LM317L datasheet(4/15 Pages) ONSEMI

Part #	LM317L

Description	Voltage Regulator - Adjustable Output, Positive 100 mA

PDF	15 Pages

Scroll/Zoom	100%

Manufacturer	ONSEMI [ON Semiconductor]

Direct Link	http://www.onsemi.com

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4 / 15 page

LM317L, NCV317L

www.onsemi.com

*Pulse Testing Required:

1% Duty Cycle is suggested.

Line Regulation (%/V) =

VOH - VOL

x 100

VCC

VIH

VIL

Vin

Vout

VOH

VOL

240

Adjust

Cin

0.1

LM317L

IAdj

Figure 2. Line Regulation and DIAdj/Line Test Circuit

VOL

*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)

100

VO (min Load)

VO (max Load)

LM317L

Cin

0.1

Adjust

1.0

(max Load)

(min Load)

Vout

240

Vin*Vin

IAdj

Figure 3. Load Regulation and DIAdj/Load Test Circuit

VO (min Load)

Pulse Testing Required:

1% Duty Cycle is suggested.

LM317L

Vin

Vout

Adjust

240

Cin

To Calculate R2:

Vout = ISET R2 + 1.250 V

Assume ISET = 5.25 mA

IAdj

ISET

Vref

0.1

Figure 4. Standard Test Circuit

LM317L Datasheet(PDF) 4 Page - ON Semiconductor

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