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參數(shù)資料
| 型號： | LT338AK |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 5A Positive Adjustable Voltage Regulator |
| 中文描述： | 1.2 V-32 V ADJUSTABLE POSITIVE REGULATOR, MBFM2 |
| 封裝： | METAL CAN, TO-3, 3 PIN |
| 文件頁數(shù)： | 4/12頁 |
| 文件大?。?/td> | 185K |
| 代理商： | LT338AK |
4
LT138A/LT338A
LM138/LM338
TYPICAL PERFOR U
TEMPERATURE (
°
C)
–75
–0.4
O
–0.3
–0.1
0
0.1
–25
25
50
150
138/338 G01
–0.2
–50
0
75 100 125
0.2
I
OUT
= 5A
I
OUT
= 3A
V
IN
= 15V
V
= 10V
PRELOAD = 50mA
Load Regulation
TEMPERATURE (
°
C)
–50
1.230
R
1.240
1.250
1.260
1.270
–25
0
25
50
138A/338A G04
75
100 125 150
Temperature Stability
INPUT-OUTPUT DIFFERENTIAL (V)
0
Q
3
4
5
15
25
40
138A/338A G06
2
1
0
5
10
20
30
35
T
J
= 25
°
C
T
J
= 150
°
C
T
J
= –55
°
C
TEMPERATURE (
°
C)
–75
A
μ
A
35
40
45
75
65
138A/338A G03
30
–25
25
125
50
55
60
Adjustment Current
TEMPERATURE (
°
C)
–75
1
I
3
–25
25
50
150
138/338 G02
2
–50
0
75 100 125
4
I
OUT
= 5A
I
OUT
= 3A
I
OUT
= 1A
V
OUT
= 100mV
Dropout Voltage
FREQUENCY (Hz)
10
O
)
0.1
1
10
100k
138/338 G05
0.01
0.001
0.0001
100
1k
10k
1M
V
IN
= 15V
V
OUT
= 10V
I
OUT
= 500mA
C
ADJ
= C
OUT
= 10
μ
F
C
ADJ
= C
OUT
= 0
μ
F
Output Impedance
Minimum Operating Current
Ripple Rejection
Ripple Rejection
Ripple Rejection
OUTPUT VOLTAGE (V)
0
5
0
R
40
100
10
20
25
138A/338A G07
20
80
60
15
30
35
C
ADJ
= 10
μ
F
C
ADJ
= 0
μ
F
V
IN
– V
= 5V
I
= 500mA
f = 120Hz
T
J
= 25
°
C
FREQUENCY (Hz)
10
R
60
80
100
100k
138A/338A G08
40
20
0
100
1k
10k
1M
C
ADJ
= 10
μ
F
C
ADJ
= 0
μ
F
V
IN
= 15V
V
OUT
= 10V
I
OUT
= 0.2A
OUTPUT CURRENT (A)
0.1
40
R
50
60
80
1
10
138/338 G09
70
C
ADJ
= 10
μ
F
C
ADJ
= 0
μ
F
V
IN
= 15V
V
= 10V
f = 120Hz
T
CASE
= 25
°
C
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