
LD1085C SERIES
6/15
ELECTRICAL CHARACTERISTICS OF LD1085CDT33
(V
I
=6.3V, 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.
ELECTRICAL CHARACTERISTICS OF LD1085CDT36
(V
I
=6.6V, 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
I
O
= 0 to 3A V
I
= 4.9 to 30V (note 1)
I
O
= 0 mA
V
I
= 4.9 to 18V T
J
= 25°C
I
O
= 0 mA
V
I
= 4.9 to 18V
I
O
= 0 to 3A T
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, I
O
= 5A
V
I
= 8.3
±
3V
T
A
= 25°C
f =10Hz to 10KHz
T
J
= 25°C
3.234
3.201
3.35
3.35
0.5
1
3
7
1.3
5
4.5
0.5
0.008
72
3.366
3.399
6
6
15
20
1.5
10
V
V
V
O
Line Regulation
mV
mV
mV
V
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
Termal Regulation
Supply Voltage Rejection
0.04
SVR
60
eN
RMS Output Noise Voltage
(% of V
O
)
Temperature Stability
Long Term Stability
0.003
%
S
S
0.5
0.5
%
%
T
A
= 125°C
1000Hrs
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
O
Output Voltage
I
O
= 0 mA
I
O
= 0 to 3A V
I
= 5.2 to 30V (note 1)
I
O
= 0 mA
V
I
= 5.2 to 18V T
J
= 25°C
I
O
= 0 mA
V
I
= 5.2 to 18V
I
O
= 0 to 3A T
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, I
O
= 3A
V
I
= 8.6
±
3V
T
A
= 25°C
f =10Hz to 10KHz
T
J
= 25°C
3.528
3.492
3.6
3.6
0.5
1
3
7
1.3
5
4.5
0.5
0.008
72
3.672
3.708
10
10
15
20
1.5
10
V
V
V
O
Line Regulation
mV
mV
mV
V
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
Termal Regulation
Supply Voltage Rejection
0.04
SVR
60
eN
RMS Output Noise Voltage
(% of V
O
)
Temperature Stability
Long Term Stability
0.003
%
S
S
0.5
0.5
%
%
T
A
= 125°C
1000Hrs