March 2001 TOKO, Inc.

Page 7

TK715xxAS

TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)

T

Output Noise

Load & Line Response

CL

1.0 µF

2.2 µF

4.7 µF

10 µF

VOUT

VIN

0.1 µF

GND

(TANTALUM)

715xxA

OUTPUT NOISE CIRCUIT

Note: To improve the load and line transient response, increase the value of the output capacitor.

100

250

OUTPUT CURRENT

IOUT (mA)

50

1.0

5.0

10

200

150

0

BW = 400 Hz~80 KHz

CL = 10 µF

CL = 4.7 µF

CL = 2.2 µF

CL = 1 µF

LINE VOLTAGE STEP RESPONSE

I

OUT

= 10mA

VIN

VOUT

VOUT + 2V

VOUT + 1V

50 mV/DIV

CL = 1.0 µF

25

µS/DIV

LOAD CURRENT

STEP RESPONSE

IOUT

VOUT

50 mA

50 mV/DIV

5 mA

CL = 1.0 µF

25

µS/DIV