LT3050MPMSE Ver la hoja de datos (PDF) - Linear Technology
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LT3050MPMSE
Linear Technology
LT3050MPMSE Datasheet PDF : 26 Pages
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LT3050 Series
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted.
GND Pin Current LT3050-5
2.50
2.25
2.00
RL = 50Ω, IL = 100mA
1.75
1.50
1.25
1.00
RL = 100Ω, IL = 50mA
0.75
0.50
RL = 5k, IL = 1mA
0.25
RL = 500Ω, IL = 10mA
0
0 1 2 3 4 5 6 7 8 9 10 11 12
INPUT VOLTAGE (V)
3050 G07
GND Pin Current vs ILOAD
5.0
VIN = 5.6V
4.5 VOUT = 5V
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0 10 20 30 40 50 60 70 80 90 100
ILOAD (mA)
3050 G08
SHDN Pin Threshold
1.5
1.4 IL = 1mA
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
ON TO OFF
OFF TO ON
0.4
0.3
0.2
0.1
0
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3050 G09
SHDN Pin Input Current
3.0
VSHDN = 45V
2.5
2.0
1.5
1.0
0.5
0
–75 –50 –25
0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3050 G10
SHDN Pin Input Current
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
10
20
30
40
50
SHDN PIN VOLTAGE (V)
3050 G11
Internal Current Limit
350
VIN = 12V
300 VOUT = 0V
250
200
150
100
50
0
–75 –50 –25
0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3050 G13
Internal Current Limit
250
225
200
175
150
125
100
75
50
TJ = 125°C
TJ = 25°C
CURRENT LIMIT
25
TJ = –40°C
AT FAULT
TJ = –55°C
THRESHOLD
0
0 5 10 15 20 25 30 35 40 45
INPUT/OUTPUT DIFFERENTIAL (V)
3050 G14
ADJ Pin Bias Current
50
45
40
35
30
25
20
15
10
5
0
–75 –50 –25
0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3050 G12
Internal Current Limit
vs Output Voltage
225
VIN – VOUT(NOMINAL) = 1V
200
175
150
125
100
75
50
TJ = 125°C
TJ = 25°C
CURRENT LIMIT
25
TJ = –40°C
AT FAULT
TJ = –55°C
THRESHOLD
0
0 5 10 15 20 25 30 35 40 45
OUTPUT VOLTAGE (V)
3050 G15
3050fa
7
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