參數(shù)資料
型號： MAX5942ACSE
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： IEEE 802.3af Power-Over-Ethernet Interface/PWM Controller for Power Devices
中文描述： 1 A SWITCHING CONTROLLER, 314 kHz SWITCHING FREQ-MAX, PDSO16
封裝： 0.150 INCH, MS-012AC, SOIC-16
文件頁數(shù)： 7/24頁
文件大小： 465K
代理商： MAX5942ACSE
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-
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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(fēng)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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
MAX5942ACSE-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(fēng)格:Through Hole 封裝 / 箱體:TO-220F-6
MAX5942AESE 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(fēng)格:Through Hole 封裝 / 箱體:TO-220F-6
MAX5942AESE+ 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
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