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Maxim > 方案 > IP电话

用于PD的电源产品

数据资料
显示 标题/型号 关键优势
QV  PDF 2.2MHz、3A buck或boost转换器，集成高边开关
MAX15036, MAX15037

2.2MHz高开关频率、DC-DC转换器，驱动电流高达3A
QV  PDF 双路、4A/2A、4MHz、降压型DC-DC调节器，提供双LDO控制器
MAX15022

4MHz、双通道同步整流调节器，能够提供4A/2A电流，采用小尺寸5mm x 5mm封装
QV  PDF 双通道、4A/2A、4MHz、降压型DC-DC调节器，提供跟踪/排序功能
MAX15021

4MHz、双通道同步整流调节器，能够提供4A/2A电流，采用小尺寸5mm x 5mm封装
QV  PDF MAX5089评估板
MAX5089EVKIT
QV  PDF 2.2MHz、双输出、buck或boost转换器，内置功率MOSFET
MAX5073
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 3A、1MHz、1%精确度、内置开关的降压型调节器，带有电源就绪指示
MAX8505
QV  PDF 2.2MHz、2A buck转换器，集成高边开关
MAX5088, MAX5089

高达2.2MHz的开关频率可避免音频噪声干扰ADSL2+和车载AM无线频段
QV  PDF 500mA、76V、高效率、MAXPower降压型DC-DC转换器
MAX5033

500mA、76V、高效率、MAXPower™降压型DC-DC转换器，空载时仅消耗350µA静态电流
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 电流模式PWM控制器，用于隔离型电源
MAX5021, MAX5022

