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Maxim > 方案 > IP电话

用于PSE的电源产品

数据资料
显示 标题/型号 关键优势
QV  PDF 内置MOSFET的电源IC，用于隔离型IEEE 802.3af PD和电信电源
MAX5074

IEEE 802.3af电源IC，内置功率MOSFET，可减小PoE电源的尺寸、降低成本
QV  PDF 高性能、单端、电流模式PWM控制器
MAX5070, MAX5071

1MHz、单端、电流模式PWM控制器，引脚兼容于UC2842/UC2844系列
QV  PDF 高频、电流模式PWM控制器，带有精密的振荡器和双FET驱动器
MAX5069

2.5MHz、通用输入、双输出PWM控制器，具有精密的可编程开关频率和开启/停止电压
QV  PDF 高频、电流模式PWM控制器，带有精密的可编程振荡器
MAX5068

1.25MHz、通用输入、电流模式PWM控制器，具有精确的可编程开关频率和开启/停止电压
QV  PDF 可并联、钳位双开关电源控制器IC
MAX5051

可并联、带钳位、双开关电源控制器IC，用于高效供电
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，集成启动电路
MAX5019, MAX5020
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
QV  PDF 高压PWM电源控制器
MAX5003



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
MAX5074  11 76 Flyback
Two-Switch Forward
•Adjustable Frequency
•Internal Power MOSFET(s)
•Synchronous Rectifier Driver
•Thermal Shutdown
•UVLO
 Voltage Mode Opto 500 50 2 4.4  -  -40 to +125
MAX5070  11 26.5 Flyback
Single-Ended Forward
•Adjustable Frequency
•High Voltage Start-Up Circuit
•Internal Error Amplifier
•Thermal Shutdown
•UVLO
 Current Mode Linear
Opto 		1,000 50
100 		0.032 3 2 -40 to +125
MAX5071  11 26.5 Single-Ended Forward
•Adjustable Frequency
•High Voltage Start-Up Circuit
•Internal Error Amplifier
•Synchronizable Freqeuncy
•Synchronous Rectifier Driver
•Thermal Shutdown
•UVLO
 Current Mode Linear
Opto 		1,000 50
100 		0.032 3 2 -40 to +125
MAX5069  10.8 24 Full-Bridge
Half-Bridge
Push-Pull
•Adjustable Frequency
•High Voltage Start-Up Circuit
•Internal Error Amplifier
•Synchronizable Freqeuncy
•Thermal Shutdown
•UVLO
 Current Mode Linear
Opto 		2,500 50 0.09 3 1 -40 to +125
MAX5068  10.8 24 Flyback
Single-Ended Forward
•Adjustable Frequency
•High Voltage Start-Up Circuit
•Internal Error Amplifier
•Synchronizable Freqeuncy
•Thermal Shutdown
•UVLO
 Current Mode Linear
Opto 		1,250 50
75 		0.09 2.5 1 -40 to +125
MAX5051  11 76 Flyback
Single-Ended Forward
Two-Switch Forward
•Adjustable Frequency
•High Voltage Start-Up Circuit
•Internal Error Amplifier
•Synchronizable Freqeuncy
•Synchronous Rectifier Driver
•Thermal Shutdown
•UVLO
 Voltage Mode Linear
Opto 		500 48  -  8 5 -40 to +125
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
MAX5019  13 110 Flyback
•High Voltage Start-Up Circuit
•Internal Error Amplifier
•Thermal Shutdown
•UVLO
 Current Mode Linear
Opto 		275 85  -  1.6 1 -40 to +85
0 to +70
MAX5020  13 110 Single-Ended Forward
•High Voltage Start-Up Circuit
•Internal Error Amplifier
•Thermal Shutdown
•UVLO
 Current Mode Linear
Opto 		275 50  -  1.6 1 -40 to +85
0 to +70
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
MAX5003  11 110 Flyback
Single-Ended Forward
•Adjustable Frequency
•High Voltage Start-Up Circuit
•Internal Error Amplifier
•Synchronizable Freqeuncy
•Thermal Shutdown
•UVLO
 Voltage Mode Linear
Opto 		1,200 75  -  1.2 1 -40 to +85
See All Isolated Power Supplies (29)
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