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參數資料
| 型號： | LM350 |
| 廠商： | 意法半導體 |
| 英文描述： | ADJUSTABLE VOLTAGE REGULATORS THREE-TERMINAL 3 A |
| 中文描述： | 電壓調節(jié)器可調三端3甲 |
| 文件頁數： | 4/12頁 |
| 文件大?。?/td> | 172K |
| 代理商： | LM350 |
LM350
4
MOTOROLA ANALOG IC DEVICE DATA
* Pulse Testing Required:
1% Duty Cycle is suggested.
Load Regulation (mV) = VO (min Load) –VO (max Load)
Load Regulation (% VO) =
VO (min Load) – VO (max Load)
VO (min Load)
X 100
VO (min Load)
VO (max Load)
LM350
Cin
0.1
μ
F
Adjust
R2
1%
CO
1.0
μ
F
+
*
RL
(max Load)
RL
(min Load)
Vout
R1
240
1%
Vin
Vin
IAdj
IL
Figure 2. Load Regulation and
IAdj
/
Load Test Circuit
Pulse Testing Required:
1% Duty Cycle is suggested.
LM350
Vin
Vout
Adjust
R1
240
1%
+
1.0
μ
F
CO
RL
Cin
R2
1%
To Calculate R2:
Vout = ISET R2 + 1.250 V
Assume ISET = 5.25 mA
IL
IAdj
ISET
Vref
VO
VI
0.1
μ
F
Figure 3. Standard Test Circuit
LM350
Vin
Vout
Vout = 10 V
RL
Cin
0.1
μ
F
Adjust
R1
240
1%
D1 *
1N4002
CO
+
1.0
μ
F
24V
14V
R2
1.65K
1%
CAdj
10
μ
F
+
* D1 Discharges CAdj if Output is Shorted to Ground.
**CAdj provides an AC ground to the adjust pin.
f = 120 Hz
VO
IL
**
Figure 4. Ripple Rejection Test Circuit
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