Datasheet

6
LT1086 Series
sn1086 1086ffs
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
LT1086H Short-Circuit Current
LT1086 Line Transient Response
TIME (µs)
0
OUTPUT VOLTAGE
DEVIATION (V)
LOAD CURRENT (A)
–0.1
0.1
0.3
LT1086 • TPC14
–0.3
1.0
–0.2
0
0.2
1.5
0.5
0
50
100
C
ADJ
= 0
C
ADJ
= 1µF
C
IN
= 1µF TANTALUM
C
OUT
= 10µF TANTALUM
V
OUT
= 10V
V
IN
= 13V
PRELOAD = 100mA
LT1086 Load Transient Response
LT1086H Load Regulation
LT1086H Dropout Voltage
LT1086H Ripple Rejection
vs Current
OUTPUT CURRENT (A)
0
MINIMUM INPUT/OUTPUT DIFFERENTIAL (V)
2
0.4
LT1086 • TPC16
1
0
0.1
0.2
0.3
0.5
–55°C ≤ T
J
≤ 150°C
0°C ≤ T
J
≤ 125°C
T
J
= –55°C
T
J
= 25°C
T
J
= 150°C
INDICATES GUARANTEED TEST POINT
TEMPERATURE (°C)
–50
–0.20
OUTPUT VOLTAGE DEVIATION (%)
–0.15
–0.10
–0.05
0
050
100
150
LT1086 • TPC17
0.05
0.10
–25 25
75
125
∆I = 0.5A
OUTPUT CURRENT (A)
0
0
RIPPLE REJECTION (dB)
20
30
40
50
60
70
0.1
0.2
0.3 0.4
LT1086 • TPC18
80
90
100
10
0.5
f
R
= 20kHz
V
RIPPLE
≤ 0.5V
P-P
V
OUT
= 5V
C
ADJ
= 25µF
C
OUT
= 25µF
f
R
= 120Hz
V
RIPPLE
≤ 3V
P-P
LT1086-5 Ripple Rejection
vs Current
OUTPUT CURRENT (A)
0
0
RIPPLE REJECTION (dB)
20
30
40
50
60
70
0.25
0.5
0.75 1.0
LT1086 • TPC10
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
LT1086-12 Ripple Rejection
LT1086-12 Ripple Rejection
vs Current
OUTPUT CURRENT (A)
0
0
RIPPLE REJECTION (dB)
20
30
40
50
60
70
0.25
0.5
0.75 1.0
LT1086 • TPC12
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
INPUT/OUTPUT DIFFERENTIAL (V)
0
0
SHORT-CIRCUIT CURRENT (A)
0.2
0.4
0.6
0.8
1.0
1.2
5101520
LT1086 • TPC15
25
GUARANTEED
OUTPUT CURRENT
FREQUENCY (Hz)
20
RIPPLE REJECTION (dB)
40
50
70
80
10 1k 10k 100k
LT1086 • TPC11
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
TIME (µs)
0
OUTPUT VOLTAGE
DEVIATION (mV)
INPUT VOLTAGE
DEVIATION (V)
–20
20
60
LT1086 • TPC13
–60
13
–40
0
40
14
12
11
100
200
C
ADJ
= 1µF
C
ADJ
= 0
V
OUT
= 10V
I
OUT
= 0.2A
C
IN
= 1µF TANTALUM
C
OUT
= 10µF TANTALUM