參數(shù)資料
型號: 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): 26/52頁
文件大?。?/td> 1011K
代理商: TPS23841_07
www.ti.com
PMM Rup Pwr
PMM Rup Pwr function turns on the port power by ramping up the current that is being delivered to the load in a
controlled fashion. The output current ramps from 0 mA to I
LIM
(typically 650 mA) in approximately 500
μ
s.
Figure 14
shows the output voltage and current turning on for a 250-mA load.
PMM R
DWN
PMM R
DWN
function turns off the port power by ramping down the current in a controlled fashion. The output
current ramps from I
LIM
(typically 650 mA) to 0mA in approximately 300
μ
s.
Figure 15
shows the output voltage
and current shutting down for a 250-mA load.
t - Time - s/div
TPS23841
SLUS745–NOVEMBER 2006
POWER MANAGEMENT MODE FUNCTIONAL DESCRIPTION (continued)
Figure 14.
Figure 15.
26
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