rev.
page
date
4 of 4
04/2008
PART NUMBER:
V78XX-1000 series
DESCRIPTION:
DC switching regulator, non-isolated
EFFICIENCY AND RIPPLE
Efficiency
100
Output
Ripple
50
40
30
20
10
0
V7803-1000
V7805-1000
V7812-1000
Efficiency (%)
V7803-1000
80
V7805-1000
V7812-1000
70
60
4.75
8
12 16 20 24 28
Efficiency VS Vin(Full Load)
32 Vin(V)
Ripple (mVpp)
90
4.75
8
12
16
20
24
28
32
Vin (V)
Ripple vs. Vin ( Full Load)
100
95
50
45
Efficiency (%)
Ripple (mVpp)
40
35
30
25
20
15
90
85
80
75
40
80
200
400
600
800 1000 1200
V7803-1000
V7805-1000
V7812-1000
V7803-1000
V7805-1000
V7812-1000
10
5
0
40
80
200
400
600
800
1000
1200
Output Current(mA)
Efficiency vs. Load (Vin=Vin_min)
Output Current (mA)
Ripple vs. Load (Vin=Vin_min)
100
90
50
45
40
Efficiency (%)
80
70
60
50
40
40
80
200
400
600
800 1000 1200
V7803-1000
V7805-1000
V7812-1000
35
30
25
20
15
10
5
0
40
80
200
400
600
800
1000
1200
V7803-1000
V7805-1000
V7812-1000
Output Current (mA)
Efficiency vs. Load (Vin=Vin_max)
Output Current (mA)
Ripple vs. Load (Vin=24V)
20050
SW
112
th
Ave. Tualatin, Oregon
97062
phone
503.612.2300
fax
503.612.2382
CUI [ CUI INC ]
