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LD1084 Datenblatt(PDF) 7 Page - STMicroelectronics

Teilenummer LD1084
Bauteilbeschribung  5A LOW DROP POSITIVE VOLTAGE REGULATOR ADJUSTABLE AND FIXED
PDF  18 Pages
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Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LD1084 Datenblatt(HTML) 7 Page - STMicroelectronics

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LD1084 SERIES
7/18
ELECTRICAL CHARACTERISTICS OF LD1084#8 (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.
ELECTRICAL CHARACTERISTICS OF LD1084#9 (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 =0mA
TJ = 25°C
7.92
8
8.08
V
IO =0to 5A VI = 9.6 to 30V (note 1)
7.84
8
8.16
V
∆V
O
Line Regulation
IO =0mA
VI = 9.6 to 20V TJ = 25°C
1
18
mV
IO =0mA
VI = 9.6 to 20V
2
18
mV
∆V
O
Load Regulation
IO =0to 5A TJ = 25°C
8
30
mV
IO =0to 5A
12
60
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 =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 =0mA
TJ = 25°C
8.91
9
9.09
V
IO =0to 5A VI = 10.6 to 30V (note 1)
8.82
9
9.18
V
∆V
O
Line Regulation
IO =0mA
VI =10.6to20V
TJ = 25°C
1
20
mV
IO =0mA
VI =10.6to20V
2
20
mV
∆V
O
Load Regulation
IO =0to 5A TJ = 25°C
8
30
mV
IO =0to 5A
12
60
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 =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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