PL317E3 Datasheet, PDF (4/9 Pages) Cystech Electonics Corp. – Three Terminal Adjustable Output Positive Voltage Regulators

CYStech Electronics Corp.
Spec. No. : C513E3
Issued Date : 2003.04.09
Revised Date : . .
Page No. : 4/9
Vin
VI
Cin 0.1^μF
Vout
PL317
IL
Adjust
IAdj
R1
1%
Co ⁺ 1^μF
R2
1%
RL
(max load)
*
Vo(min load)
Vo(max load)
RL
(min load)
*Pulse testing required.
1% Duty Cycle is suggest
Load Regulation(mV)=Vo(min load)-Vo(max load)
Vo(min load)-Vo(max load)
Load Regulation(%Vo)=
×100
Vo(min load)
Fig 2. Load Regulation and ∆IAdj/Load test circuit
Vin
Vout
PL317
IL
Adjust
IAdj
R1
1%
Vref
Cin 0.1^μF
VI
ISET
R2
1%
+ _{1μF RL}
Co
Vo
＊ Pulse testing required.
1% Duty Cycle is suggested.
To calculate R2: Vout=ISETR2+1.250V
Assume ISET=5.25mA
Fig 3. Standard Test Circuit
PL317E3
CYStek Product Specification