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Maxim > Solutions > IP Phones

Power Supply Products for PD

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF Dual, 4A/2A, 4MHz, Step-Down DC-DC Regulator with Dual LDO Controllers
MAX15022

4MHz, Dual Synchronous Regulator Delivers 4A/2A in a Small 5mm × 5mm Package
QV  PDF Dual, 4A/2A, 4MHz, Step-Down DC-DC Regulator with Tracking/Sequencing Capability
MAX15021

4MHz, Dual Synchronous Regulator Delivers 4A/2A in a Small 5mm × 5mm Package
QV  PDF MAX5089 Evaluation Kit
MAX5089EVKIT
QV  PDF 2.2MHz, Dual-Output Buck or Boost Converter with Internal Power MOSFETs
MAX5073
QV  PDF Power IC with Integrated MOSFETs for Isolated IEEE 802.3af PD and Telecom Power-Supply Applications
MAX5074

IEEE 802.3af Power-Supply IC Integrates Power MOSFETs, Reducing Power-Supply Size and Cost for POE
QV  PDF High-Performance, Single-Ended, Current-Mode PWM Controllers
MAX5070, MAX5071

1MHz, Single-Ended, Current-Mode PWM Controllers Pin Compatible with UC2842/UC2844 Series
QV  PDF High-Frequency, Current-Mode PWM Controller with Accurate Programmable Oscillator
MAX5068

1.25MHz, Universal-Input, Current-Mode PWM Controller with Precision-Programmable Switching Frequency and Start/Stop Voltage
QV  PDF 3A, 1MHz, 1% Accurate, Internal Switch Step-Down Regulator with Power-OK
MAX8505
QV  PDF 2.2MHz, 2A Buck Converters with an Integrated High-Side Switch
MAX5088, MAX5089

Up to 2.2MHz Switching Frequency Prevents Harmonics from Interfering in the ADSL2+ and Automotive AM Radio Frequency Bands
QV  PDF 500mA, 76V, High-Efficiency, MAXPower Step-Down DC-DC Converter
MAX5033

500mA, 76V, High-Efficiency, MAXPower™ Step-Down DC-DC Converter Consumes Only 350µA Quiescent Current at No Load
QV  PDF Current-Mode PWM Controllers with Programmable Switching Frequency
MAX15000, MAX15001

Isolated/Nonisolated Current-Mode PWM Controllers in Tiny 10-Pin µMAX Packages with Adjustable Frequency from 12.5kHz to 625kHz
QV  PDF Current-Mode PWM Controllers with an Error Amplifier for Isolated/Nonisolated Power Supplies
MAX5052, MAX5052A, MAX5052B, MAX5053, MAX5053A, MAX5053B

Isolated/Nonisolated Current-Mode PWM Controllers Work with Universal Offline, Telecom, or 12V Input Voltage
QV  PDF Current-Mode PWM Controllers with Integrated Startup Circuit
MAX5019, MAX5020
QV  PDF Current-Mode PWM Controllers with Integrated Startup Circuit for Isolated Power Supplies
MAX5014, MAX5015
QV  PDF Current-Mode PWM Controllers for Isolated Power Supplies
MAX5021, MAX5022

SOT23 Universal Off-Line Power Supply Controller
QV  PDF High-Voltage PWM Power-Supply Controller
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 (413)


         


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