LM317_06 datasheet(4/12 Pages) ONSEMI | 1.5 A Adjustable Output, Positive Voltage Regulator

Nombre de pieza

Descripción

LM317_06

1.5 A Adjustable Output, Positive Voltage Regulator ( 12 Page)

ONSEMI

4 page

LM317, NCV317

http://onsemi.com

Figure 4. Load Regulation and

DIAdj/Load Test Circuit

Figure 5. Standard Test Circuit

Figure 6. Ripple Rejection Test Circuit

LM317

VO (min Load) − VO (max Load)

*Pulse testing required.

* 1% Duty Cycle is suggested.

Load Regulation (mV) = VO (min Load) − VO (max Load)

Load Regulation (% VO) =

x 100

VO (min Load)

VO (max Load)

Cin

0.1

Adjust

1.0

(max Load)

(min Load)

Vout

240

Vin

IAdj

* Pulse testing required.

* 1% Duty Cycle is suggested.

Vin

Vout

Adjust

240

1.0

Cin

To Calculate R2: Vout = ISET R2 + 1.250 V

To Calculate R2: Assume ISET = 5.25 mA

IAdj

ISET

Vref

0.1

Vin

Vout

Vout = 10 V

Cin

0.1

Adjust

240

D1*

1N4002

1.0

24 V

14 V

1.65 k

CAdj

*D1 Discharges CAdj if output is shorted to Ground.

f = 120 Hz

LM317

VO (min Load)

1 2 3 4 5 6 7 8 9 10 11 12

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