Datasheet

LT3050 Series
6
3050fa
TYPICAL PERFORMANCE CHARACTERISTICS
Adjustable Quiescent Current ADJ Pin Voltage
Quiescent Current
Typical Dropout Voltage
Guaranteed Dropout Voltage Dropout Voltage
T
J
= 25°C, unless otherwise noted.
OUTPUT CURRENT (mA)
DROPOUT VOLTAGE (mV)
600
300
350
400
450
550
500
250
3050 G01
0
50
100
150
200
0 10 20 30 40 50 60 70 80 90 100
T
J
≤ 125°C
T
J
≤ 25°C
OUTPUT CURRENT (mA)
DROPOUT VOLTAGE (mV)
600
300
350
400
450
550
500
250
3050 G02
0
50
100
150
200
0 10 20 30 40 50 60 70 80 90 100
T
J
= 125°C
=TEST POINTS
T
J
= 25°C
TEMPERATURE (°C)
–75
0
DROPOUT VOLTAGE (mV)
450
500
550
400
350
300
250
200
150
100
50
600
–50 75 100 125 150 175–25 0 25
3050 G03
50
I
L
= 100mA
I
L
= 50mA
I
L
= 10mA
I
L
= 1mA
TEMPERATURE (°C)
–75
0
QUIESCENT CURRENT (µA)
50
60
70
40
30
20
10
80
–50 75 100 125 150 175–25 0 25
3050 G04
50
V
IN
= V
SHDN
= 12V
V
OUT
= 5V
I
L
= 5µA
V
IN
= 12V
ALL OTHER PINS = 0V
V
IN
(V)
QUIESCENT CURRENT (µA)
100
50
60
80
70
90
40
30
3050 G06
0
10
20
0 5 10 15 20 25 30 35 40 45
LT3050-5
LT3050-3.3
V
SHDN
= 0V, R
L
= 0
T
J
= 25°C
I
LOAD
= 10µA
TEMPERATURE (°C)
–75
588
ADJ PIN VOLTAGE (mV)
606
608
610
604
602
600
598
596
594
592
590
612
–50 75 100 125 150 175–25 0 25
3050 G05
50
I
LOAD
= 1mA
INPUT VOLTAGE (V)
GND PIN CURRENT (mA)
2.50
1.50
1.75
2.00
2.25
1.25
3050 G07a
0
0.25
0.50
0.75
1.00
0123456789101112
R
L
= 33, I
L
= 100mA
R
L
= 66, I
L
= 50mA
R
L
= 330, I
L
= 10mA
R
L
= 3.3k, I
L
= 1mA
GND Pin Current LT3050-3.3
TEMPERATURE (°C)
–75
3.234
OUTPUT VOLTAGE (V)
3.333
3.344
3.355
3.322
3.311
3.300
3.289
3.278
3.267
3.256
3.245
3.366
–50 75 100 125 150 175–25 0 25
3050 G05a
50
I
LOAD
= 1mA
Output Voltage LT3050-3.3
TEMPERATURE (°C)
–75
4.900
OUTPUT VOLTAGE (V)
5.100
5.075
5.050
5.025
5.000
4.975
4.950
4.925
–50 75 100 125 150 175–25 0 25
3050 G05b
50
I
LOAD
= 1mA
Output Voltage LT3050-5