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Maxim > Solutions > Computers: Desktops, Workstations, and Servers

I/O Power

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF Evaluation Kit for the MAX15038 and MAX15039
MAX15038EVKIT
QV  PDF Evaluation Kit for the MAX8655 and MAX8688
MAX8655EVKIT
QV  PDF High-Input-Voltage Quad-Output Controller
MAX17019

Highly Integrated Voltage Controller for Four Output Voltage Regulators in a 6mm x 6mm Package
QV  PDF 2.2MHz, 3A Buck or Boost Converters with an Integrated High-Side Switch
MAX15036, MAX15037

2.2MHz, High Switching Frequency, DC-DC Converters Deliver Up to 3A
QV  PDF Configurable, Single-/Dual-Output, Synchronous Buck Controller for High-Current Applications
MAX15034

Dual Converter Configurable for 25A Per Output or a Single 50A Output
QV  PDF 6A, 2MHz Step-Down Regulator with Integrated Switches
MAX15039

Smallest, Most Efficient, 6A Step-Down Regulator Switches Frequencies Up to 2MHz
QV  PDF 4A, 2MHz Step-Down Regulator with Integrated Switches
MAX15038

Smallest, Most Efficient, 4A Step-Down Regulator Switches Frequencies Up to 2MHz
QV  PDF Two-/Four-Channel, I²C, 7-Bit Sink/Source Current DAC
DS4422, DS4424

Low-Cost, Sink/Source Current DACs Simplify Power-Supply Margin Testing
QV  PDF 3A, 2MHz Step-Down Regulator with Integrated Switches
MAX8643A

Smallest, Most-Efficient 3A Step-Down Regulator Up to a 2.4MHz Frequency
QV  PDF 12V, 8A, 1.2MHz, Step-Down Regulator
MAX8654

A Broad Input Voltage (+4.5V to +12V) Step-Down Regulator with Integrated MOSFETs that Offers a Wealth of Features and Excellent Design Flexibility for High-Current (< 10A), High-Power Density POL Supplies
QV  PDF MAX5089 Evaluation Kit
MAX5089EVKIT
QV  PDF 1A, 40V, MAXPower Step-Down DC-DC Converters
MAX5080, MAX5081
QV  PDF Configurable, Single-/Dual-Output, Synchronous Buck Controller for High-Current Applications
MAX5066
QV  PDF 0.6V to 5.5V Output, Parallelable, Average-Current-Mode DC-DC Controllers
MAX5060, MAX5061
QV  PDF 2.2MHz, Dual-Output Buck or Boost Converter with Internal Power MOSFETs
MAX5073
QV  PDF Low-Dropout, Wide-Input-Voltage, Step-Down Controllers
MAX8597, MAX8598, MAX8599
QV  PDF High-Current, Low-Voltage Linear Regulator with Power-Limited, External MOSFET
MAX8704
QV  PDF Evaluation Kit for the MAX8544
MAX8544EVKIT
QV  PDF 3V to 28V Input, Low-Cost, Hysteretic Synchronous Step-Down Controllers
MAX8576, MAX8577, MAX8578, MAX8579
QV  PDF Step-Down Controllers with Prebias Startup, Lossless Sensing, Synchronization, and OVP
MAX8543, MAX8544
QV  PDF Dual-Synchronous Buck Controllers for Point-of-Load, Tracking, and DDR Memory Power Supplies
MAX8537, MAX8538, MAX8539
QV  PDF 4.5V to 28V Input, Synchronous PWM Buck Controllers for DDR Termination and Point-of-Load Applications
MAX8553, MAX8554

4.5V to 28V Input, Synchronous PWM Buck Controllers for DDR Termination and Point-of-Load Applications Offer Fastest Transient Response
QV  PDF Dual 180° Out-of-Phase Buck Controllers with Sequencing/Prebias Startup and POR
MAX1858A, MAX1875A, MAX1876A
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 3A, 2MHz Step-Down Regulator with Integrated Switches
MAX8643

Smallest, Most Efficient 3A Step-Down Regulator Up to a 2.4MHz Frequency
QV  PDF Highly Integrated, 25A, Wide-Input, Internal MOSFET, Step-Down Regulator
MAX8655

First Step-Down DC-DC Converter with +4.5V to +28V Input Voltage Range
and Up to 1.2MHz Programmable Switching Frequencies
QV  PDF Parallelable, Clamped Two-Switch Power-Supply Controller IC
MAX5051

Parallelable, Clamped, Two-Switch Power-Supply Controller IC for High-Efficiency Power Supplies
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 Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit
MAX8545, MAX8546, MAX8548

