2012. 2. 21

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KIA7905P~KIA7924P

Revision No : 2

TEST CIRCUIT

Fig.1 Standard Test Circuit

Notes : (1) To specify an output voltage, substitute voltage value for "XX"

(2) Required for stability. For value given, capacitor must be solid tantalum. If alumininum electrolitics are used,

from power supply filter.

(3) To improve transient response. If large capacitors are used, a high current diode from input to output

(1N4001 or similar) should be introduced to protect the device from momentary iput short circuit.

KIA79XX

2

V

1

3

A

V

A

A

O

2

V

KIA79XX

V

3

1

C

V

A

O

I

FILTER

10Hz~100kHz

NOISE

METER

(2)

(3)

KIA79XX

2

1

3

1

C

0

C

OSCILLOSCOPE

30cm

e =1V

f=120Hz

i

p-p

(dB)

l

<

=

Fig.3 Ripple Rejection Test Circuit