Datasheet
LT3050 Series
10
3050fa
TYPICAL PERFORMANCE CHARACTERISTICS
T
J
= 25°C, unless otherwise noted.
SHDN Transient Response
C
REF/BYP
= 10nF
External Current Limit
R
IMAX
= 2.26k
Transient Response (Load Dump)
SHDN Transient Response
C
REF/BYP
=0
OUT
5V/DIV
I
L
=100mA
REF/BYP
500mV/DIV
SHDN
1V/DIV
2ms/DIV
3050 G30
OUT
5V/DIV
I
L
= 100mA
REF/BYP
500mV/DIV
SHDN
1V/DIV
2ms/DIV
3050 G31
TEMPERATURE (°C)
CURRENT LIMIT FAULT THRESHOLD (mA)
52.8
50.3
50.8
51.3
51.8
52.3
49.3
49.8
3050 G34
47.8
48.3
48.8
–75 –50 0 25–25 50 75 100 125 150 175
V
OUT
= 5V
V
IN
= 5.6V
V
IN
= 12V
V
IN
= 15V
3050 G29
V
OUT
20mV/DIV
V
IN
10V/DIV
1ms/DIV
45V
12V
V
OUT
= 5V
I
OUT
= 50mA
C
OUT
= 2.2µF
V
OUT
= 5V
50mV/DIV
I
OUT
50mA/DIV
100µs/DIV
3050 G28a
V
IN
= 6V
C
OUT
= C
IN
= 10µF
I
FB-DIVIDER
= 10µA
V
OUT
= 5V
20mV/DIV
I
OUT
50mA/DIV
100µs/DIV
3050 G28b
V
IN
= 6V
C
OUT
= C
IN
= 10µF
I
FB-DIVIDER
= 10µA
5V Transient Response
C
FF
= 0, I
OUT
= 10mA to 100mA
5V Transient Response
C
FF
= 10nF, I
OUT
= 10mA to 100mA
TEMPERATURE (°C)
CURRENT LIMIT FAULT THRESHOLD (mA)
52.0
52.4
52.8
53.2
53.6
54.0
50.8
51.2
51.6
50.4
3050 G34a
48.8
49.6
50.0
49.2
–75 –50 0 25–25 50 75 100 125 150 175
V
OUT
= 3.3V
V
IN
= 13.3V
V
IN
= 3.9V
TEMPERATURE (°C)
CURRENT LIMIT FAULT THRESHOLD (mA)
79.60
80.35
81.10
77.35
78.10
78.85
76.60
3050 G35a
73.60
75.10
75.85
74.35
–75 –50 0 25–25 50 75 100 125 150 175
V
OUT
= 3.3V
V
IN
= 13.3V
V
IN
= 3.9V
TEMPERATURE (°C)
CURRENT LIMIT FAULT THRESHOLD (mA)
104
105
106
101
102
103
100
3050 G36a
96
98
99
97
–75 –50 0 25–25 50 75 100 125 150 175
V
OUT
= 3.3V
V
IN
= 13.3V
V
IN
= 3.9V
External Current Limit
R
IMAX
= 2.26k
External Current Limit
R
IMAX
= 1.5k
External Current Limit
R
IMAX
= 1.15k