lt3050 Linear Technology Corporation, lt3050 Datasheet - Page 9

• Manufacturer Part Number: lt3050
• Description: 100ma, Low Noise Linear Regulator With Precision Current Limit And Diagnostic Functions
• Manufacturer: Linear Technology Corporation

TYPICAL PERFORMANCE CHARACTERISTICS
102
101
100
99
98
97
96
95
94
93
92
0
I
V
OUT
OUT
/I
= 5V, V
MON
25
11.00
10.75
10.50
10.25
10.00
9.75
9.50
9.25
9.00
103
102
101
100
98
97
96
95
94
93
9
Current Ratio
–75 –50 –25 0
0
Minimum Output Current
Threshold R
I
V
OUT
V
IN
50
OUT
OUT
I
OUT
= 12V
/I
= 5V
MON
= 5V, V
(mA)
25
75
V
V
V
IN
IN
IN
TEMPERATURE (°C)
Current Ratio
V
V
= 15V
= 12V
= 5.6V
IMIN
IN
IMON
IMON
25 50 75 100 125 150 175
50
V
V
V
V
V
V
I
OUT
IMON
IMON
IMON
IMON
IMON
IMON
100
= 12V
= 11.3k
= 5V
= 0V
(mA)
= 5V
= 4V
= 3V
= 2V
= 1V
= 0V
3050 G39
75
125
100
125°C
25°C
–55°C
3050 G38
3050 G42
102
101
100
99
98
97
96
95
94
93
92
125
0
I
V
OUT
OUT
/I
= 5, V
MON
25
Current Ratio
IN
50
I
= 5.6V
OUT
V
V
V
V
V
V
IMON
IMON
IMON
IMON
IMON
IMON
(mA)
= 5V
= 4V
= 3V
= 2V
= 1V
= 0V
75
100
1.100
1.075
1.050
1.025
1.000
0.975
0.950
0.925
0.900
T
3050 G40
J
–1
–2
–3
–4
–5
5
4
3
2
1
0
= 25°C, unless otherwise noted.
–75 –50 –25 0
125
0
I
V
Minimum Output Current
Threshold R
OUT
V
I
OUT
OUT
OUT
= I
Calculated From I
(SEE PAGE 12 FOR DETAILS)
= 5V
= 5V
25
MONR •
102
100
V
V
V
99
98
97
96
95
94
93
92
91
IN
IN
IN
TEMPERATURE (°C)
0
= 15V
= 12V
= 5.6V
I
V
V
R
IMIN
OUT
25 50 75 100 125 150 175
IMON
50
IMON
OUT
I
OUT
/I
= 110k
(mA)
MON
= 5V, V
•
25
V
V
V
V
V
V
IN
IN
IN
IN
IN
IN
70 + V
70 + V
75
=5.6V, R
=5.6V, R
=5.6V, R
=12V, R
=12V, R
=12V, R
Current Ratio
MON
IN
IN
IN
50
I
OUT
– V
– V
100
IMON
IMON
IMON
= 5.6V
IMON
IMON
IMON
OUT
OUT
(mA)
V
V
=1k
=2k
=3k
3050 G37
3050 G43
=1k
=2k
=3k
IMON
IMON
75
LT3050
125
= 5V
= 0V
100
125°C
25°C
–55°C
3050 G41
9
3050f
125