參數(shù)資料
型號: MAX5981BETE+
廠商: Maxim Integrated
文件頁數(shù): 6/16頁
文件大?。?/td> 1328K
描述: IC CTRLR PD IEEE 802.3AF 16TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 1
類型: 以太網(wǎng)供電控制器 PD 開關(guān)(PoE)
應(yīng)用: 供電設(shè)備(PSE)
內(nèi)部開關(guān):
電流限制: 720mA 至 880mA
電源電壓: 31 V ~ 60 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-WQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 16-TQFN-EP(5x5)
包裝: 管件
IEEE 802.3af/at-Compliant, Powered Device Interface
Controllers with Integrated Power MOSFET
6 ______________________________________________________________________________________
  Typical Operating Characteristics (continued)
(V
IN
 = (V
DD
 - V
SS
) = 54V, R
DET
 = 24.9k? R
CLS
 = 615? and R
SL
 = 60.4k? RTN, WAD, PG, 2EC, WK, and ULP unconnected; all
voltages are referenced to V
SS.
)
INRUSH CONTROL WAVEFORM WITH
TYPE 2 CLASSIFICATION
MAX5981 toc10
0V
0V
0V
0A
0V
V
RTN
50V/div
I
RTN
100mA/div
V
DD
50V/div
V
PG
10V/div
V
2EC
40V/div
20ms/div
USING TYPICAL APPLICATION CIRCUIT
2EC PULLED UP TO V
DD
 WITH 10kI
INRUSH CONTROL WAVEFORM WITH
TYPE 2 CLASSIFICATION
MAX5981 toc11
V
PG
10V/div
0V
0V
0V
0A
0V
V
RTN
50V/div
I
RTN
200mA/div
V
DD
50V/div
20ms/div
V
2EC
40V/div
USING TYPICAL APPLICATION CIRCUIT
2EC PULLED UP TO V
DD
 WITH 10kI
LED CURRENT vs. R
SL
 
R
SL
 (kI)
60
55
50
45
40
35
30
25
20
15
10
5
13
16
19
22
25
10
0
65
-40NC < T
A
 < +85NC
LED CURRENT vs. LED VOLTAGE
4
3
2
1
10
15
20
25
5
0
5
V    (V)
R
SL
 = 60.4kI
R
SL
 = 30.2kI
NORMAL OPERATION CURRENT LIMIT
vs. RTN VOLTAGE
V
RTN
 (V)
50
40
10
20
30
200
300
400
500
600
700
800
900
100
0
60
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MAX5981BETE+T 功能描述:熱插拔功率分布 IEEE 802.3af/at PDIC Controller 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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