RN5RT

8

OPERATION

2

5

3

1

Vref

GND

+

CE

–

Current Limit

R1

R2

is compared with a reference voltage by the error amplifier, so that a constant voltage is output.

A current limit circuit working for short protection and a chip enable circuit for standby function are included.

TEST CIRCUITS

1

CE

3

C2

C1

5

2

GND

C1, C2=1µF

1

CE

3

C1

5

2

GND

C1=1µF

→

A

Fig.1 Standard Test Circuit

Fig.2 Supply Current Test Circuit

1

CE

3

C1

5

2

GND

C1=1

µF

P.G.

Fig.3 Line Transient Response Test Circuit