參數(shù)資料
型號(hào): DP83848C-POE-EK
廠商: National Semiconductor
文件頁數(shù): 62/86頁
文件大?。?/td> 0K
描述: BOARD EVALUATION DP83848C
標(biāo)準(zhǔn)包裝: 1
系列: PowerWise®
主要目的: 特殊用途 DC/DC,以太網(wǎng)供電(POE)
輸出及類型: 1,隔離
功率 - 輸出: 24W
輸出電壓: 3.3V
電流 - 輸出: 7.3A
輸入電壓: 39 ~ 57V
穩(wěn)壓器拓?fù)浣Y(jié)構(gòu): 回掃
頻率 - 開關(guān): 250kHz
板類型: 完全填充
已供物品:
已用 IC / 零件: LM5072
相關(guān)產(chǎn)品: DP83848CVVX/NOPBTR-ND - TXRX ETHERNET PHYTER 48-LQFP
DP83848CVV-ND - IC TXRX ETHERNET PHYTER 48-LQFP
www.national.com
64
DP
83
84
8C
8.2 AC Specs
8.2.1 Power Up Timing
Parameter
Description
Notes
Min
Typ
Max
Units
T2.1.1
Post Power Up Stabilization
time prior to MDC preamble for
register accesses
MDIO is pulled high for 32-bit serial man-
agement initialization
X1 Clock must be stable for a min. of
167ms at power up.
167
ms
T2.1.2
Hardware Configuration Latch-
in Time from power up
Hardware Configuration Pins are de-
scribed in the Pin Description section
X1 Clock must be stable for a min. of
167ms at power up.
167
ms
T2.1.3
Hardware Configuration pins
transition to output drivers
50
ns
Vcc
Hardware
RESET_N
MDC
32 clocks
Latch-In of Hardware
Configuration Pins
Dual Function Pins
Become Enabled As Outputs
input
output
X1 clock
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參數(shù)描述
DP83848CVV 制造商:Texas Instruments 功能描述:IC, 10/100 ETHERNET PHY, SMD, LQFP48
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