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LD1084 Datasheet(PDF) 6 Page - STMicroelectronics

Part No. LD1084
Description  5A LOW DROP POSITIVE VOLTAGE REGULATOR ADJUSTABLE AND FIXED
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LD1084 Datasheet(HTML) 6 Page - STMicroelectronics

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LD1084 SERIES
6/18
ELECTRICAL CHARACTERISTICS OF LD1084#36 (VI=6.6V, 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#5 (VI=8V, 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
3.564
3.6
3.636
V
IO =0to 5A VI = 5.2 to 30V (note 1)
3.528
3.6
3.672
V
∆V
O
Line Regulation
IO =0mA
VI = 5.2 to 18V TJ = 25°C
0.5
10
mV
IO =0mA
VI = 5.2 to 18V
0.1
10
mV
∆V
O
Load Regulation
IO =0to 5A TJ = 25°C
3
15
mV
IO =0to 5A
7
20
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 = 8.6 ± 3V
60
72
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
4.95
5
5.05
V
IO =0to 5A VI = 6.6 to 30V (note 1)
4.9
5
5.1
V
∆V
O
Line Regulation
IO =0mA
VI = 6.6 to 20V TJ = 25°C
0.5
10
mV
IO =0mA
VI = 6.6 to 20V
1
10
mV
∆V
O
Load Regulation
IO =0to 5A TJ = 25°C
5
20
mV
IO =0to 5A
10
35
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 =10 ± 3V
60
72
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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