Datasheet

LT3083
5
3083fa
TYPICAL PERFORMANCE CHARACTERISTICS
Offset Voltage Distribution Offset Voltage (V
OUT
– V
SET
) Offset Voltage (V
OUT
– V
SET
)
Load Regulation Minimum Load Current
Dropout Voltage, T/Q Packages
(Minimum IN Voltage)
SET Pin Current Set Pin Current Distribution
–50
SET PIN CURRENT (µA)
49.6
49.7
50
150
3083 G01
49.5
49.8
49.9
50.5
50.4
50.3
50.2
50.1
50.0
25–25 0 75 100 125
TEMPERATURE (°C)
Offset Voltage (V
OUT
– V
SET
)
0
OFFSET VOLTAGE (mV)
5
25
3083 G05
–1.00
–0.75
–0.50
1.00
0.75
0.50
0.25
0
–0.25
10 15 20
INPUT-TO-OUTPUT VOLTAGE (V)
I
LOAD
= 5mA
0
OFFSET VOLTAGE (mV)
0.5
3
3083 G06
–1.75
–1.50
–1.25
0.25
0
–0.25
–0.50
–0.75
–1.00
1 1.5 2.52
LOAD CURRENT (A)
T
J
= 25°C
T
J
= 125°C
–50
CHANGE IN OFFSET VOLTAGE WITH LOAD (mV)
CHANGE IN REFERENCE CURRENT WITH LOAD (nA)
50
150
3083 G07
–1.6
–1.4
0
–0.2
–0.6
–0.8
–1.0
–1.2
25–25 0 75 100 125
TEMPERATURE (°C)
–0.4
–300
–250
100
50
–50
–100
–150
–200
0
CHANGE IN REFERENCE CURRENT
CHANGE IN OFFSET VOLTAGE (V
OUT
– V
SET
)
∆I
LOAD
= 5mA TO 3A
V
IN
= V
CONTROL
= V
OUT
+ 2V
–50
MINIMUM LOAD CURRENT (mA)
50
150
3083 G08
0
0.2
1.4
1.2
1.0
0.8
0.6
0.4
25–25 0 75 100 125
TEMPERATURE (°C)
V
IN,CONTROL
– V
OUT
= 1.5V
V
IN,CONTROL
– V
OUT
= 23V
V
IN
= V
CONTROL
0
MINIMUM VOLTAGE (V
IN
– V
OUT
) (mV)
0.5
3
3083 G09
0
50
100
400
350
300
250
200
150
1 1.5 2 2.5
LOAD CURRENT (A)
T
J
= 125°C
T
J
= 25°C
T
J
= –50°C
T
A
= 25°C, unless otherwise noted.
49
51
3083 G02
49.5 50 50.5
SET PIN CURRENT DISTRIBUTION (µA)
N = 1052
–50
OFFSET VOLTAGE (mV)
50
150
3083 G03
–1.0
–0.4
1.0
0.8
0.4
0.2
0
–0.2
–0.8
–0.6
25–25 0 75 100 125
TEMPERATURE (°C)
0.6
I
LOAD
= 5mA
–3
3
3083 G04
–2 –1 0 21
V
OS
DISTRIBUTION (mV)
N = 1052