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參數(shù)資料
| 型號(hào)： | 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(yè)數(shù)： | 7/24頁(yè) |
| 文件大?。?/td> | 465K |
| 代理商： | MAX5942B |
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M
IEEE 802.3af Power-Over-Ethernet
Interface/PWM Controller for Power Devices
_______________________________________________________________________________________
7
INRUSH CURRENT CONTROL
(V
IN
= 48V)
MAX5942A/B toc10
V
GATE
5V/div
I
INRUSH
100mA/div
V
50V/div
P
50V/div
2ms/div
INRUSH CURRENT CONTROL
(V
IN
= 67V)
M
V
GATE
5V/div
I
100mA/div
V
50V/div
P
50V/div
2ms/div
0.999
1.000
1.001
1.002
1.003
-40
0
TEMPERATURE (
°
C)
-20
20
40
60
80
V
SS_SHDN
vs. TEMPERATURE
(AT THE END OF SOFT-START)
M
V
FB
= V-
V
S
(
R
=
80.4
80.6
80.5
80.8
80.7
80.9
81.0
-40
20
40
-20
0
TEMPERATURE (
°
C)
60
80
MAX5942A
MAXIMUM DUTY CYCLE vs. TEMPERATURE
M
M
FB = V-
46.8
47.2
47.0
47.6
47.4
47.8
48.0
-40
20
40
-20
0
TEMPERATURE (
°
C)
60
80
MAX5942B
MAXIMUM DUTY CYCLE vs. TEMPERATURE
M
M
FB = V-
V+ SUPPLY CURRENT
vs. TEMPERATURE
M
1.55
1.56
1.58
1.57
1.62
1.63
1.61
1.60
1.59
1.64
V
-40
0
20
-20
40
60
80
TEMPERATURE (
°
C)
FB = V
DD
= V-
4.40
4.43
4.42
4.41
4.45
4.44
4.49
4.48
4.47
4.46
4.50
-40
-20
0
TEMPERATURE (
°
C)
20
40
60
80
SOFT-START SOURCE CURRENT
vs. TEMPERATURE
M
S
μ
A
V
DD
= FB = SS_SHDN = V-
V+ = 67V
13.50
13.55
13.70
13.65
13.60
13.75
13.80
-40
0
TEMPERATURE (
°
C)
-20
20
40
60
80
V+ INPUT CURRENT vs.
TEMPERATURE (AFTER STARTUP)
M
V
μ
A
V+ = 67V, V
DD
= 13V, 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.
273
274
276
275
277
278
-40
0
TEMPERATURE (
°
C)
-20
20
40
60
80
NDRV FREQUENCY
vs. TEMPERATURE
M
N
FB = V-
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 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 |
| MAX5946AETX | Dual PCI Express, Hot-Plug Controller |
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(kāi)關(guān) IC - POE / LAN RoHS:否 制造商:Fairchild Semiconductor 開(kāi)關(guān)數(shù)量:Single 開(kāi)關(guān)配置:SPST 開(kāi)啟電阻（最大值）:7.3 Ohms 串話: 帶寬: 開(kāi)啟時(shí)間（最大值）:13 ns 關(guān)閉時(shí)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(fēng)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(fēng)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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray |
| MAX5942BCSE-T | 功能描述:電源開(kāi)關(guān) IC - POE / LAN RoHS:否 制造商:Fairchild Semiconductor 開(kāi)關(guān)數(shù)量:Single 開(kāi)關(guān)配置:SPST 開(kāi)啟電阻（最大值）:7.3 Ohms 串話: 帶寬: 開(kāi)啟時(shí)間（最大值）:13 ns 關(guān)閉時(shí)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(fēng)格:Through Hole 封裝 / 箱體:TO-220F-6 |
| MAX5942BESE | 功能描述:電源開(kāi)關(guān) IC - POE / LAN RoHS:否 制造商:Fairchild Semiconductor 開(kāi)關(guān)數(shù)量:Single 開(kāi)關(guān)配置:SPST 開(kāi)啟電阻（最大值）:7.3 Ohms 串話: 帶寬: 開(kāi)啟時(shí)間（最大值）:13 ns 關(guān)閉時(shí)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(fēng)格:Through Hole 封裝 / 箱體:TO-220F-6 |
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