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參數(shù)資料
| 型號(hào)： | TPS23841_07 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | HIGH-POWER, WIDE VOLTAGE RANGE, QUAD-PORT ETHERNET POWER SOURCING EQUIPMENT MANAGER |
| 中文描述： | 大功率，寬電壓范圍，四端口以太網(wǎng)供電設(shè)備管理器 |
| 文件頁數(shù)： | 23/52頁 |
| 文件大?。?/td> | 1011K |
| 代理商： | TPS23841_07 |
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PMM Discovery 1
PMM Discovery 1 function waveforms for the N and CINT pins are shown in
Figure 10
. The measurement is
being performed using 25 k
impedance between the P and N pin. The Discovery 1 voltage is allowed to settle
for approximately 5ms before the A/D begins integrating. The voltage on the CINT pin shows the A/D cycle.
There are four distinct regions to any A/D cycle: pre-charge (to a known starting voltage), charge, coarse
discharge, and fine discharge. CINT pin is very high impedance therefore extreme care must be taken to avoid
any noise or leakage affecting this pin. For the measurements where CINT voltage is shown a buffer was used
to prevent performance degradation. The A/D measurement time is approximately 18ms. The entire Discovery 1
function takes approximately 22 ms to complete. At the end of the A/D cycle the Discovery 1 current is stored in
the Discovery Current Register and the function done bit is set. The applied Discovery 1 voltage level remains
until a new function is called. The data for this measurement will remain stored in the Discovery Current Register
until another Discovery 1 or 2 function is called.
TPS23841
SLUS745–NOVEMBER 2006
POWER MANAGEMENT MODE FUNCTIONAL DESCRIPTION (continued)
Figure 10.
23
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| TPS23841PAP | 功能描述:熱插拔功率分布 HP Wide Volt Range Quad Part Ethernet RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS23841PAPG4 | 功能描述:熱插拔功率分布 HP Wide Volt Range Quad Part Ethernet RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS23841PAPR | 功能描述:熱插拔功率分布 HP Wide Volt Range Quad Part Ethernet RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS23841PAPRG4 | 功能描述:熱插拔功率分布 HP Wide Volt Range Quad Part Ethernet RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS23841PJD | 功能描述:熱插拔功率分布 HP Wide Volt Range Quad Part Ethernet RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
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