参数资料
型号: MAX5941BESE+
厂商: Maxim Integrated Products
文件页数: 19/24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: -40°C ~ 85°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
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (PWM Controller) (continued)
(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
V+ Shutdown Current
VSS_SHDN = 0V, V+ = 67V
190
290
A
VDD Shutdown Current
VSS_SHDN = 0V
8
20
A
PREREGULATORS/STARTUP
V+ Input Voltage
18
67
V
VDD Supply Voltage
13
36
V
INTERNAL REGULATORS
Powered from V+, ICC = 7.5mA, VDD = 0V
7.5
9.8
12
VCC Output Voltage
Powered from VDD, ICC = 7.5mA
9.0
10.0
11.0
V
VCC Undervoltage Lockout
VCC_UVLO
VCC falling
6.6
V
OUTPUT DRIVER
Peak Source Current
VCC = 11V (externally forced)
570
mA
Peak Sink Current
VCC = 11V (externally forced)
1000
mA
NDRV High-Side Driver
Resistance
ROH
VCC = 11V, externally forced, NDRV
sourcing 50mA
412
NDRV Low-Side Driver
Resistance
ROL
VCC = 11V, externally forced, NDRV sinking
50mA
1.6
4
PWM COMPARATOR
OPTO Input Bias Current
VOPTO = VSS_SHDN
-1.00
+1.00
A
OPTO Control Range
23
V
Slope Compensation
VSCOMP
MAX5941A
26
mV/s
THERMAL SHUTDOWN
Thermal Shutdown Temperature
150
°C
Thermal Hysteresis
25
°C
CURRENT LIMIT
CS Threshold Voltage
VILIM
VOPTO = 4V
419
465
510
mV
CS Input Bias Current
0V
≤ VCS ≤ 2V, VOPTO = 4V
-1
+1
A
Current-Limit Comparator
Propagation Delay
25mV overdrive on CS, VOPTO = 4V
180
ns
CS Blanking Time
VOPTO = 4V
70
ns
OSCILLATOR
Clock Frequency Range
VOPTO = 4V
235
275
314
kHz
MAX5941A, VOPTO = 4V
75
85
Max Duty Cycle
MAX5941B, VOPTO = 4V
44
50
%
SOFT-START
SS Source Current
ISSO
VSS(SHDN) = 0V
2.0
4.6
6.5
A
SS Sink Current
1mA
Peak Soft-Start Voltage Clamp
No external load
2.331
2.420
2.500
V
VSS_SHDN falling (Note 11)
0.25
0.37
0.41
Shutdown Threshold
VSS_SHDN rising (Note 11)
0.53
0.59
0.65
V
相关PDF资料
PDF描述
VI-J3P-IW-F4 CONVERTER MOD DC/DC 13.8V 100W
182314 CONN PLUG MINI-UHF STR LMR200
VI-J3N-IW-F3 CONVERTER MOD DC/DC 18.5V 100W
PIC18F23K20T-I/SO IC PIC MCU FLASH 4KX16 28-SOIC
PIC16F1512-I/SO IC MCU 8BIT 3.5KB FLASH 28-SOIC
相关代理商/技术参数
参数描述
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
MAX5941BESE+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
MAX5941BESE-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
MAX5941BEVKIT 制造商:Maxim Integrated Products 功能描述:IEEE 802.3AF-COMPLIANT POWER-OVER-ETHERNET IN - Bulk
MAX5942ACSE 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