2.7V to 28V Input, 15A, Step-Down, DC-DC Controllers for Desktop and Graphic Card Supplies have Foldback Current Protection
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 2-Wire-Interfaced 8-Bit I/O Port Expander with Reset
MAX7310

2-Wire-Interfaced 8-Bit I/O Port Expander with Reset can Sink Up to 30mA per Port for SMBus™-Compatible and I²C-Compatible Applications
QV  PDF 3.6A, 1.4MHz, Low-Voltage, Internal-Switch Step-Down Regulator with Dynamic Output Voltage Control
MAX1536

3.6A, 1.4MHz, Low-Voltage, Internal Switch Step-Down Regulator with Dynamic Output-Voltage Control
QV  PDF High-Efficiency, Triple-Output, Keep-Alive Power Supply for Notebook Computers
MAX1534, MAX1534ETE

High-Efficiency, Triple-Output, Keep-Alive Power Supply for Notebook Computers
QV  PDF 1MHz, 1% Accurate, 6A Internal Switch Step-Down Regulators
MAX1945, MAX1945R, MAX1945S

Smallest 6A, 1MHz, 1%-Accurate Internal Switch Step-Down DC-DC
QV  PDF 1MHz, All-Ceramic, 2.6V to 5.5V Input, 2A PWM Step-Down DC-to-DC Regulators
MAX1951, MAX1952

1MHz, All-Ceramic, 2.6V to 5.5V Input, 2A PWM Step-Down DC-DC Regulators Require Only 10µF Ceramic Capacitor
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 Quick-PWM Step-Down Controllers with Inductor Saturation Protection and Dynamic Output Voltages
MAX1992, MAX1992ETG, MAX1993

Quick-PWM Step-Down Controllers with Inductor Saturation Protection and Dynamic Output Voltages
QV  PDF Dual-Phase, Parallelable, Average Current-Mode Controllers
MAX5038, MAX5041
QV  PDF Triple 128-Position Nonvolatile Digital Potentiometer
DS3903

LOWEST COST NONVOLATILE TRIPLE
POTENTIOMETER IDEAL FOR AUTOMATING
POWER-SUPPLY CALIBRATION
Eliminates Manual Factory Calibration Costs
QV  PDF VRM 9.0, Dual-Phase, Parallelable, Average Current-Mode Controller
MAX5037
QV  PDF Smallest 1A, 1.4MHz Step-Down Regulators
MAX1973, MAX1974
QV  PDF High-Speed Step-Down Controller for Notebook Computers
MAX1714, MAX1714A, MAX1714B

Low-Cost, Ultra-Fast, 1%-Accurate Controllers Power Next-Generation Notebook CPU Core and I/O
QV  PDF 2A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches
MAX1644

Industry's Smallest 2A DC-DC with Synchronous Rectifier
QV  PDF 3A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches
MAX1623

Industry's Smallest 3A DC-DC with Synchronous Rectifier
QV  PDF Miniature, Low-Voltage, Precision Step-Down Controller
MAX1637

Low-Voltage, Precision Step-Down Controller for Portable CPU Power
QV  PDF 100% Duty Cycle, Low-Noise, Step-Down, PWM DC-DC Converter
MAX887, MAX887H

Internal Power MOSFET and Current-Sense Reduces Component Count and Saves Space
QV  PDF Low-Cost, Low-Dropout, Dual Linear Regulator
MAX8862, MAX8862L, MAX8862R, MAX8862T

Dual High and Low-Power Linear Regulator Fits in Single Package to Save Space
QV  PDF 5V/3.3V or Adjustable, Low-Dropout, Low-IQ, 200mA Linear Regulator with Standby Mode
MAX882, MAX883, MAX884

250mA LDOs Consume Just 11µA at Any Load and in Dropout
QV  PDF Low-Dropout, 120mA Linear Regulators
MAX8863R, MAX8863S, MAX8863T, MAX8864R, MAX8864S, MAX8864T

SOT23 Low-Noise, Low-Dropout Regulator
QV  PDF 5V/3.3V or Adjustable, Low-Dropout, Low-IQ, 500mA Linear Regulators
MAX603, MAX604

Industry's Smallest 500mA LDO in SO-8 Footprint Handles Up to 1.8W Power Dissipation



Key Specifications:   Digital Potentiometers
Part Number Taper POTs Per Pkg. Control Interface Wiper Memory Number of Steps End-to-End Resistance (kΩ) Res. Tol. (%) Temp. Coeff. (typ)(ppm/°C) Wiper Resistance (typ) (Ω) Max. Idle State Supply Current @5V (µA) Features Smallest Available Package (max w/pins) (mm2)
DS3903  Linear 3 2-Wire Addressable Non-Volatile 128 10+10+90 20 300 250 250
•EEPROM Wiper Memory
 45
See All Digital Potentiometers (121)

