0.3
%
IO = 10mA to 5A
0.2
0.4
%
Vd
Dropout Voltage
IO = 5A
1.3
1.5
V
IO(min)
Minimum Load Current
VI = 30V
3
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
0.003
0.015
%/W
SVR
Supply Voltage Rejection
f = 120 Hz,
CO =25 µF, CADJ =25 µF,
IO =5A
VI = 6.25 ± 3V
60
72
dB
IADJ
Adjust Pin Current
VI = 4.25V
IO =10mA
55
120
µA
∆I
ADJ
Adjust Pin Current Change
IO = 10mA to 5A
VI = 2.85 to 16.5V
(note 1)
0.2
5
µA
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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