SS6578 ETC-unknow, SS6578 Datasheet - Page 4

• Manufacturer Part Number: SS6578
• Description: High Efficiency Step Down Dc/dc Controller
• Manufacturer: ETC-unknow

Rev.2.02 4/06/2004
TYPICAL PERFORMANCE CHARACTERISTICS
290
240
190
140
90
20
15
10
90
85
80
75
70
65
60
55
5
0
0
4
4
Fig. 1 Frequency & Duty Cycle vs. V
6
6
10
Fig. 3 Frequency vs. Temperature
Fig. 5 Shutdown Current vs. V
Duty
T
8
A
8
20
=0 C
Temperature ( C)
V
10
IN
10
=5V
30
V
T
V
IN
V
A
12
IN
IN
=70 C
12
( V)
(V)
=13V
40
14
T
14
A
=25 C
50
T
16
V
A
Frequency
16
IN
www.SiliconStandard.com
= 27 C
=20V
IN
60
18
18
IN
20
70
20
35
30
0
25
20
15
10
50
0
110
100
10
90
80
70
60
90
85
80
75
70
65
60
90
80
70
60
4
0
0
V
V
IN
IN
6
Fig. 2 Duty Cycle vs.Temperature
=5V
=5V
Fig. 6 Quiescent Current vs. V
Fig. 4 Duty Cycle vs. R
20
V
8
1
IN
V
=20V
Temperature ( C)
IN
10
=20V
R
T
R
DUTY
A
V
= 70 C
DUTY
V
IN
40
T
12
IN
A
2
=13V
= 0 C
(M )
(V)
refer to Typ. App.
V
Circuit.
14
IN
=15V
60
DUTY
16
V
T
3
IN
A
= 25 C
=10V
IN
18
80
20
4
SS6578
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