參數資料
型號： MAX5941ACSE+T
廠商： Maxim Integrated Products
文件頁數： 18/24頁
文件大小： 0K
描述： IC IEEE 802.3AF-COMP POE 16-SOIC
產品培訓模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 2,500
控制器類型： 以太網供電控制器（POE）
接口： IEEE 802.3af
電源電壓： 48V
電流 - 電源： 1mA
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 16-SOIC（0.154"，3.90mm 寬）
供應商設備封裝： 16-SOIC
包裝： 帶卷 (TR)
MAX5941A/MAX5941B
IEEE 802.3af-Compliant Power-Over-Ethernet
Interface/PWM Controller for Power Devices
_______________________________________________________________________________________
3
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
UVLO External Reference Voltage
Hysteresis
HYST
Ratio to VREF,UVLO
19.2
20
20.9
%
UVLO Bias Current
IUVLO
UVLO = 2.460V
-1.5
+1.5
A
UVLO Input Ground Sense
Threshold
VTH,G,UVLO (Note 8)
50
440
mV
UVLO Input Ground Sense Glitch
Rejection
UVLO = VEE
7s
Power Turn-Off Voltage,
Undervoltage Lockout Deglitch
Time
tOFF_DLY
VIN, VUVLO falling (Note 9)
0.32
ms
TA = +25°C
(Note 11)
0.6
1.1
Isolation Switch N-Channel
MOSFET On-Resistance
RON
Output current =
300mA, VGATE = 5.6V,
measured between
OUT and VEE
TA = +85°C
0.8
1.5
Isolation Switch N-Channel
MOSFET Off-Threshold Voltage
VGSTH
OUT = GND, VGATE - VEE, output current
< 1A
0.5
V
GATE Pulldown Switch Resistance
RG
Power-off mode, VIN = 12V, UVLO = VEE
38
80
GATE Charging Current
IG
VGATE = 2V
5
10
15
A
GATE High Voltage
VGATE
IGATE = 1A
5.58
5.76
5.93
V
VOUT - VEE, |VOUT - VEE| decreasing,
VGATE = 5.75V
1.15
1.23
1.31
V
PGOOD, PGOOD Assertion VOUT
Threshold
VOUTEN
Hysteresis
70
mV
(GATE - VEE) increasing, OUT = VEE
4.62
4.76
4.91
V
PGOOD, PGOOD Assertion VGATE
Threshold
VGSEN
Hysteresis
80
mV
PGOOD Output Low Voltage
ISINK = 2mA (Note 10)
0.4
V
PGOOD Output Low Voltage
VOLDCDC
ISINK = 2mA, OUT ≤ (GND - 5V) (Note 10)
0.2
V
PGOOD Leakage Current
GATE = high, GND - VOUT = 67V (Note 10)
1A
PGOOD Leakage Current
GATE = VEE, PGOOD - VEE = 67V (Note 10)
1A
ELECTRICAL CHARACTERISTICS (continued)
(VIN = (GND - VEE) = 48V, GATE = PGOOD = PGOOD = OPEN, V- tied to OUT, V+ tied to GND, UVLO = VEE, TA = TMIN to +TMAX,
unless otherwise noted. Typical values are at TA = +25
°C. All voltages are referenced to VEE, unless otherwise noted.) (Note 1)
ELECTRICAL CHARACTERISTICS (PWM Controller)
(All voltages referenced to V-. VDD = 13V, a 10F capacitor connects VCC to V-, VCS = V-, V+ = 48V, 0.1F capacitor connected to
SS_SHDN, NDRV = open circuit, OPTO = V-, TA = TMIN to +TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SUPPLY CURRENT
IV+(NS)
VDD = 0V, V+ = 67V, driver not switching
0.85
1.3
V+ Supply Current
IV+(S)
V+ = 67V, VDD = 0V, VOPTO = 4V, driver
switching
1.4
2.6
mA
V+ Supply Current After Startup
V+ = 67V, VDD = 13V, VOPTO = 4V
11
A
IVDD(NS)
VDD = 36V, driver not switching
0.9
1.3
VDD Supply Current
IVDD(S)
VDD = 36V, driver switching, VOPTO = 4V
1.9
2.7
mA
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參數描述
MAX5941AESE 功能描述:電源開關 IC - POE / LAN RoHS:否 制造商:Fairchild Semiconductor 開關數量: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
MAX5941AESE+ 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 產品: 輸入/輸出端數量: 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
MAX5941AESE+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 產品: 輸入/輸出端數量: 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
MAX5941AESE-T 功能描述:電源開關 IC - POE / LAN RoHS:否 制造商:Fairchild Semiconductor 開關數量: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
MAX5941BCSE 功能描述:電源開關 IC - POE / LAN RoHS:否 制造商:Fairchild Semiconductor 開關數量: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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