LD1085 ST Microelectronics, LD1085 Datasheet - Page 5

• Manufacturer Part Number: LD1085
• Description: 3A LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS
• Manufacturer: ST Microelectronics

ELECTRICAL CHARACTERISTICS FOR LD1085#36 (refer to the test circuits,
T
Note1: See short-circuit curve for available output current at fixed dropout.
ELECTRICAL CHARACTERISTICS FOR LD1085#50 (refer to the test circuits,
T
Note1: See short-circuit curve for available output current at fixed dropout.
Symbol
Symbol
j
j
SVR
SVR
= -40 to 125
= -40 to 125
I
I
V
V
eN
V
V
eN
V
V
I
SC
I
SC
V
V
V
V
S
S
V
V
V
V
S
S
d
d
O
O
O
O
d
d
O
O
O
O
O
O
O
O
Output Voltage
Output Voltage (Note 1)
Line Regulation
Line Regulation
Load Regulation
Load Regulation
Dropout Voltage
Quiescent Current
Short Circuit Current
Thermal Regulation
Supply Voltage Rejection
Output Noise Voltage
Temperature Stability
Long Term Stability
Output Voltage
Output Voltage (Note 1)
Line Regulation
Line Regulation
Load Regulation
Load Regulation
Dropout Voltage
Quiescent Current
Short Circuit Current
Thermal Regulation
Supply Voltage Rejection
Output Noise Voltage
Temperature Stability
Long Term Stability
o
o
C, V
C, V
Parameter
Parameter
IN
IN
= 5.85 V, C
= 8 V, C
IN
= C
IN
I
I
V
V
I
I
I
V
V
V
T
I
V
B = 10Hz to 10KHz T
1000 hrs T
I
I
V
V
I
I
I
V
V
V
T
I
V
B = 10Hz to 10KHz T
1000 hrs T
O
O
O
O
O
O
O
O
O
O
O
O
a
a
= C
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
O
= 0 mA
= 0 to 3 A
= 0 to 3 A
= 0 to 3 A
= 3 A
= 3 A
= 0 mA
= 0 to 3 A
= 0 to 3 A
= 0 to 3 A
= 3 A
= 3 A
= 25
= 25
= 5.2 to 18 V I
= 5.2 to 18 V I
- V
- V
= 8.6 3V
= 6.6 to 20 V I
= 6.6 to 20 V I
- V
- V
= 10 3V
= 10 F unless otherwise specified)
30 V
30 V
O
O
O
O
O
o
o
= 10 F unless otherwise specified)
= 5V
= 25V
= 5V
= 25V
C 30ms Pulse
C 30ms Pulse
a
a
Test Conditions
f = 120 Hz C
Test Conditions
f = 120 Hz C
= 125
= 125
V
T
V
T
T
T
j
j
j
j
IN
IN
= 25
= 25
= 25
= 25
O
O
O
O
= 5.2 to 30 V
= 6.6 to 30 V
o
o
C
C
= 0 mA T
= 0 mA
= 0 mA T
= 0 mA
o
o
a
o
o
a
C
C
C
C
= 25
= 25
O
O
= 25 F
= 25 F
o
o
C
C
j
j
= 25
= 25
o
o
C
C
3.564
3.528
4.95
Min.
Min.
3.2
0.2
4.9
3.2
0.2
60
60
0.008
0.003
0.008
0.003
Typ.
Typ.
3.6
3.6
0.5
1.3
4.5
0.5
0.5
0.5
0.5
1.3
4.5
0.5
0.5
0.5
10
72
72
1
3
7
5
5
5
1
5
5
LD1085 SERIES
3.636
3.672
Max.
Max.
0.04
5.05
0.04
1.5
5.1
1.5
10
10
15
20
10
10
10
20
35
10
%/W
%/W
Unit
Unit
mV
mV
mV
mV
mA
mV
mV
mV
mV
mA
dB
dB
%
%
%
%
%
%
V
V
V
A
V
V
V
A
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