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參數(shù)資料
| 型號： | MAX5942B |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | IEEE 802.3af Power-Over-Ethernet Interface/PWM Controller for Power Devices |
| 中文描述： | IEEE 802.3af以太網(wǎng)供電接口/PWM控制器，適用于用電設(shè)備 |
| 文件頁數(shù)： | 8/24頁 |
| 文件大?。?/td> | 465K |
| 代理商： | MAX5942B |
M
IEEE 802.3af Power-Over-Ethernet
Interface/PWM Controller for Power Devices
8
_______________________________________________________________________________________
0.483
0.484
0.486
0.485
0.487
0.488
-40
0
TEMPERATURE (
°
C)
-20
20
40
60
80
CS THRESHOLD VOLTAGE
vs. TEMPERATURE
M
C
FB = V-
NDRV RESISTANCE
vs. TEMPERATURE
M
1.0
1.5
2.5
2.0
4.0
4.5
3.5
3.0
5.0
N
)
-40
0
TEMPERATURE (
°
C)
20
-20
40
60
80
HIGH-SIDE DRIVER
LOW-SIDE DRIVER
-40
-20
0
TEMPERATURE (
°
C)
20
40
60
80
CURRENT-LIMIT DELAY
vs. TEMPERATURE
M
C
188
190
192
194
196
198
200
202
204
206
208
210
FB = V-, 100mV OVERDRIVE ON CS
2.400
2.402
2.406
2.404
2.408
2.410
0
10
15
5
20
25
30
35
40
V
SS_SHDN
vs. V
DD
M
V
DD
(V)
V
S
267.0
268.0
267.5
269.0
268.5
269.5
270.0
270.5
271.0
0
10
15
5
20
25
30
35
40
NDRV FREQUENCY vs. V
DD
M
V
DD
(V)
N
FB = V-
Typical Operating Characteristics (continued)
(V
IN
= (GND - V
EE
) = 48V, GATE = PGOOD = PGOOD = OUT = OPEN, UVLO = V
EE
, V
DD
= 13V, NDRV floating, T
A
= T
MIN
to T
MAX
.
Typical values are at T
A
= +25
°
C. All voltages are referenced to V
EE
(for graphs 1
–
11 in the
Typical Operating Characteristics
); all
voltages are referenced to V- (for graphs 12
–
30 in the
Typical Operating Characteristics
), unless otherwise noted.
179.0
180.0
179.5
180.5
182.0
181.5
181.0
182.5
-40
-20
0
TEMPERATURE (
°
C)
20
40
60
80
V+ SHUTDOWN CURRENT
vs. TEMPERATURE
M
V
μ
A
V+ = 67V, FB = SS_SHDN = V-
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX5942ACSE | IEEE 802.3af Power-Over-Ethernet Interface/PWM Controller for Power Devices |
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| MAX5942BCSE | Quadruple 2-Input Positive-NAND Buffers With Open-Collector Outp 14-CDIP -55 to 125 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5942BCSE | 功能描述:電源開關(guān) IC - POE / LAN RoHS:否 制造商:Fairchild Semiconductor 開關(guān)數(shù)量:Single 開關(guān)配置:SPST 開啟電阻（最大值）:7.3 Ohms 串話: 帶寬: 開啟時間（最大值）:13 ns 關(guān)閉時間（最大值）:20 ns 切換電壓（最大）: 工作電源電壓:8 V to 26 V 最大工作溫度:+ 125 C 安裝風格:Through Hole 封裝 / 箱體:TO-220F-6 |
| MAX5942BCSE+ | 功能描述:輸入/輸出控制器接口集成電路 IEEE 802.3af POE Int/PWM 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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray |
| MAX5942BCSE+T | 功能描述:輸入/輸出控制器接口集成電路 IEEE 802.3af POE Int/PWM 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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray |
| MAX5942BCSE-T | 功能描述:電源開關(guān) IC - POE / LAN RoHS:否 制造商:Fairchild Semiconductor 開關(guān)數(shù)量:Single 開關(guān)配置:SPST 開啟電阻（最大值）:7.3 Ohms 串話: 帶寬: 開啟時間（最大值）:13 ns 關(guān)閉時間（最大值）:20 ns 切換電壓（最大）: 工作電源電壓:8 V to 26 V 最大工作溫度:+ 125 C 安裝風格:Through Hole 封裝 / 箱體:TO-220F-6 |
| MAX5942BESE | 功能描述:電源開關(guān) IC - POE / LAN RoHS:否 制造商:Fairchild Semiconductor 開關(guān)數(shù)量:Single 開關(guān)配置:SPST 開啟電阻（最大值）:7.3 Ohms 串話: 帶寬: 開啟時間（最大值）:13 ns 關(guān)閉時間（最大值）:20 ns 切換電壓（最大）: 工作電源電壓:8 V to 26 V 最大工作溫度:+ 125 C 安裝風格:Through Hole 封裝 / 箱體:TO-220F-6 |
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