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參數(shù)資料
| 型號(hào)： | SI9124 |
| 廠商： | Vishay Intertechnology,Inc. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | 500-kHz Push-Pull DC-DC Converter With Integrated Secondary Synchronous Rectification Control |
| 中文描述： | 500千赫推挽式直流與集成的次級(jí)同步整流控制DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 12/16頁 |
| 文件大?。?/td> | 175K |
| 代理商： | SI9124 |
Si9124
Vishay Siliconix
New Product
www.vishay.com
12
Document Number: 72099
S-03638—Rev. B, 20-Mar-03
TYPICAL CHARACTERISTICS
0
10
20
30
40
50
60
70
80
90
100
0.0
0.5
1.0
1.5
2.0
OUT
A
, OUT
B
Duty Cycle vs. V
EP
V
EP
(V)
40
60
80
100
120
-50
-25
0
25
50
75
100
125
OUT
A
, OUT
B
Delay vs. Temperture
D
Temperature ( C)
D
V
CC
= 12 V
t
d1
, t
d3
t
d2
, t
d4
3.6 V = V
INDET
V
CC
= 12 V
7.2 V
4.8 V
30
40
50
60
70
80
90
100
2.5
3.5
4.5
5.5
6.5
7.5
V
INDET
(V)
D
OUT
A
, OUT
B
Duty Cycle vs. V
INDET
@ 25 C
V
EP
= 1.2 V, V
CC
= 9.5 V
I
HCUP
vs. SS Duty Cycle, C
SS
22 = nF
SS Duty Cycle (%) = t
2
/ (t
1
+ t
2
)
I
H
3.270
3.275
3.280
3.285
3.290
3.295
3.300
-50
-25
0
25
50
75
100
V
REF
vs. Temperature, V
CC
= 12 V
Temperature ( C)
(
V
R
200
300
400
500
600
20
30
40
50
60
70
80
F
OSC
vs. R
OSC
@ V
CC
= 12 V
R
OSC
(k )
(
F
O
6
7
8
9
10
11
12
13
14
10
20
30
40
50
V
CC
= 12 V
V
= 4.8 V
OUT
A
= OUT
= 3 nF
C
SEC_SYNC
= 0.3 nF
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