LT1086 Series
TYPICAL PERFORMANCE CHARACTERISTICS
LT1086-5 Ripple Rejection
vs Current
100
90
80
RIPPLE REJECTION (dB)
70
60
50
40
30
20
10
0
0
0.25
0.75
1.0
1.25
0.5
OUTPUT CURRENT (A)
1.5
V
OUT
= 5V
C
ADJ
= 25µF
C
OUT
= 25µF
f
R
= 20kHz
V
RIPPLE
≤
0.5V
P-P
RIPPLE REJECTION (dB)
f
R
= 120Hz
V
RIPPLE
≤
3V
P-P
(V
IN
– V
OUT
)
≥
3V
RIPPLE REJECTION (dB)
LT1086 Line Transient Response
60
0.3
OUTPUT VOLTAGE
DEVIATION (V)
OUTPUT VOLTAGE
DEVIATION (mV)
40
20
0
–20
–40
–60
V
OUT
= 10V
I
OUT
= 0.2A
C
IN
= 1µF TANTALUM
C
OUT
= 10µF TANTALUM
C
ADJ
= 0
C
ADJ
= 1µF
0.1
0
–0.1
–0.2
–0.3
C
ADJ
= 1µF
SHORT-CIRCUIT CURRENT (A)
LOAD CURRENT (A)
INPUT VOLTAGE
DEVIATION (V)
14
13
12
11
0
100
TIME (µs)
LT1086H Dropout Voltage
MINIMUM INPUT/OUTPUT DIFFERENTIAL (V)
2
INDICATES GUARANTEED TEST POINT
OUTPUT VOLTAGE DEVIATION (%)
RIPPLE REJECTION (dB)
– 55°C
≤
T
J
≤
150°C
0°C
≤
T
J
≤
125°C
1
T
J
= – 55°C
T
J
= 25°C
T
J
= 150°C
0
0
0.1
0.3
0.4
0.2
OUTPUT CURRENT (A)
6
U W
LT1086-12 Ripple Rejection
80
70
60
50
40
30
20
10
0
10
I
OUT
= 1.5A
100
1k
10k
FREQUENCY (Hz)
100k
LT1086 • TPC11
LT1086-12 Ripple Rejection
vs Current
100
90
80
70
60
50
40
30
20
10
0
0
0.25
0.75
1.0
1.25
0.5
OUTPUT CURRENT (A)
1.5
V
OUT
= 5V
C
ADJ
= 25µF
C
OUT
= 25µF
f
R
= 20kHz
V
RIPPLE
≤
0.5V
P-P
f
R
= 120Hz
V
RIPPLE
≤
3V
P-P
V
RIPPLE
≤
3V
P-P
V
RIPPLE
≤
0.5V
P-P
(V
IN
– V
OUT
)
≥
V
DROPOUT
LT1086 • TPC10
LT1086 • TPC12
LT1086 Load Transient Response
1.2
C
ADJ
= 0
0.2
LT1086H Short-Circuit Current
1.0
0.8
0.6
0.4
0.2
0
GUARANTEED
OUTPUT CURRENT
0
5
10
15
20
INPUT/OUTPUT DIFFERENTIAL (V)
25
C
IN
= 1µF TANTALUM
C
OUT
= 10µF TANTALUM
V
OUT
= 10V
V
IN
= 13V
PRELOAD = 100mA
1.5
1.0
0.5
0
0
200
LT1086 • TPC13
50
TIME (µs)
100
LT1086 • TPC14
LT1086 • TPC15
LT1086H Load Regulation
0.10
∆I
= 0.5A
0.05
0
–0.05
–0.10
–0.15
–0.20
–50 –25
100
90
80
70
60
50
40
30
20
10
0.5
LT1086H Ripple Rejection
vs Current
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
0
0.1
0.3
0.4
0.2
OUTPUT CURRENT (A)
0.5
0
25 50 75 100 125 150
TEMPERATURE (°C)
LT1086 • TPC17
0
LT1086 • TPC16
LT1086 • TPC18
sn1086 1086ffs
LINER [ LINEAR TECHNOLOGY ]
