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參數(shù)資料
| 型號： | 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同步整流控制DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 14/16頁 |
| 文件大小： | 175K |
| 代理商： | SI9124 |
Si9124
Vishay Siliconix
New Product
www.vishay.com
14
Document Number: 72099
S-03638—Rev. B, 20-Mar-03
TYPICAL WAVEFORMS
200 s/div
Figure 8.
Over Current Hiccup
(CS2 = 200 mV)
Figure 9.
Over Current Hiccup Cycle
Figure 10.
Pre-Regulator Start-Up
Figure 11.
Operating Driver Waveforms
Figure 12.
SEC_SYNC Set-Up Time (t
d3
, t
d4
)
Figure 13.
SEC_SYNC Set-Up Time (t
d1
, t
d2
)
CS2
100 mV/div
10 V/div
OUT
A
5 V/div
SEC_SYNC
5 V/div
2 ms/div
100 ns/div
500 ns/div
100 ns/div
200 s/div
SS
1 V/div
CS2
100 mV/div
OUT
B
20 V/div
SS
1 V/div
OUT
A
20 V/div
OUT
B
5 V/div
OUT
A
5 V/div
SEC_SYNC
5 V/div
SEC_SYNC
5 V/div
OUT
B
5 V/div
V
CC
= 12 V
V
CC
= 12 V
V
CC
= 12 V
OUT
B
20 V/div
OUT
A
20 V/div
V
INEXT
V
CC
GND
C
SS
= 22 nF
V
CC
= 12 V
C
SS
= 22 nF
V
CC
= 12 V
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