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參數(shù)資料
| 型號(hào)： | LM217K |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 1.2V TO 37V VOLTAGE REGULATOR |
| 中文描述： | 為1.2V到37V電壓調(diào)節(jié)器 |
| 文件頁數(shù)： | 3/10頁 |
| 文件大小： | 84K |
| 代理商： | LM217K |
(*) CADJ is connected between pin 1 and ground.
Note:
(1) Unless otherwise specified the above specs, apply over the following conditions : LM 117 T
j
= – 55 to 150
°
C;
LM 217 T
j
= – 25 to 150
°
C ; LM 317 T
j
= 0 to 125
°
C.
(2) I
MAX
: 1.5 A for TO-3 and TO-220; 0.5 A for TO-39
P
MAX
: 20 W for TO-3 and TO-220; 2 W for TO-39
Basic adjustable regulator.
ELECTRICAL CHARACTERISTICS
(V
i
- V
o
= 5 V, I
o
= 500 mA for TO-3 and TO-220,
I
o
= 100 mA for TO-39, I
MAX
and P
MAX
according note 2, unless otherwise specified)
Symbol
Parameter
Test Conditions
LM117/LM217
Min.
Typ.
0.01
0.02
LM317
Typ.
0.01
0.02
5
20
0.1
0.3
50
Unit
Max.
0.02
0.05
15
50
0.3
1
100
Min.
Max.
0.04
0.07
25
70
0.5
1.5
100
V
o
Line Regulation
V
i
- V
o
= 3 to 40 V
T
j
= 25
o
C
%/V
%/V
mV
mV
%
%
μ
A
V
o
Load Regulation
V
o
≤
5V
I
o
= 10 mA to I
MAX
T
j
= 25
o
C
5
20
0.1
0.3
50
V
o
≥
5V
I
o
= 10 mA to I
MAX
T
j
= 25
o
C
I
ADJ
Adjustment Pin
Current
Adjustment Pin
Current
Reference Voltage
(between pin 3 and
pin 1)
Output Voltage
Temperature Stability
I
ADJ
V
i
- V
o
= 2.5 to 40 V
I
o
= 10 mA to I
MAX
V
i
- V
o
= 2.5 to 40 V
I
o
= 10 mA to I
MAX
P
D
≤
P
MAX
0.2
5
0.2
5
μ
A
V
REF
1.2
1.25
1.3
1.2
1.25
1.3
V
V
o
V
o
1
1
%
I
o(min)
Minimum Load
Current
Maximum Load
Current
V
i
- V
o
= 40 V
3.5
5
3.5
10
mA
I
o(max)
V
i
- V
o
≤
15 V
P
D
< P
MAX
TO-3
TO-220
TO-39
TO-3
TO-220
TO-39
1.5
2.2
1.5
2.2
A
0.5
0.8
0.4
0.5
0.8
0.4
A
A
V
i
- V
o
= 40 V
P
D
< P
o
T
j
= 25
C
0.07
0.003
0.07
0.003
A
%
e
N
Output Noise Voltage
(percentance of V
O
)
Supply Voltage
Rejection (*)
B = 10Hz to 10KHz
T
j
= 25
o
C
T
j
= 25
o
C
f = 120 Hz
SVR
C
ADJ
=0
C
ADJ
=10
μ
F
65
80
65
80
dB
dB
66
66
LM117/LM217/LM317
3/10
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