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LD1085 SERIES
8/19
Table 13: Electrical Characteristics Of LD1085#12
(V
I
=15V, C
I
= C
O
=10
μ
F, T
A
= -40 to 125°C, unless
otherwise specified.)
NOTE 1: See short-circuit current curve for available output current at fixed dropout.
Table 14: Electrical Characteristics Of LD1085#
(V
I
=4.25V, C
I
= C
O
=10
μ
F, T
A
= -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
V
O
Output Voltage
I
O
= 0 mA T
J
= 25°C
I
O
= 0 to 3AV
I
= 13.8 to 30V (note 1)
I
O
= 0 mA V
I
= 13.8 to 25V T
J
= 25°C
I
O
= 0 mA V
I
= 13.8 to 25V
I
O
= 0 to 3AT
J
= 25°C
I
O
= 0 to 3A
I
O
=3 A
V
I
≤
30V
V
I
- V
O
= 5V
V
I
- V
O
= 25V
T
A
= 25°C, 30ms pulse
f = 120 Hz, C
O
= 25
μ
F,
V
I
= 17
±
3V
T
A
= 25°C f =10Hz to 10KHz
11.88
11.76
12
12
1
2
12
24
1.3
5
4.5
0.5
0.008
66
12.12
12.24
25
25
36
72
1.5
10
V
V
V
O
Line Regulation
mV
mV
mV
mV
V
mA
A
A
%/W
dB
V
O
Load Regulation
V
d
I
q
I
sc
Dropout Voltage
Quiescent Current
Short Circuit Current
3.2
0.2
Thermal Regulation
Supply Voltage Rejection
0.04
SVR
I
O
= 3A
54
eN
RMS Output Noise Voltage
(% of V
O
)
Temperature Stability
Long Term Stability
0.003
%
S
S
0.5
0.5
%
%
T
A
= 125°C1000Hrs
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
O
Output Voltage
I
O
= 10mA T
J
= 25°C
I
O
= 10mA to 5AV
I
= 2.85 to 30V (note 1)
I
O
= 10mA V
I
= 2.85 to 16.5V T
J
= 25°C
I
O
= 10mA V
I
= 2.85 to 16.5V
I
O
= 10mA to 5AT
J
= 25°C
I
O
= 0 to 5A
I
O
= 5A
V
I
=
30V
V
I
- V
O
= 5V
V
I
- V
O
= 25V
T
A
= 25°C, 30ms pulse
f = 120 Hz, C
O
= 25
μ
F, C
ADJ
= 25
μ
F,
I
O
= 5A
V
I
= 6.25
±
3V
V
I
=
4.25V I
O
= 10 mA
I
O
= 10mA to 5A
(note 1)
T
A
= 25°C f =10Hz to 10KHz
1.237
1.225
1.25
1.25
0.015
0.035
0.1
0.2
1.3
3
6.5
0.7
0.003
72
1.263
1.275
0.2
0.2
0.3
0.4
1.5
10
V
V
%
%
%
%
V
mA
A
A
%/W
dB
V
O
Line Regulation
V
O
Load Regulation
V
d
Dropout Voltage
Minimum Load Current
Short Circuit Current
I
O(min)
I
sc
5.5
0.5
Thermal Regulation
Supply Voltage Rejection
0.015
SVR
60
I
ADJ
I
ADJ
Adjust Pin Current
Adjust Pin Current Change
55
0.2
120
5
μ
A
μ
A
V
I
= 2.85 to 16.5V
eN
RMS Output Noise Voltage
(% of V
O
)
Temperature Stability
Long Term Stability
0.003
%
S
S
0.5
0.5
%
%
T
A
= 125°C1000Hrs