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LM317MDTRKG 参数 Datasheet PDF下载

LM317MDTRKG图片预览
型号: LM317MDTRKG
PDF下载: 下载PDF文件 查看货源
内容描述: 三端可调输出正电压稳压器 [Three-Terminal Adjustable Output Positive Voltage Regulator]
分类和应用: 线性稳压器IC调节器电源电路输出元件
文件页数/大小: 16 页 / 156 K
品牌: ONSEMI [ ON SEMICONDUCTOR ]
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LM317M
V
in
V
out
LM317M
I
L
Adjust
V
I
C
in
0.1mF
I
SET
R
2
1%
R
1
I
Adj
240
1%
V
ref
+
C
O
1mF
R
L
V
O
*Pulse Testing Required:
1% Duty Cycle is suggested.
To Calculate R
2
:
V
out
= I
SET
R
2
+ 1.250 V
Assume I
SET
= 5.25 mA
Figure 5. Standard Test Circuit
24V
14V
f = 120 Hz
V
in
V
out
LM317M
V
out
= 10 V
Adjust
C
in
0.1mF
R
1
240
1%
D
1
*
1N4002
+
C
O
1.0mF
R
L
V
O
R
2
1.65K
1%
**
C
Adj
+
10mF
* D
1
Discharges C
Adj
if Output is Shorted to Ground.
**C
Adj
provides an AC ground to the adjust pin.
Figure 6. Ripple Rejection Test Circuit
http://onsemi.com
7