Datasheet

0.01 100
f - Frequency - kHz
-100
-40
0
100
Gain - bB
POWER LOSS
vs
LOAD CURRENT
60
-80
0.1 101.0
80
Phase - Degrees
-225
-90
0
225
90
-180
135
Phase
Gain
20
40
-20
-60 -135
-45
45
180
0.01 100
f - Frequency - kHz
-100
-40
0
100
Gain - bB
POWER LOSS
vs
LOAD CURRENT
60
-80
0.1 101.0
80
Phase - Degrees
-225
-90
0
225
90
-180
135
20
40
-20
-60 -135
-45
45
180
Phase
Gain
0 35
I
OUT
- Load Current - A
0
30
50
100
20
h - Efficiency - %
EFFICIENCY
vs
LOAD CURRENT
70
10
105 25 30
90
36 V
48 V
75 V
15
40
60
80
20
0 35
I
OUT
- Load Current - A
0
4
6
12
20
P
LOSS
- Power Loss - W
POWER LOSS
vs
LOAD CURRENT
8
2
105 25 3015
10
36 V
48 V
75 V
Power Up/Down Test Procedures www.ti.com
7 Power Up/Down Test Procedures
Figure 3. Figure 4.
Figure 5. Figure 6.
10
48-V to 3.3-V Forward Converter With Active-Clamp Reset Using the SLUU407A–June 2010–Revised May 2013
UCC2891 Active-Clamp Current-Mode PWM Controller
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