参数资料
型号: LM350T
厂商: ON Semiconductor
文件页数: 4/10页
文件大小: 0K
描述: IC REG LDO ADJ 3A TO220AB
产品变化通告: Product Discontinuation 27/Jun/2007
标准包装: 50
稳压器拓扑结构: 正,可调式
输出电压: 1.2 V ~ 33 V
稳压器数量: 1
电流 - 输出: 3A
工作温度: 0°C ~ 125°C
安装类型: 通孔
封装/外壳: TO-220-3
供应商设备封装: TO-220AB
包装: 管件
其它名称: LM350TOS
LM350
Load Regulation (% V O ) =
V O (min Load) ? V O (max Load)
V O (min Load)
X 100
Load Regulation (mV) = V O (min Load) ?V O (max Load)
V O (min Load)
V in
V in
LM350
V out
I L
V O (max Load)
R L
C in
0.1 m F
I Adj
Adjust
R 1
240
1%
C O
+
1.0 m F
*
(max Load)
R L
(min Load)
R 2
1%
* Pulse Testing Required:
1% Duty Cycle is suggested.
Figure 4. Load Regulation and D I Adj / Load Test Circuit
V in
LM350
V out
I L
V I
C in
0.1 m F
I Adj
Adjust
R 1
240
1%
V ref
C O
+
1.0 m F
R L
V O
I SET
R 2
1%
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
LM350
V out
I L
V out = 10 V
C in
0.1 m F
Adjust
R 1
240
1%
D 1 *
1N4002
C O
+
1.0 m F
R L
V O
R 2
1.65K
1%
**
C Adj
+
10 m F
* 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
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