LT1083/LT1084/LT1085 Fixed
TYPICAL PERFOR A CE CHARACTERISTICS
LT1083/4/5-5 Ripple Rejection
80
70
RIPPLE REJECTION (dB)
60
50
40
30
20
10
I
OUT
= I
FULLLOAD
0
10
100
1k
10k
FREQUENCY (Hz)
100k
V
RIPPLE
≤
3V
P-P
V
RIPPLE
≤
0.5V
P-P
RIPPLE REJECTION (dB)
(V
IN
– V
OUT
)
≥
3V
(V
IN
– V
OUT
)
≥
V
DROPOUT
80
70
60
50
40
30
20
10
0
0
f
R
= 20kHz
V
RIPPLE
≤
0.5V
P-P
f
R
= 120Hz
V
RIPPLE
≤
3V
P-P
OUTPUT VOLTAGE CHANGE (%)
LT1083/4/5-12 Ripple Rejection
80
70
V
RIPPLE
≤
3V
P-P
V
RIPPLE
≤
0.5V
P-P
RIPPLE REJECTION (dB)
RIPPLE REJECTION (dB)
60
50
40
30
20
10
0
10
I
OUT
= I
FULLLOAD
100
1k
10k
FREQUENCY (Hz)
100k
(V
IN
– V
OUT
)
≥
3V
60
50
40
30
20
10
0
0
0.8
0.2
0.6
0.4
OUTPUT CURRENT (0 TO I
FULLLOAD
)
1.0
f
R
= 20kHz
V
RIPPLE
≤
0.5V
P-P
POWER (W)
(V
IN
– V
OUT
)
≥
V
DROPOUT
LT1084 Maximum Power
Dissipation*
60
50
LT1084MK
40
50
POWER (W)
POWER (W)
30
LT1084CT
20
10
0
LT1084CK
LT1084CP
50 60 70 80 90 100 110 120 130 140 150
CASE TEMPERATURE (°C)
* AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE
LT1083/4/5 FIXED G16
6
U W
1083/4/5 FIXED G10
1083/4/5 FIXED G13
LT1083/4/5-5 Ripple Rejection
vs Current
100
90
1.0
2.0
Temperature Stability
0
–1.0
0.8
0.2
0.6
0.4
OUTPUT CURRENT (0 TO I
FULLLOAD
)
1.0
–2.0
–50 –25
0
25 50 75 100 125 150
TEMPERATURE (°C)
LT1183/4/5 FIXED G12
1083/4/5 FIXED G11
LT1083/4/5-12 Ripple Rejection
vs Current
100
90
80
70
f
R
= 120Hz
V
RIPPLE
≤
3V
P-P
100
90
80
70
60
50
40
30
20
10
0
LT1083 Maximum Power
Dissipation*
LT1083MK
LT1083CP
LT1083CK
1083/4/5 FIXED G14
50 60 70 80 90 100 110 120 130 140 150
CASE TEMPERATURE (°C)
* AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE
LT1083/4/5 FIXED G15
LT1085 Maximum Power
Dissipation*
40
LT1085MK
30
20
LT1085CT
10
LT1085CK
0
50 60 70 80 90 100 110 120 130 140 150
CASE TEMPERATURE (°C)
* AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE
LT1083/4/5 FIXED G17
1083ffd
LINEAR [ LINEAR INTEGRATED SYSTEMS ]
