LT3080 Ver la hoja de datos (PDF) - Linear Technology
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LT3080 Datasheet PDF : 26 Pages
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LT3080
TYPICAL PERFORMANCE CHARACTERISTICS
Set Pin Current
10.20
10.15
10.10
10.05
10.00
9.95
9.90
9.85
9.80
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3080 G01
Set Pin Current Distribution
N = 13792
9.80
9.90
10.00
10.10 10.20
SET PIN CURRENT DISTRIBUTION (μA)
3080 G02
Offset Voltage (VOUT – VSET)
2.0
IL = 1mA
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3080 G03
Offset Voltage Distribution
N = 13250
–2
–1
0
1
2
VOS DISTRIBUTION (mV)
3080 G04
Load Regulation
0
20
ΔILOAD = 1mA TO 1.1A
–0.1 VIN – VOUT = 2V
10
CHANGE IN REFERENCE CURRENT
–0.2
0
–0.3
–10
CHANGE IN OFFSET VOLTAGE
–0.4
–20
–0.5
(VOUT – VSET)
–30
–0.6
–40
–0.7
–50
–0.8
–50 –25
–60
0 25 50 75 100 125 150
TEMPERATURE (°C)
3080 G07
4
Offset Voltage
1.00
ILOAD = 1mA
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
–1.00
0
6 12 18 24 30 36*
INPUT-TO-OUTPUT VOLTAGE (V)
*SEE NOTE 9 IN ELECTRICAL
CHARACTERISTICS TABLE
3080 G05
Minimum Load Current
0.8
0.7
0.6
VIN, CONTROL – VOUT = 36V*
0.5
0.4
VIN, CONTROL – VOUT = 1.5V
0.3
0.2
0.1
0
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
*SEE NOTE 9 IN ELECTRICAL
CHARACTERISTICS TABLE
3080 G08
Offset Voltage
0.25
0
–0.25
–0.50
–0.75
–1.00
TJ = 25°C
TJ = 125°C
–1.25
–1.50
–1.75
0
0.2 0.4 0.6 0.8 1.0 1.2
LOAD CURRENT (A)
3080 G06
Dropout Voltage
(Minimum IN Voltage)
400
350
TJ = 125°C
300
250
TJ = 25°C
200
150
100
50
0
0 0.2 0.4 0.6 0.8 1.0 1.2
OUTPUT CURRENT (A)
3080 G09
3080fb
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