ADDC02808PB–Typical Performance Curves
82
80
40V
V
OUT
DEVIATION – %
78
PERCENTAGE
28V
0.5
1.0
28V
IN
, 150W PEAK
76
74
72
0.0
18V
–0.5
70
68
–1.0
–55 –45 –35 –25 –15 –5
0
20
40
60
80
100 120 140
OUTPUT POWER – Watts
160
180
200
5
15 25 35 45 55 65 75 85 95
T
CASE
Figure 1. Efficiency vs. Line and Load at +25
°
C
(Load Pulsewidth of 50 ms)
Figure 4. Output Voltage vs. Case Temperature (
°
C)
79
28V
IN
, 150W PEAK
79
EFFICIENCY – Percentage
100
78
2V
90
V
O
78
77
10V
77
10
0%
V
INHIBIT
1ms
76
–55 –45 –35 –25 –15 –5
5
15 25 35 45 55 65 75 85 95
T
CASE
Figure 2. Efficiency vs. Case Temperature (
°
C)
(at Nominal V
IN
, 75% Max Load, Load Pulsewidth
of 50 ms)
16.0
Figure 5. Output Voltage Transient During Turn-On with
0.1 A Load Displaying Soft Start When Supply Is Enabled
15.5
100
90
INPUT VOLTAGE
15.0
100mV
14.5
V
O
14.0
10
0%
13.5
100 s
13.0
140
150
160
170
180
PEAK OUTPUT POWER – Watts
190
200
Figure 3. Low Line Dropout vs. Load at 90
°
C Case
Temperature (Load Pulsewidth of 50 ms)
Figure 6. Output Voltage Transient Response to
a 1 A to 25 A Step Change in Load, di/dt = 12 A/
µ
s,
with 1,000
µ
F Load Capacitance (R
ESR
= 10 m
Ω
)
–4–
REV. A
AD [ ANALOG DEVICES ]
