lt3080-1 Linear Technology Corporation, lt3080-1 Datasheet - Page 5

• Manufacturer Part Number: lt3080-1
• Description: Parallelable 1.1a Adjustable Single Resistor Low Dropout Regulator
• Manufacturer: Linear Technology Corporation

TYPICAL PERFORMANCE CHARACTERISTICS
–100
400
350
300
250
200
150
100
150
100
–50
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
1.2
0.9
0.6
0.3
50
50
0
0
0
0
–50
–50
Dropout Voltage
(Minimum IN Voltage)
Current Limit
Load Transient Response
0
V
V
IN
OUT
–25
–25
5
= 7V
= 0V
10
0
0
15
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
20
TIME (μs)
50
50
25
V
V
C
C
IN
OUT
OUT
SET
I
I
LOAD
LOAD
= V
30 35
75
75
I
= 0.1μF
LOAD
= 1.5V
= 10μF CERAMIC
CONTROL
= 500mA
= 100mA
100
100
= 1.1A
40
125
125
= 3V
30801 G10
30801 G13
45
30801 G16
150
150
50
–25
–50
1.4
1.2
0.8
0.6
0.4
1.6
1.0
0.2
0.8
1.6
1.4
1.2
1.0
0.6
0.4
0.2
75
50
25
0
0
6
5
4
3
2
0
0
*SEE NOTE 9 IN ELECTRICAL
0
0
Dropout Voltage
(Minimum V
Current Limit
Line Transient Response
CHARACTERISTICS TABLE
10
INPUT-TO-OUTPUT DIFFERENTIAL (V)
T
0.2
6
J
20
= 25°C
OUTPUT CURRENT (A)
30
T
12
0.4
J
= –50°C
CONTROL
40
TIME (μs)
0.6
18
50
60 70
Pin Voltage)
T
24
V
I
C
C
J
0.8
LOAD
OUT
OUT
SET
= 125°C
CERAMIC
CERAMIC
= 0.1μF
= 1.5V
= 2.2μF
= 10mA
80
T
J
30
1.0
= 25°C
30801 G14
30801 G17
30801 G11
90
100
1.2
36*
–20
–40
400
300
200
100
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
60
40
20
2.0
1.5
1.0
0.5
0
0
0
5
4
3
2
1
0
0
–50
0
Load Transient Response
0
Dropout Voltage
(Minimum V
Turn-On Response
5
–25
1
10
2
C
0
OUT
15
TEMPERATURE (°C)
I
3
LOAD
= 2.2μF CERAMIC
25
CONTROL
20
C
TIME (μs)
4
OUT
TIME (μs)
= 1mA
LT3080-1
25
50
C
= 2.2μF CERAMIC
5
OUT
V
C
V
I
OUT
SET
IN
LOAD
30 35
6
75
= 10μF CERAMIC
Pin Voltage)
= V
= 0.1μF
= 1.5V
CONTROL
= 1.1A
7
R
C
R
100
SET
SET
LOAD
40
8
= 0
= 100k
125
= 1Ω
30801 G15
45
30801 G12
= 3V
30801 G18
9
30801f
5
150
50
10