Datasheet

31
35
38
37
32
34
t
S(LF)
– Minimum Switching Period – ms
-40 -25 -10 125
T
A
– Ambient Temperature – °C
5 20 35 50 65 80 95 110
33
36
0
0.5
0.0
50 100 200 250 300
2.0
1.5
3.5
3.0
I
DRV(pk)
– Peak DRV Current – A
I
FB
- Feedback Current - mA
Ambient
Temperature
(°C)
25
125
–40
150
1.0
2.5
T
A
= 125°C
T
A
= 25°C
T
A
= –40°C
7.0
7.6
8.0
7.8
7.2
7.4
t
S,HF
– Minimum Switching Period – ms
-40 -25 -10 125
T
A
– Ambient Temperature – °C
5 20 35 50 65 80 95 110
8
20
0
50 100 200 250 300
60
100
160
120
f
S
– Switching Frequency – kHz
I
FB
– Feedback Control Current – mA
150
40
140
80
UCC28610
www.ti.com SLUS888F –JANUARY 2009–REVISED SEPTEMBER 2012
TYPICAL CHARACTERISTICS (continued)
Unless otherwise stated: VDD = 12V, VGG = 12V, ZCD = 1 V, I
FB
= 10 µA, GND = 0 V, a 0.1-μF capacitor between VDD and
GND, a 0.1-μF capacitor between VGG and GND, R
CL
= 33.2 kΩ, R
MOT
= 380 kΩ, –40°C < T
A
< +125°C, T
J
= T
A
OSCILLATOR FREQUENCY MINIMUM SWITCHING PERIOD
vs vs
FEEDBACK CURRENT TEMPERATURE
Figure 7. Figure 8.
SWITCHING PERIOD DURING AMPLITUDE MODULALTION PEAK DRV CURRENT
vs vs
AMBIENT TEMPERATURE FEEDBACK CURRENT
Figure 9. Figure 10.
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