LM317M_04 Просмотр технического описания (PDF) - ON Semiconductor

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производитель

LM317M_04

500 mA Adjustable Output, Positive Voltage Regulator

ON Semiconductor 

Vin

VI

Cin 0.1mF

*Pulse Testing Required:

1% Duty Cycle is suggested.

LM317M

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

Figure 5. Standard Test Circuit

+

CO 1mF

RL

VO

24V

14V

f = 120 Hz

Vin

Vout

LM317M

Vout = 10 V

Cin 0.1mF

Adjust

R1

240

1%

D1 *

1N4002

RL

+

CO 1.0mF

VO

R2

1.65K

1%

**

+

CAdj

10mF

* D1 Discharges CAdj if Output is Shorted to Ground.

**CAdj provides an AC ground to the adjust pin.

Figure 6. Ripple Rejection Test Circuit

http://onsemi.com

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