XC2301

Series

121

1

■Switching Waveforms

(1) Switching Time

tf

tr

TW

T

DUTY=（TW/T）×100[%]

DUTY Measurement Level

(2) Duty Cycle

*) The feedback resistor (fixed) Rf must be connected.

*) When the duty needs to be adjusted because of power

supply and/or input amplitude, duty resistor (fixed) Rb

should be connected.

<Reference Peripheral Values : Rf, Rb, Cin >

Rf = 51 [k

Ω]

Rb = 360 [k

Ω]

■Supply Current, Duty Measurement Circuit

INH

XT

XT

Rf

Rb

01S_18XC2301 02.09.12 11:41 ページ 121