DGP30 SERIES – SINGLE OUTPUT
DGP30 SERIES BLOCK DIAGRAM
OUTPUT POWER DERATING
SHIELDED ISOLATION TRANSFORMER
30
25
20
15
10
5
THERMAL SHUTDOWN
+ OUTPUT
5
+
D
C
1
2
- OUT
TRIM
+ INPUT
– INPUT
6
7
CURRENT
MODE
PWM
+
–
ON/OFF
3
ISOLATED
FEEDBACK
ON/OFF
C
D
5
270ꢀF
40ꢀF
40ꢀF
6.8V
15V
18V
LOW TC
BANDGAP
REFERENCE
12
15
0
SIX SIDED SHIELDED COPPER CASE
35
40
45
50
55
60
AMBIENT TEMPERATURE
Typical Performance: (Tc=25°C, Vin=Nom VDC, Rated Load)
EFFICIENCY Vs. LINE INPUT VOLTAGE
EFFICIENCY Vs. LOAD
INPUT RIPPLE Vs. LINE INPUT VOLTAGE
90
89
88
87
86
85
84
83
82
81
80
90
89
88
87
86
85
84
83
82
81
80
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
100% LOAD
75% LOAD
50% LOAD
100% LOAD
50% LOAD
35
45
55
65
75
0
10 20 30 40 50 60 70 80 90 100
30
40
50
60
70
80
LINE INPUT (VOLTS)
LOAD (%)
LINE INPUT (VOLTS)
OUTPUT VOLTAGE Vs. OUTPUT LOAD
INPUT CURRENT Vs. LINE INPUT VOLTAGE
120
110
1.4
1.2
100
90
80
70
60
50
40
30
20
10
0
1.0
0.8
0.6
0.4
0.2
0.0
100% LOAD
50% LOAD
0
20 40 60 80 100 120 140 160 180 200
0
10
20
30
40
50
60
70
80
OUTPUT LOAD (%)
LINE INPUT (VOLTS)
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