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參數(shù)資料
| 型號(hào)： | 522970A |
| 英文描述： | Dual/Triple Ultra-Low-Voltage SOT23 µP Supervisory Circuits |
| 中文描述： | 集成電路 |
| 文件頁數(shù)： | 6/16頁 |
| 文件大小： | 278K |
| 代理商： | 522970A |
6
LT1083/LT1084/LT1085
TYPICAL PERFOR
M
A
CE CHARACTERISTICS
U
TIME (
μ
s)
0
O
D
L
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
3
2
1
0
50
1083/4/5 ADJ G24
100
C
ADJ
= 0
C
ADJ
= 1
μ
F
C
IN
= 1
μ
F
C
OUT
= 10
μ
F TANTALUM
V
OUT
=10V
V
=13V
PRELOAD=100mA
LT1085
Ripple Rejection
LT1085
Ripple Rejection vs Current
LT1085
Maximum Power Dissipation*
FREQUENCY (Hz)
R
100
90
80
70
60
50
40
30
20
10
0
10
1k
10k
100k
1083/4/5 ADJ G19
100
V
≤
0.5V
P-P
V
RIPPLE
≤
3V
P-P
(V
IN
– V
OUT
)
≥
3V
(V
IN
– V
OUT
)
≥
V
DROPOUT
C
ADJ
= 200
μ
F AT FREQUENCIES < 60Hz
C
ADJ
= 25
μ
F AT FREQUENCIES > 60Hz
I
OUT
= 3A
OUTPUT CURRENT (A)
0
R
100
90
80
70
60
50
40
30
20
10
0
1.0
1.5
2.5
3.0
1083/4/5 ADJ G20
0.5
2.0
V
OUT
= 5V
C
ADJ
= 25
μ
F
C
OUT
= 25
μ
F
f
R
= 120Hz
V
RIPPLE
≤
3V
P-P
f
R
= 20kHz
V
RIPPLE
≤
0.5V
P-P
CASE TEMPERATURE (°C)
50
P
50
40
30
20
10
0
60 70 80 90 100 110 120 130 140 150
LT1085MK
LT1085CT
LT1085CK
* AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE
LT1083
Load Transient Response
LT1084
Load Transient Response
LT1085
Load Transient Response
TIME (
μ
s)
0
O
D
L
0.6
0.4
0.2
0
–0.2
–0.4
8
6
4
2
0
50
1083/4/5 ADJ G22
100
C
ADJ
= 0
C
ADJ
= 1
μ
F
C
IN
= 1
μ
F
C
OUT
= 10
μ
F TANTALUM
V
OUT
=10V
V
=13V
PRELOAD=100mA
TIME (
μ
s)
0
O
D
L
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
6
4
2
0
50
1083/4/5 ADJ G23
100
C
ADJ
= 0
C
ADJ
= 1
μ
F
C
IN
= 1
μ
F
C
OUT
= 10
μ
F TANTALUM
V
OUT
=10V
V
IN
=13V
PRELOAD=100mA
LT1083
Line Transient Response
LT1084
Line Transient Response
LT1085
Line Transient Response
TIME (
μ
s)
0
O
D
I
D
60
40
20
0
–20
–40
–60
14
13
12
100
1083/4/5 ADJ G26
200
C
ADJ
= 0
C
ADJ
= 1
μ
F
V
OUT
= 10V
I
IN
= 0.2A
C
IN
= 1
μ
F TANTALUM
C
OUT
= 10
μ
F TANTALUM
TIME (
μ
s)
0
O
D
I
D
60
40
20
0
–20
–40
–60
14
13
12
100
1083/4/5 ADJ G27
200
C
ADJ
= 0
C
ADJ
= 1
μ
F
V
OUT
= 10V
I
IN
= 0.2A
C
IN
= 1
μ
F TANTALUM
C
OUT
= 10
μ
F TANTALUM
TIME (
μ
s)
0
O
D
I
D
150
100
50
0
–50
–100
–150
14
13
12
100
1083/4/5 ADJ G25
200
C
ADJ
= 0
C
ADJ
= 1
μ
F
V
OUT
= 10V
I
IN
C
IN
= 1
μ
F TANTALUM
C
OUT
= 10
μ
F TANTALUM
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