參數(shù)資料
型號(hào)： MAX5942BCSE
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： Quadruple 2-Input Positive-NAND Buffers With Open-Collector Outp 14-CDIP -55 to 125
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)： 3/24頁
文件大?。?/td> 465K
代理商： MAX5942BCSE
M
IEEE 802.3af Power-Over-Ethernet
Interface/PWM Controller for Power Devices
_______________________________________________________________________________________
3
PARAMETER
SYMBOL
I
UVLO
CONDITIONS
MIN
-1.5
TYP
MAX
+1.5
UNITS
μA
UVLO Bias Current
UVLO = 2.460V
UVLO Input Ground Sense
Threshold
V
TH,G,UVLO
(Note 8)
50
440
mV
UVLO Input Ground Sense Glitch
Rejection
UVLO = V
EE
7
μs
Power Turn-Off Voltage,
Undervoltage Lockout Deglitch
Time
t
OFF_DLY
V
IN
, V
UVLO
falling (Note 9)
0.32
ms
T
A
= +25
°
C
(Note 11)
0.6
1.1
Isolation Switch N-Channel
MOSFET On-Resistance
R
ON
Output current =
300mA, V
GATE
= 5.6V,
measured between
OUT and V
EE
T
A
= +85
°
C
0.8
1.5
Isolation Switch N-Channel
MOSFET Off-Threshold Voltage
V
GSTH
OUT = GND, V
GATE
- V
EE
, output current
< 1μA
0.5
V
GATE Pulldown Switch Resistance
GATE Charging Current
GATE High Voltage
R
G
I
G
Power-off mode, V
IN
= 12V, UVLO = V
EE
V
GATE
= 2V
I
GATE
= 1μA
V
OUT
- V
EE
, |V
OUT
- V
EE
| decreasing,
V
GATE
= 5.75V
Hysteresis
(GATE - V
EE
) increasing, OUT = V
EE
Hysteresis
I
SINK
= 2mA (Note 10)
I
SINK
= 2mA, OUT
≤
(GND - 5V) (Note 10)
GATE = hi g h, GN D - V
OU T
= 67V ( N ote 10)
GATE = V
E E
, P GOOD - V
E E
= 67V ( N ote 10)
38
10
5.76
80
15
5.93
μA
V
5
V
GATE
5.58
1.15
1.23
1.31
V
PGOOD,
PGOOD
Assertion
V
OUT
Threshold
V
OUTEN
70
4.76
80
mV
V
mV
V
V
μA
μA
4.62
4.91
PGOOD,
PGOOD
Assertion
V
GATE
Threshold
PGOOD
Output Low Voltage
PGOOD Output Low Voltage
PGOOD Leakag e C ur ent
PGOOD
Leakag e C ur ent
V
GSEN
V
OLDCDC
0.4
0.2
1
1
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= (GND - V
EE
) = 48V, GATE =
PGOOD
= PGOOD = OPEN, V- tied to OUT, V+ tied to GND, UVLO = V
EE
, T
A
= T
MIN
to T
MAX
,
unless otherwise noted. Typical values are at T
A
= +25
°
C. All voltages are referenced to V
EE
, unless otherwise noted.) (Note 1)
ELECTRICAL CHARACTERISTICS (PWM Controller)
(All voltages referenced to V-. V
DD
= 13V, a 10μF capacitor connects V
CC
to V-, V
CS
= V-, V+ = 48V, 0.1μF capacitor connected to
SS_
SHDN
, NDRV = open circuit, V
FB
= 3V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25
°
C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
SUPPLY CURRENT
I
V+(NS)
V
DD
= 0V, V+ = 67V, driver not switching
V+ Supply Current
I
V+(S)
switching
MIN
TYP
MAX
UNITS
0.8
1.6
V+ = 67V, V
DD
= 0V, V
FB
= 4V, driver
1.6
3.2
mA
V+ Supply Current After Startup
V+ = 67V, V
DD
= 13V, V
FB
= 4V
14
μA
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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: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(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(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: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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