HA1835P/HA1848P

11

0

20

40

60

80

100

5 k

2 k

1 k

500

200

100

50

30

Figure 7 Clock Pulse Frequency vs. Clock Pulse Duty Cycle

Figure 8 Clock Pulse Frequency vs. Resistor

Duty =

B

A + B

AB

Ta = 25

°C

Resistor Rf (

Ω)

20 k

10 k

5 k

2 k

1 k

500

200

100

50

20

100 k

200 k

500 k

Ta = 25

°C

Duty = 50%

System run-away

sense region

System run-away

sense region

Clock pulse duty cycle (%)

Allowable operation

clock pulse duty

cycle

Normal operation region