Datasheet

LT3085
4
3085fb
TYPICAL PERFORMANCE CHARACTERISTICS
TEMPERATURE (°C)
–50
SET PIN CURRENT (μA)
10.00
10.10
150
3085 G01
9.90
9.80
0
50
100
–25
25
75
125
10.20
9.95
10.05
9.85
10.15
SET PIN CURRENT DISTRIBUTION (μA)
10.20
3085 G02
9.90
10.00
10.10
9.80
N = 1676
TEMPERATURE (°C)
–50
OFFSET VOLTAGE (mV)
0
1.0
150
3085 G03
–1.0
–2.0
0
50
100
–25
25
75
125
2.0
–0.5
0.5
–1.5
1.5
V
OS
DISTRIBUTION (mV)
2
3085 G04
–1
0
1
–2
N = 1676
INPUT-TO-OUTPUT VOLTAGE (V)
0
OFFSET VOLTAGE (mV)
–0.25
0
0.25
18
30
3085 G05
–0.50
–0.75
–1.00
612 24
0.50
0.75
1.00
36
I
LOAD
= 1mA
LOAD CURRENT (mA)
0
OFFSET VOLTAGE (mV)
–1.00
–0.75
–0.50
250 300 450
3085 G06
–1.25
–1.50
–1.75
50 100 150 200 350 400
–0.25
0
0.25
500
T
J
= 25°C
T
J
= 125°C
TEMPERATURE (°C)
–50
CHANGE IN OFFSET VOLTAGE WITH LOAD (mV)
CHANGE IN REFERENCE CURRENT
WITH LOAD (nA)
150
3085 G07
0
50
100
–25
25
75
125
020
CHANGE IN REFERENCE CURRENT
CHANGE IN OFFSET VOLTAGE
(V
OUT
– V
SET
)
–0.4
–0.2
–0.6
–0.8
–0.5
–0.3
–0.7
–0.1
–20
0
–40
–60
–30
–10
–50
10
ΔI
LOAD
= 1mA TO 500mA
V
IN
– V
OUT
= 2V
TEMPERATURE (°C)
–50
MINIMUM LOAD CURRENT (mA)
0.4
0.6
150
3085 G08
0.2
0
0
50
100
–25
25
75
125
0.8
0.3
0.5
0.1
0.7
V
IN, CONTROL
– V
OUT
= 36V
V
IN, CONTROL
– V
OUT
= 1.5V
LOAD CURRENT (mA)
0
MINIMUM IN VOLTAGE (V
IN
– V
OUT
) (mV)
150
200
250
3085 G09
100
50
0
300
350
400
0 250 300 45050 100 150 200 350 400 500
T
J
= 125°C
T
J
= 25°C
Set Pin Current Set Pin Current Distribution Offset Voltage (V
OUT
– V
SET
)
Offset Voltage Distribution Offset Voltage Offset Voltage
Load Regulation
Minimum Load Current
Dropout Voltage
(Minimum IN Voltage)