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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 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
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
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
MAX5021  24 375 Single-Ended Forward
•High Voltage Start-Up Circuit
•Thermal Shutdown
•UVLO
 Current Mode Opto 262 50 0.085 2.43 0.25 -40 to +85
MAX5022  24 375 Flyback
•High Voltage Start-Up Circuit
•Thermal Shutdown
•UVLO
 Current Mode Opto 262 75 0.085 2.43 0.25 -40 to +85
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)

Key Specifications:   Step-Down Switching Regulators
Part Number VIN (min) (V) VIN (max) (V) Min. VOUT (V) Max. VOUT (V) Preset VOUT (V) IOUT (A) IOUT (A) Output Adj. Method Operating Current, ICC (max) (mA) Number of DC-DC Outputs Operating Freq. (kHz) Package Smallest Available Package (max w/pins) (mm2)
MAX15036  4.5 23  -   -   -   -   -  Resistor 2.5 1 2200 TQFN/16 26
MAX15037  4.5 23 0.6 23  -  3 3 Resistor 2.5 1 2200 TQFN/16 26
MAX15022  2.5 5.5 0.6 5.5  -   -   -  Resistor 6 2 4000 TQFN/28 26
MAX15021  2.5 5.5 0.6 5.5  -   -   -  Resistor 6 2 4000 TQFN/28 26
MAX5088  4.5 23 0.6 20  -  2 2 Resistor 2.5 1 2200 TQFN/16 26
MAX5089  4.5 23 0.6 20  -  2 2 Resistor 2.5 1 2200 TQFN/16 26
MAX5073  5.5 23 0.8 28  -  2 2 Resistor 4 2 2200 TQFN/28 26
MAX5033  7.5 76 1.25 13.2 3.3
5.0
12 		0.5 0.5 Preset
Resistor 		0.5 1 125 PDIP(N)/8
SOIC(N)/8 		31
MAX8505  2.6 5.5 0.8 4.5  -  3 3 Resistor 10 1 1000 QSOP/16 31
See All Step-Down Switching Regulators (252)

Key Specifications:   Step-Up Switching Regulators
Part Number VIN (min) (V) VIN (max) (V) Min. VOUT (V) Max. VOUT (V) IOUT (A) IOUT (A) Output Adj. Method Operating Current, ICC (max) (mA) Number of DC-DC Outputs Operating Freq. (kHz) Package Smallest Available Package (max w/pins) (mm2)
MAX15036  4.5 23  -   -   -   -  Resistor 2.5 1 2200 TQFN/16 26
MAX5073  5.5 23 0.8 28 2 2 Resistor 4 2 2200 TQFN/28 26
See All Step-Up Switching Regulators (94)
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