Key Specifications:   I/O Port Expanders
Part Number Features Interface Inputs/Outputs Reset Input Over-Voltage Protection Drive Current (mA) Supply Voltage (min) (V) Supply Voltage (max) (V)
MAX7310 
•56 Slave IDs
 Serial 2-Wire 400kbit 8 Yes 5.5V 20 2.3 5.5
See All I/O Port Expanders (26)

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
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
See All Isolated Power Supplies (29)

Key Specifications:   Linear Regulators
Part Number Regulators per Pkg. Min. VIN (V) Max. VIN (V) Preset VOUT (V) Min. Adjustable VOUT (V) Max. Adjustable VOUT (V) Typ. VDROPOUT@ Rated ILOAD (V) Rated ILOAD (mA) Max. ICC (µA) Low Battery/ Power Fail Output Nominal POK/Reset Threshold (V) Watchdog Reverse Battery Protection Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX603  1 2.7 11.5 5.0 1.3 11.5 0.32 500 50 No  -  No No CDIP(N)/8
PDIP(N)/8
SOIC(N)/8 		31 0 to +70
MAX8863  1 2.5 5.5 2.8
2.84
3.15 		1.25 5.5 0.13 120 170 No  -  No Yes SOT/5 9 -40 to +85
MAX8864  1 2.5 5.5 2.8
2.84
3.15 		1.25 5.5 0.13 120 170 No  -  No Yes SOT/5 9 -40 to +85
MAX882  1 2.7 11.5 3.3 1.25 11 0.32 200 15 Yes  -  No No PDIP(N)/8
SOIC(N)/8 		31 -40 to +85
0 to +70
MAX883  1 2.7 11.5 5.0 1.25 11 0.22 200 15 Yes  -  No No PDIP(N)/8
SOIC(N)/8 		31 -40 to +85
0 to +70
MAX884  1 2.7 11.5 3.3 1.25 11 0.32 200 15 Yes  -  No No PDIP(N)/8
SOIC(N)/8 		31 -40 to +85
0 to +70
MAX8862  2 2.5 11.5 2.85
3.18
4.9 		2 11 0.2 250 330 No Vout-4% No Yes SOIC(N)/16 62 -40 to +85
MAX604  1 2.7 11.5 3.3 1.3 11.5 0.6 500 35 No  -  No No CDIP(N)/8
PDIP(N)/8
SOIC(N)/8 		31 -40 to +85
0 to +70
See All Linear Regulators (145)

Key Specifications:   Precision DACs (4-12 Bits)
Part Number Number of Bits Number of Channels Output Type Reference Max. INL (±LSB) Interface Min. Single Supply (V) Max. Single Supply (V) Operating Temp. Range (°C)
DS4422  7 2 Current- Buffered Ext. 1 Serial - I2C 2.7 5.5 -40 to +85
DS4424  7 4 Current- Buffered Ext. 1 Serial - I2C 2.7 5.5 -40 to +85
See All Precision DACs (4-12 Bits) (261)

