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參數(shù)資料
| 型號(hào)： | UPD16837GS |
| 廠商： | NEC Corp. |
| 英文描述： | MONOLITHIC QUAD H BRIDGE DRIVER |
| 中文描述： | 單片四H橋驅(qū)動(dòng) |
| 文件頁(yè)數(shù)： | 10/16頁(yè) |
| 文件大?。?/td> | 110K |
| 代理商： | UPD16837GS |
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μ
PD16837
10
ABOUT SWITCHING
When output A is switched as shown in the figure on the right, a dead
time (time during which both P ch and N ch are OFF) elapses to prevent
through current. Therefore, the waveform of output A (rise time, fall time,
and delay time) changes depending on whether output B is fixed to the
high or low level.
The output voltage waveforms of A in response to an input waveform
where output B is fixed to the low level (1) or high level (2) are shown
below.
(1) Output B: Fixed to low level
Output A: Switching operation (Operations of P ch and N ch are shown.)
Input waveform
Voltage waveform at point A
Dead time
Pch:
Nch:
OFF
→
ON
→
OFF
→
OFF
→
ON
→
OFF
→
OFF
→
OFF
→
OFF
→
ON
→
······ON······
······OFF······
Current ON
Current OFF
Output A goes into a high-impedance state and is in an undefined status during the dead time period. Because
output B is pulled down by the load, a low level is output to A.
(2) Output B: Fixed to high level
Output A: Switching operation (Operations of P ch and N ch are shown.)
Input waveform
Voltage waveform at point A
Dead time
Current ON
Current OFF
Pch:
Nch:
OFF
→
ON
→
OFF
→
OFF
→
ON
→
OFF
→
OFF
→
OFF
→
OFF
→
ON
→
······ON······
······OFF······
Output A goes into a high-impedance state and is in an undefined status during the dead time period. Because
output B is pulled up by the load, a high level is output to A.
V
M
Pch
Pch
Nch
Nch
A
B
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| UPD16855A | DUAL HIGH-SIDE SWITCH FOR USB APPLICATION |
| UPD16855AG | DUAL HIGH-SIDE SWITCH FOR USB APPLICATION |
| UPD16855BC | DUAL HIGH-SIDE SWITCH FOR USB APPLICATION |
| UPD16855BG | DUAL HIGH-SIDE SWITCH FOR USB APPLICATION |
| UPD16855DG | DUAL HIGH-SIDE SWITCH FOR USB APPLICATION |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UPD16855 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| UPD16855A | 制造商:NEC 制造商全稱:NEC 功能描述:DUAL HIGH-SIDE SWITCH FOR USB APPLICATION |
| UPD16855AG | 制造商:NEC 制造商全稱:NEC 功能描述:DUAL HIGH-SIDE SWITCH FOR USB APPLICATION |
| UPD16855B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:UPD16855A/B/C/D Data Sheet | Data Sheet[02/1999] |
| UPD16855BC | 制造商:NEC 制造商全稱:NEC 功能描述:DUAL HIGH-SIDE SWITCH FOR USB APPLICATION |
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