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
-60 80 140
T
J
- Temperature -
0
C
-1.0
1.0
40
-0.5
0
Normalized Change in Switching Frequency - %
SWITCHING FREQUENCY (normalized change)
vs
TEMPERATURE
0.8
-20
-0.8
-0.3
0.3
0.5
Typical Frequency= 30 kHz
RT = 249 k?
Typical Frequency= 100 kHz
RT = 75 k?
Typical Frequency= 290 kHz
RT = 24.9 k?
12010060200-40
-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
UCC28070
SLUS794E – NOVEMBER 2007–REVISED APRIL 2011 www.ti.com
TYPICAL CHARACTERISTICS (continued)
Figure 5. Figure 6.
Figure 7. Figure 8.
12 Copyright © 2007–2011, Texas Instruments Incorporated