ꢀ
ꢀ
ꢀ
ꢁ
ꢁ
ꢁ
ꢂ
ꢇ
ꢊ
ꢃ
ꢃ
ꢃ
ꢄ
ꢄ
ꢄ
ꢅ
ꢅ
ꢅ
ꢆ
ꢆ
ꢆ
ꢀꢁꢇ ꢃ ꢄ ꢅ ꢈꢉ
ꢀꢁꢊ ꢃ ꢄ ꢅ ꢈꢉ
SLUS329B − JUNE 1998 − REVISED FEBRUARY 2005
TYPICAL CHARACTERISTICS
GATE DRIVE TIMING
vs
LOAD CAPACITANCE
GATE DRIVE MAXIMUM DUTY CYCLE
vs
OSCILLATOR CHARGING RESISTANCE
800
700
600
500
400
300
200
100
0
100
95
Fall Time
90
85
80
Rise Time
75
70
0
0.01
C
0.02
0.03
0.04
0.05
1000
10 k
100 k
− Load Capacitance − µF
R
− Oscillator Charging Resistance − Ω
LOAD
SET
Figure 1
Figure 2
MULTIPLIER GAIN CONSTANT
MULTIPLIER GAIN CONSTANT
vs
vs
SUPPLY CURRENT
SUPPLY CURRENT
1.20
1.20
VA Out = 3.5 V
VA Out = 5 V
1.16
1.12
1.08
1.16
1.12
1.08
V
RMS
= 1.5 V
V
RMS
= 1.5 V
V
RMS
= 5 V
1.04
1.00
1.04
1.00
0.96
0.92
0.88
0.96
0.92
0.88
V
RMS
= 5 V
V
RMS
= 3 V
V
RMS
= 1.5 V
0.84
0.80
0.84
0.80
0
50
100
150
200
250
0
50
I
100
150
200
250
− Supply Current − µA
I
− Supply Current − µA
AC
AC
Figure 3
Figure 4
9
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