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LD1585C Datasheet, PDF (4/17 Pages) STMicroelectronics – 5A LOW DROPOUT FAST RESPONSE POSITIVE VOLTAGE REGULATOR ADJUSTABLE AND FIXED
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LD1585C SERIES
ELECTRICAL CHARACTERISTICS OF LD1585#15 (VI=4.5V, CI = CO =10µF, TJ = 0 to 125°C, unless
otherwise specified.)
Symbol
Parameter
Test Conditions
VO
∆VO
∆VO
Vd
Iq
Isc
SVR
eN
S
S
Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Quiescent Current
Short Circuit Current
Termal Regulation
Supply Voltage Rejection
RMS Output Noise Voltage
(% of VO)
Temperature Stability
Long Term Stability
IO = 0 mA TJ = 25°C
IO = 0 to 5A VI = 3 to 25V (note 1)
IO = 0 mA VI = 3 to 15V TJ = 25°C
IO = 0 mA VI = 3 to 15V
IO = 0 to 5A TJ = 25°C
IO = 0 to 5A
IO =5 A
VI ≤ 25V
VI - VO = 5V
TJ = 25°C, 30ms pulse
f = 120 Hz, CO = 25 µF, IO = 5A
VI - VO = 3 ± 1V
TJ = 25°C f =10Hz to 10KHz
TJ = 125°C 1000Hrs
NOTE 1: See short-circuit current curve for available output current at fixed dropout.
Min.
1.485
1.47
5.5
60
Typ.
1.5
1.5
0.005
0.005
0.05
0.05
1.2
5
7
0.004
75
Max.
1.515
1.53
0.2
0.2
0.3
0.5
1.4
10
0.02
Unit
V
V
%
%
%
%
V
mA
A
%/W
dB
0.003
%
0.5
%
0.03
1
%
ELECTRICAL CHARACTERISTICS OF LD1585#18 (VI=4.8V, CI = CO =10µF, TJ = 0 to 125°C, unless
otherwise specified.)
Symbol
Parameter
Test Conditions
VO
∆VO
∆VO
Vd
Iq
Isc
SVR
eN
S
S
Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Quiescent Current
Short Circuit Current
Termal Regulation
Supply Voltage Rejection
RMS Output Noise Voltage
(% of VO)
Temperature Stability
Long Term Stability
IO = 0 mA TJ = 25°C
IO = 0 to 5A VI = 3.3 to 25V (note 1)
IO = 0 mA VI = 3.3 to 15V TJ = 25°C
IO = 0 mA VI = 3.3 to 15V
IO = 0 to 5A TJ = 25°C
IO = 0 to 5A
IO =5 A
VI ≤ 25V
VI - VO = 5.5V
TJ = 25°C, 30ms pulse
f = 120 Hz, CO = 25 µF, IO = 5A
VI - VO = 3 ± 1V
TJ = 25°C f =10Hz to 10KHz
TJ = 125°C 1000Hrs
NOTE 1: See short-circuit current curve for available output current at fixed dropout.
Min.
1.782
1.764
5.5
60
Typ.
1.8
1.8
0.005
0.005
0.05
0.05
1.2
5
7
0.004
75
Max.
1.818
1.836
0.2
0.2
0.3
0.5
1.4
10
0.02
0.003
0.5
0.03
1
Unit
V
V
mV
mV
V
mA
A
%/W
dB
%
%
%
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