LM317M_99 데이터 시트보기 (PDF) - ON Semiconductor
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LM317M_99 Datasheet PDF : 12 Pages
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Vin
VI
Cin 0.1µF
*Pulse Testing Required:
1% Duty Cycle is suggested.
LM317M
Figure 3. Standard Test Circuit
Vout
LM317M
IL
Adjust
IAdj
R1
240
1%
Vref
ISET
R2
1%
To Calculate R2:
Vout = ISET R2 + 1.250 V
Assume ISET = 5.25 mA
+
CO 1µF
RL
VO
24V
14V
f = 120 Hz
Figure 4. Ripple Rejection Test Circuit
Vin
Vout
LM317M
Vout = 10 V
Cin 0.1µF
Adjust
R1
240
1%
D1 *
1N4002
RL
+
CO 1.0µF
VO
R2
1.65K
1%
**
+
CAdj
10µF
* D1 Discharges CAdj if Output is Shorted to Ground.
**CAdj provides an AC ground to the adjust pin.
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