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參數(shù)資料
| 型號： | SI9123 |
| 廠商： | Vishay Intertechnology,Inc. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | 500-kHz Half-Bridge DC-DC Converter With Integrated Secondary Synchronous Rectification Control |
| 中文描述： | 500千赫半橋型DC - DC與集成的次級同步整流控制轉(zhuǎn)換器 |
| 文件頁數(shù)： | 6/16頁 |
| 文件大小： | 181K |
| 代理商： | SI9123 |
Si9123
Vishay Siliconix
New Product
www.vishay.com
6
Document Number: 72098
S-03639—Rev. B, 20-Mar-03
TIMING DIAGRAMS FOR MOS DRIVERS
D
L
D
H
Time
V
CC
V
BST
V
MID
GND
V
CC
SEC_SYNC
50%
D
H
50%
GND
V
CC
V
MID
BST
50%
D
H
, L
X
D
H
, L
X
SEC_SYNC
D
H
, L
X
SEC_SYNC
SEC_SYNC
VL
X
D
L
50%
Leading
Trailing
Leading
Trailing
t
d3
t
d4
t
d1
t
d2
GND
Figure 3.
VOLTS
2 V
be
GND
Time
SS
GND
GND
L
X
Soft
Start
Hiccup
Time Out
Over Current
Detected
t
1
t
2
Figure 4.
Soft-Start, Hiccup Mode Operation
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