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參數(shù)資料
| 型號： | MAX5942A |
| 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，適用于用電設備 |
| 文件頁數(shù)： | 9/24頁 |
| 文件大?。?/td> | 465K |
| 代理商： | MAX5942A |
M
IEEE 802.3af Power-Over-Ethernet
Interface/PWM Controller for Power Devices
_______________________________________________________________________________________
9
0
2
14
6
4
8
10
12
16
0
40
V+ VOLTAGE (V)
30
10 20
50 60 70 80 90
110
V+ SUPPLY CURRENT vs. V+ VOLTAGE
(AFTER STARTUP)
M
V
μ
A
100
V
DD
= 13V, FB = V-
1.51
1.53
1.52
1.56
1.55
1.54
1.59
1.58
1.57
1.60
0
40
V+ VOLTAGE (V)
20
60
80
100
V+ SUPPLY CURRENT vs.
V+ VOLTAGE
M
V
V
FB
= V
DD
= V-
9.0
9.4
9.2
9.8
9.6
10.2
10.0
10.4
V
CC
VOLTAGE vs. V
CC
CURRENT
M
V
CC
CURRENT (mA)
V
C
0
5
10
15
20
V+ = +67V, V
FB
= 4V
V
DD
= 36V
V
DD
= 13V
9.0
9.3
9.2
9.1
9.4
9.5
9.6
9.7
9.8
9.9
10.0
0
5
10
15
20
V
CC
VOLTAGE vs. V
CC
CURRENT
M
V
CC
CURRENT (mA)
V
C
V
DD
= GND, V
FB
= 4V
V+ = 67V
V+ = 48V
V+ = 36V
V+ = 24V
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.
47.0
47.2
47.1
47.4
47.3
47.6
47.5
47.7
47.9
47.8
48.0
0
10
15
5
20
25
30
35
40
MAX5942B
MAXIMUM DUTY CYCLE vs. V
DD
M
V
DD
(V)
M
V
FB
= 4V, CS = V-
DEVICE POWERED
FROM V+
DEVICE POWERED
FROM V
DD
9.5
9.6
9.8
9.7
10.0
10.1
9.9
10.2
0
10
15
5
20
25
30
35
40
V
CC
vs. V
DD
M
V
DD
(V)
V
C
DEVICE POWERED FROM V
DD
DEVICE POWERED
FROM V+
FB = V-
相關PDF資料 |
PDF描述 |
|---|---|
| MAX5942B | IEEE 802.3af Power-Over-Ethernet Interface/PWM Controller for Power Devices |
| MAX5942ACSE | IEEE 802.3af Power-Over-Ethernet Interface/PWM Controller for Power Devices |
| MAX5942A-MAX5942B | Octal D-Type Positive Edge Triggered Flip-Flops with 3-State Outputs 20-CFP -55 to 125 |
| MAX5942BCSE | Quadruple 2-Input Positive-NAND Buffers With Open-Collector Outp 14-CDIP -55 to 125 |
| MAX5946 | Dual PCI Express, Hot-Plug Controller |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5942ACSE | 功能描述:電源開關 IC - POE / LAN RoHS:否 制造商:Fairchild Semiconductor 開關數(shù)量:Single 開關配置: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 |
| MAX5942ACSE+ | 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 |
| MAX5942ACSE+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 |
| MAX5942ACSE-T | 功能描述:電源開關 IC - POE / LAN RoHS:否 制造商:Fairchild Semiconductor 開關數(shù)量:Single 開關配置: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 |
| MAX5942AESE | 功能描述:電源開關 IC - POE / LAN RoHS:否 制造商:Fairchild Semiconductor 開關數(shù)量:Single 開關配置: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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