Datasheet

0 1 5 6
VAO -Voltage AmplifierOutput-V
0
40
180
3
60
120
140
IMO - Multiplier Output Current - mA
MULTIPLIEROUTPUTCURRENT
vs
VOLTAGE AMPLIFIEROUTPUT
20
80
100
160
Level1
Level2
Level3
Level4
Level5
Level6
Level7
Level8
42
QVFFLevel
-60 -20 100 140
T
J
- Temperature -
0
C
14
15
20
40
16
17
18
Multiplier Constant - mA
MULTIPIER CONSTANT
vs
TEMPERATURE
19
1208060200-40
VAO = 1.5 V
VAO = 5.0 VVAO = 3.0 V
VAO = 1.2 V
−1.0
−0.8
−0.6
−0.4
−0.2
0.0
0.2
0.4
0.6
0.8
1.0
−60 −40 −20 0 20 40 60 80 100 120 140
Temperature (°C)
Normalized Change in Switching Frequency (%)
Typ. f
PWM
= 290 kHz, RT = 24.9 kΩ
Typ. f
PWM
= 100 kHz, RT = 75 kΩ
Typ. f
PWM
= 10.25 kHz, RT = 750 kΩ
G000
-60 90 140
T
J
-Temperature-
0
C
0.00
0.10
0.50
40
0.15
0.25
0.35
I
VINAC
- Bias Current - mA
I
VINAC
BIASCURRENT
vs
TEMPERATURE
0.45
-10
VINAC=0.2V
VINAC=2.85V
VINAC=2.5V
VINAC=1.0V
VINAC=2.0V
0.05
0.20
0.30
0.40
UCC28070A
SLUSAW0 –MARCH 2012 www.ti.com
TYPICAL CHARACTERISTICS (continued)
Figure 5. Figure 6.
SWITCHING FREQUENCY
vs
TEMPERATURE
Figure 7. Figure 8.
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