參數(shù)資料
型號: MAX5940AESA
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 電源管理
英文描述: IEEE 802.3af PD Interface Controller For Power-Over-Ethernet
中文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝: 0.150 INCH, MS-012AA, SOIC-8
文件頁數(shù): 4/15頁
文件大?。?/td> 295K
代理商: MAX5940AESA
M
IEEE 802.3af PD Interface Controller
For Power-Over-Ethernet
4
_______________________________________________________________________________________
I
IN
I
INi + 1
I
INi
I
OFFSET
dR
i
1V
V
INi
V
INi + 1
I
OFFSET
I
INi
- V
INi
dR
i
dR
i
(V
INi + 1
- V
INi
(I
INi + 1
- I
INi
)) = 1V
INi + 1
- I
INi
)
V
IN
Figure1 . Effective Differential Input Resistance/Offset Current
DETECTION CURRENT vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
D
8
6
4
2
0.1
0.2
0.3
0.4
0.5
0
0
10
R
DISC
= 25.5k
I
IN
+ I
RDISC
CLASSIFICATION CURRENT vs. INPUT VOLTAGE
50
M
INPUT VOLTAGE (V)
C
25
20
15
10
5
10
20
30
40
0
0
30
CLASS 0
CLASS 1
CLASS 2
CLASS 3
CLASS 4
EFFECTIVE DIFFERENTIAL INPUT
RESISTANCE vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
E
)
10
8
6
4
2
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0
0
12
INPUT OFFSET CURRENT
vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
I
μ
A
9
7
5
3
-3.0
-2.5
-2.0
-1.5
-1.0
-0.5
0
-3.5
1
11
NORMALIZED UVLO
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
N
60
35
10
-15
0.992
0.994
0.996
0.998
1.000
1.002
1.004
1.006
1.008
1.010
0.990
-40
85
UVLO = V
EE
PGOOD OUTPUT LOW VOLTAGE
vs. CURRENT
M
I
SINK
(mA)
V
P
15
10
5
50
100
150
200
250
0
0
20
Typical Operating Characteristics
(V
IN
= (GND - V
EE
) = 48V, GATE =
PGOOD
= PGOOD = OUT = OPEN, UVLO = V
EE
(MAX5940B), T
A
= -40
°
C to +85
°
C. Typical values
are at T
A
= +25
°
C. All voltages are referenced to V
EE
, unless otherwise noted.)
相關(guān)PDF資料
PDF描述
MAX5940BESA IEEE 802.3af PD Interface Controller For Power-Over-Ethernet
MAX5941B IEEE 802.3af-Compliant Power-Over-Ethernet Interface/PWM Controller for Power Devices
MAX5941A IEEE 802.3af-Compliant Power-Over-Ethernet Interface/PWM Controller for Power Devices
MAX5941 IEEE 802.3af-Compliant Power-Over-Ethernet Interface/PWM Controller for Power Devices
MAX5941ACSE ECONOLINE: RBM - New Micro Size SIP 6 Package- Industry Standard Pinout- 3kVDC Isolation- UL94V-0 Package Material- Efficiency to 85%
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX5940AESA+ 功能描述:輸入/輸出控制器接口集成電路 IEEE 802.3af PD Int Controller RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
MAX5940AESA+T 功能描述:輸入/輸出控制器接口集成電路 IEEE 802.3af PD Int Controller RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
MAX5940AESA-T 功能描述:輸入/輸出控制器接口集成電路 RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
MAX5940BCSA+ 制造商:Maxim Integrated Products 功能描述:- Rail/Tube
MAX5940BCSA+T 制造商:Maxim Integrated Products 功能描述:IEEE 802.3AF PD INTERFACE CONTROLLER FOR POWER-OVER-ETHERNET - Tape and Reel