SOT23通用离线式电源控制器
QV  PDF 高压PWM电源控制器
MAX5003



Key Specifications:   Isolated Power Supplies
Part Number Application (Nominal Input Voltage) 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) Current Sense Threshold (mV) EV-Kit Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX15000 
•Networking (48V)
•Power Over Ethernet (32-58V)
•Universal Off-line (90-240VAC)
  -   -  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 1,000 No uMAX/10 15 -40 to +85
MAX15001 
•Base Station (24V)
•Industrial (24V)
 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 1,000 No uMAX/10 15 -40 to +85
MAX5074 
•Base Station (24V)
•Industrial (24V)
•Networking (48V)
•Power Over Ethernet (32-58V)
•Telecom (36-72V)
 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  -  156 Yes TSSOP/20 43 -40 to +125
MAX5070 
•Base Station (24V)
•Industrial (24V)
•Networking (48V)
•Power Over Ethernet (32-58V)
•Telecom (36-72V)
•Universal Off-line (90-240VAC)
 11 26.5 Flyback
Single-Ended Forward
•Adjustable Frequency
•High Voltage Start-Up Circuit
•Internal Error Amplifier
•Thermal Shutdown
•UVLO
 Current Mode Linear
Opto 		1,000 100
50 		0.032 3 2 1,000 No SOIC/8
uMAX/8 		16 -40 to +125
MAX5071 
•Base Station (24V)
•Industrial (24V)
•Networking (48V)
•Power Over Ethernet (32-58V)
•Telecom (36-72V)
•Universal Off-line (90-240VAC)
 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 		1,000 100
50 		0.032 3 2 1,000 No SOIC/8
uMAX/8 		16 -40 to +125
MAX5068 
•Networking (48V)
•Telecom (36-72V)
•Universal Off-line (90-240VAC)
 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 1 314 No TSSOP/16 33 -40 to +125
MAX5052 
•Networking (48V)
•Power Over Ethernet (32-58V)
•Telecom (36-72V)
•Universal Off-line (90-240VAC)
 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 1 291 Yes uMAX/8 16 -40 to +85
MAX5053 
•Base Station (24V)
•Industrial (24V)
 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 1 291 No uMAX/8 16 -40 to +85
MAX5019 
•Base Station (24V)
•Industrial (24V)
•Networking (48V)
•Power Over Ethernet (32-58V)
•Telecom (36-72V)
 13 110 Flyback
•High Voltage Start-Up Circuit
•Internal Error Amplifier
•Thermal Shutdown
•UVLO
 Current Mode Linear
Opto 		275 85  -  1.6 1 465 No SOIC/8 31 -40 to +85
0 to +70
MAX5020 
•Base Station (24V)
•Industrial (24V)
•Networking (48V)
•Power Over Ethernet (32-58V)
•Telecom (36-72V)
 13 110 Single-Ended Forward
•High Voltage Start-Up Circuit
•Internal Error Amplifier
•Thermal Shutdown
•UVLO
 Current Mode Linear
Opto 		275 50  -  1.6 1 465 No SOIC/8 31 -40 to +85
0 to +70
MAX5014 
•Base Station (24V)
•Industrial (24V)
•Networking (48V)
•Power Over Ethernet (32-58V)
•Telecom (36-72V)
 13 110 Flyback
•High Voltage Start-Up Circuit
•Thermal Shutdown
•UVLO
 Current Mode Opto 275 85  -  1.4 1 465 Yes SOIC/8 31 -40 to +85
0 to +70
MAX5015 
•Base Station (24V)
•Industrial (24V)
•Networking (48V)
•Power Over Ethernet (32-58V)
•Telecom (36-72V)
 13 110 Single-Ended Forward
•High Voltage Start-Up Circuit
•Thermal Shutdown
•UVLO
 Current Mode Opto 275 50  -  1.4 1 465 Yes SOIC/8 31 -40 to +85
0 to +70
MAX5021 
•Networking (48V)
•Power Over Ethernet (32-58V)
•Telecom (36-72V)
•Universal Off-line (90-240VAC)
 24 375 Single-Ended Forward
•High Voltage Start-Up Circuit
•Thermal Shutdown
•UVLO
 Current Mode Opto 262 50 0.085 2.43 0.25 600 No PDIP/8
SOT-23/6
uMAX/8 		9 -40 to +85
MAX5022 
•Networking (48V)
•Power Over Ethernet (32-58V)
•Telecom (36-72V)
•Universal Off-line (90-240VAC)
 24 375 Flyback
•High Voltage Start-Up Circuit
•Thermal Shutdown
•UVLO
 Current Mode Opto 262 75 0.085 2.43 0.25 600 No PDIP/8
SOT-23/6
uMAX/8 		9 -40 to +85
MAX5003 
•Base Station (24V)
•Industrial (24V)
•Networking (48V)
•Power Over Ethernet (32-58V)
•Telecom (36-72V)
 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 1 100 Yes QSOP/16
SOIC/16 		31 -40 to +85
See All Isolated Power Supplies (29)

Key Specifications:   Switch-Mode DC-DC Power Supplies
Part Number Topology VIN (min) (V) VIN (max) (V) Number of DC-DC Outputs Preset VOUT (V) Digital/VID Programmed Output Min. Adjustable VOUT (V) Max. Adjustable VOUT (V) IOUT (A) Operating Current, ICC (max) (mA) Fixed Freq/PWM Operation Operating Freq. (kHz) Internal Power Switch(es) Synchronous Rectifier Industry Qualified Package Smallest Available Package (max w/pins) (mm2)
MAX5088  Step-Down 4.5 23 1  -  No 0.6  -  2 2.5 Yes  -  Yes No Automotive - General THIN QFN/16 26
MAX5089  Step-Down 4.5 23 1  -  No 0.6  -  2 2.5 Yes  -  Yes No Automotive - General THIN QFN/16 26
MAX5033  Step-Down 7.5 76 1 12
3.3 		No 1.25 13.2 0.5 0.5 Yes 125 Yes No Automotive - General PDIP/8
SOIC/8 		31
MAX8505  Step-Down 2.6 5.5 1  -  No 0.8 4.5 3 10 Yes 1000
500 		Yes Yes  -  QSOP/16 31
MAX5073  Step-Down
Step-Up 		5.5 23 2  -  No 0.8 28 2 4 Yes  -  Yes No Automotive - AECQ100
Automotive - General 		THIN QFN/28
THIN QFN/32 		26
See All Switch-Mode DC-DC Power Supplies (421)


         


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