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Maxim > 方案 > 802.11a/b/g无线LAN

符合802.3af标准的电源

数据资料
显示 标题/型号 关键优势
QV  PDF µPMIC,用于便携式设备中的微处理器或DSP
MAX8620Y

降压型DC-DC,在微小的TDFN封装内集成了2路LDO和复位电路,用于便携式微处理器供电
QV  PDF 符合IEEE 802.3af标准的以太网供电接口/PWM控制器,适用于用电设备
MAX5941A, MAX5941B

业内首款完全集成的、符合IEEE 802.3af以太网供电标准的电源IC
QV  PDF 电流模式PWM控制器,可调节开关频率
MAX15000, MAX15001

隔离/非隔离型、电流模式PWM控制器,采用微型10引脚µMAX封装,开关频率可在12.5kHz至625kHz之间调节
QV  PDF 电流模式PWM控制器,带有误差放大器,适用于隔离型/非隔离型电源
MAX5052, MAX5052A, MAX5052B, MAX5053, MAX5053A, MAX5053B

隔离/非隔离电流模式PWM控制器,适合通用的离线、电信或12V输入系统
QV  PDF 电流模式PWM控制器,集成了启动电路,用于隔离型电源
MAX5014, MAX5015




Key Specifications:   Isolated Power Supplies
Part Number VIN (min) (V) VIN (max) (V) Topology Features Control Loop Feedback Type Frequency (kHz) Max. Duty Cycle (%) Start-Up Current (max) (mA) Operating Current, ICC (max) (mA) Gate Drive Current (A) Operating Temp. Range (°C)
MAX15000   -   -  Flyback
Single-Ended Forward
Adjustable Frequency
High Voltage Start-Up Circuit
Internal Error Amplifier
Thermal Shutdown
UVLO
Current Mode Primary Side 625 50
75
0.09 2 1 -40 to +85
MAX15001  9.5 24 Flyback
Single-Ended Forward
Adjustable Frequency
High Voltage Start-Up Circuit
Internal Error Amplifier
Thermal Shutdown
UVLO
Current Mode Primary Side 625 50
75
0.09 2 1 -40 to +85
MAX5052  21.6 375 Flyback
Single-Ended Forward
High Voltage Start-Up Circuit
Internal Error Amplifier
Thermal Shutdown
UVLO
Current Mode Linear
Opto
262 50
75
0.045 1.4 1 -40 to +85
MAX5053  10.8 24 Flyback
Single-Ended Forward
High Voltage Start-Up Circuit
Internal Error Amplifier
Thermal Shutdown
UVLO
Current Mode Linear
Opto
262 50
75
0.045 1.4 1 -40 to +85
MAX5014  13 110 Flyback
High Voltage Start-Up Circuit
Thermal Shutdown
UVLO
Current Mode Opto 275 85  -  1.4 1 -40 to +85
0 to +70
MAX5015  13 110 Single-Ended Forward
High Voltage Start-Up Circuit
Thermal Shutdown
UVLO
Current Mode Opto 275 50  -  1.4 1 -40 to +85
0 to +70
See All Isolated Power Supplies (29)

Key Specifications:   Multifunction PMICs
Part Number Primary Topology Monitor/Control Features DC-DC/Power Features VIN (min) (V) VIN (max) (V) Min. VOUT (V) Max. VOUT (V) IOUT (A) IOUT (A) Operating Freq. (kHz) Package
MAX8620Y  Step-Down Reset Output
Shutdown
Adj. Frequency
Current Limit
Internal Pwr. FETs
Soft Start
Sync. Rectifier
2.7 5.5 0.6 3.3 0.5 0.5 4000 THIN QFN (Dual)/14
See All Multifunction PMICs (76)

Key Specifications:   Powered Devices
Part Number IEEE Compliance PD MOSFET RDS(ON) (Ω) Includes PWM Switching Frequency (kHz) Protection Features Programmable UVLO Package Operating Temp. Range (°C)
MAX5941  802.3af 0.6 Yes 275 Programmable Inrush Current Yes SOIC/16 -40 to +85
See All Powered Devices (4)




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