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| 型号： | MAX5941BCSE+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 18/24页 |
| 文件大小： | 0K |
| 描述： | IC IEEE 802.3AF-COMP POE 16-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 控制器类型： | 以太网供电控制器（POE） |
| 接口： | IEEE 802.3af |
| 电源电压： | 48V |
| 电流 - 电源： | 1mA |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 管件 |
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5941BCSE+ | 功能描述:输入/输出控制器接口集成电路 IEEE 802.3af POE Int/PWM Controller RoHS:否 制造商:Silicon Labs 产品: 输入/输出端数量: 工作电源电压: 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:QFN-64 封装:Tray |
| MAX5941BCSE+T | 功能描述:输入/输出控制器接口集成电路 IEEE 802.3af POE Int/PWM Controller RoHS:否 制造商:Silicon Labs 产品: 输入/输出端数量: 工作电源电压: 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:QFN-64 封装:Tray |
| MAX5941BCSE-T | 功能描述:电源开关 IC - POE / LAN RoHS:否 制造商:Fairchild Semiconductor 开关数量:Single 开关配置:SPST 开启电阻（最大值）:7.3 Ohms 串话: 带宽: 开启时间（最大值）:13 ns 关闭时间（最大值）:20 ns 切换电压（最大）: 工作电源电压:8 V to 26 V 最大工作温度:+ 125 C 安装风格:Through Hole 封装 / 箱体:TO-220F-6 |
| MAX5941BESE | 功能描述:电源开关 IC - POE / LAN RoHS:否 制造商:Fairchild Semiconductor 开关数量:Single 开关配置:SPST 开启电阻（最大值）:7.3 Ohms 串话: 带宽: 开启时间（最大值）:13 ns 关闭时间（最大值）:20 ns 切换电压（最大）: 工作电源电压:8 V to 26 V 最大工作温度:+ 125 C 安装风格:Through Hole 封装 / 箱体:TO-220F-6 |
| MAX5941BESE+ | 功能描述:输入/输出控制器接口集成电路 IEEE 802.3af POE Int/PWM Controller RoHS:否 制造商:Silicon Labs 产品: 输入/输出端数量: 工作电源电压: 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:QFN-64 封装:Tray |
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