Datasheet

5
LT1086 Series
sn1086 1086ffs
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
LT1086 Maximum Power
Dissipation*
TEMPERATURE (°C)
–50
OUTPUT VOLTAGE CHANGE (%)
0
1
150
LT1086 • TPC04
–1
–2
0
50
100
2
–25
25
75
125
Temperature Stability
TEMPERATURE (°C)
–50
0
ADJUST PIN CURRENT (µA)
10
30
40
50
100
70
0
50
75
LT1086 • TPC05
20
80
90
60
–25 25
100
125
150
Adjust Pin Current
LT1086 Ripple Rejection
vs CurrentLT1086 Ripple Rejection LT1086-5 Ripple Rejection
OUTPUT CURRENT (A)
0
0
RIPPLE REJECTION (dB)
20
30
40
50
60
70
0.25
0.5
0.75 1.0
LT1086 • TPC08
1.25
80
90
100
10
1.5
f
R
= 120Hz
V
RIPPLE
≤ 3V
P-P
f
R
= 20kHz
V
RIPPLE
≤ 0.5V
P-P
V
OUT
= 5V
C
ADJ
= 25µF
C
OUT
= 25µF
LT1086 Short-Circuit Current
INPUT/OUTPUT DIFFERENTIAL (V)
0
0
SHORT-CIRCUIT CURRENT (A)
0.5
1.0
1.5
2.0
2.5
5
10 15 20
LT1086 • TPC01
25 30
T
J
= 150°C
T
J
= 25°C
T
J
= –55°C
GUARANTEED
OUTPUT CURRENT
CASE TEMPERATURE (°C)
*AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE
50
POWER (W)
15
20
130
LT1086 • TPC06
10
5
0
70
90
110
150
120
60
80
100
140
LT1086MK
LT1086CK
LT1086CT
FREQUENCY (Hz)
20
RIPPLE REJECTION (dB)
40
50
60
80
100
10
30
70
90
10 1k 10k 100k
LT1086 • TPC07
0
100
V
RIPPLE
≤ 3V
P-P
(V
IN
– V
OUT
) ≥ 3V
(V
IN
– V
OUT
) ≥ V
DROPOUT
V
RIPPLE
≤ 0.5V
P-P
C
ADJ
= 200µF AT FREQUENCIES < 60Hz
C
ADJ
= 25µF AT FREQUENCIES > 60Hz
I
OUT
= 1.5A
FREQUENCY (Hz)
20
RIPPLE REJECTION (dB)
40
50
70
80
10 1k 10k 100k
LT1086 • TPC09
0
100
60
30
10
V
RIPPLE
≤ 3V
P-P
(V
IN
– V
OUT
) ≥ 3V
(V
IN
– V
OUT
) ≥ V
DROPOUT
V
RIPPLE
≤ 0.5V
P-P
I
OUT
= 1.5A
TEMPERATURE (°C)
–50
–0.20
OUTPUT VOLTAGE DEVIATION (%)
–0.15
–0.10
–0.05
0
050
100
150
LT1086 • TPC02
0.05
0.10
–25 25
75
125
∆I = 1.5A
INPUT/OUTPUT DIFFERENTIAL (V)
0
0
MINIMUM OPERATING CURRENT (mA)
1
3
4
5
10
7
10
20
25
LT1086 • TPC03
2
8
9
6
5
15
30
35
T
J
= 150°C
T
J
= 25°C
T
J
= –55°C
Minimum Operating Current
(Adjustable Device)LT1086 Load Regulation