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) Design Tools Package Smallest Available Package (max w/pins) (mm2)
MAX17019  5.5 38 0.75 36  -  5 5 Resistor 0.3 3 1000  -  TQFN/48 37
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
MAX15034  4.75 28 0.61 5.5  -  50 50 Resistor 17 2 1000  -  TSSOP-EP/28
TSSOP/28 		64
MAX15038  2.9 5.5 0.6 4.5  -  4 4 Digital/VID
Dyn. REF In
Resistor 		8 1 2000  -  TQFN/24 17
MAX15039  2.9 5.5 0.6 4.5  -  6 4 Digital/VID
Dyn. REF In
Resistor 		8 1 2000  -  TQFN/24 17
MAX8655  4.5 25 0.7 5.5  -  25 25 Resistor 3 1 1000 EE-Sim TQFN/56 66
MAX8643A  2.35 3.6 0.6 2.5  -  3 3 Digital/VID 6.5 1 2000  -  TQFN/24 17
MAX8654  4.5 14 0.6 12  -  8 8 Resistor 3 1 1200 EE-Sim TQFN/36 37
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
MAX5066  4.75 28 0.61 5.5  -  25 25 Resistor 20 1 1000  -  TSSOP-EP/28 64
MAX5080  4.5 40 1.23 32  -  1 1 Resistor 2.5 1 250  -  TQFN/16 26
MAX5081  7.5 40 1.23 32  -  1 1 Resistor 2.3 1 250  -  TQFN/16 26
MAX5060  4.75 28 0.6 5.5  -  30 30 Resistor 5.5 1 1500  -  TQFN/28 26
MAX5061  4.75 28 0.6 5.5  -  30 30 Resistor 5.5 1 1500  -  TSSOP-EP/16 33
MAX5073  5.5 23 0.8 28  -  2 2 Resistor 4 2 2200  -  TQFN/28 26
MAX8597  4.5 28 0.6 28  -  20 20 Resistor 5 1 1400  -  TQFN/20 17
MAX8598  4.5 28 0.6 28  -  20 20 Resistor 5 1 1400  -  TQFN/16 17
MAX8599  4.5 28 0.6 28  -  20 20 Resistor 5 1 1400  -  TQFN/16 17
MAX8576  3 28 0.6 25  -  15 15 Resistor 3 1 500  -  µMAX/10 15
MAX8577  3 28 0.6 25  -  15 15 Resistor 3 1 500  -  µMAX/10 15
MAX8578  3 28 0.6 25  -  15 15 Resistor 3 1 500  -  µMAX/10 15
MAX8579  3 28 0.6 25  -  15 15 Resistor 3 1 500  -  µMAX/10 15
MAX8543  3 13.2 0.8 11  -  25 25 Resistor 3 1 1000  -  QSOP/16 31
MAX8544  3 13.2 0.8 11  -  25 25 Resistor 3 1 1000  -  QSOP/20 54
MAX8537  4.5 23 0.8 3.6  -  30 30 Resistor 7 2 1400  -  QSOP/28 62
MAX8538  4.5 23 0.8 3.6  -  30 30 Resistor 7 2 1400  -  QSOP/28 62
MAX8539  4.5 23 0.8 3.6  -  30 30 Resistor 7 2 1400  -  QSOP/28 62
MAX1858A  4.5 23 0.8 18  -  10 10 Resistor 6 2 600  -  QSOP/24 54
MAX1875A  4.5 23 0.8 18  -  10 10 Resistor 6 2 600  -  QSOP/24 54
MAX1876A  4.5 23 0.8 18  -  10 10 Resistor 6 2 600  -  QSOP/24 54
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
MAX8553  4.5 28 0 3.6  -  25 25 Dyn. REF In
Resistor 		1.2 1 550  -  QSOP/16 31
MAX8554  4.5 28 0.6 3.5  -  25 25 Resistor 1.2 1 550  -  QSOP/16 31
MAX1945  2.6 5.5 0.8 4.5 1.8
2.5 		6 6 Preset
Resistor 		20 1 500  -  TSSOP-EP/28 64
MAX1951  2.6 5.5 0.8 5  -  2 2 Resistor 10 1 1000  -  SOIC(N)/8 31
MAX1952  2.6 5.5 1.8 1.8 1.8 2 2 Resistor 10 1 1000  -  SOIC(N)/8 31
MAX8545  2.7 28 0.8 23  -  15 15 Resistor 1.2 1 300  -  µMAX/10 15
MAX8546  2.7 28 0.8 23  -  15 15 Resistor 1.2 1 300  -  µMAX/10 15
MAX8548  2.7 28 0.8 23  -  15 15 Resistor 1.2 1 100  -  µMAX/10 15
MAX1534  4.5 24 1 5.5 1.8
3.3
5.0 		0.3 0.3 Preset
Resistor 		0.03 1 200  -  TQFN/16 17
MAX1992  2 28 0.7 5.5 1.8
2.5 		4 4 Preset
Resistor 		0.8 1 300  -  TQFN/24 17
MAX1993  2 28 0.7 5.5 1.8
2.5 		4 4 Preset
Resistor 		0.8 1 300  -  TQFN/24 17
MAX5037  4.75 28 1.1 1.85  -  60 60 Digital/VID 6 1 500  -  MQFP/44
TQFN/44 		50
MAX5038  4.75 28 1.2 3.3 1.2
1.5
1.8
2.5
3.3 		60 60 Preset 10 1 500  -  SSOP/28 82
MAX5041  4.75 28 1 3.3  -  60 60 Resistor 10 1 500  -  SSOP/28 82
MAX1973  2.6 5.5 1.25 5 1.8
2.5 		0.95 0.95 Preset
Resistor 		7.5 1 1400  -  µMAX/10 15
MAX1974  2.6 5.5 0.75 5 1.0
1.5 		0.95 0.95 Preset
Resistor 		7.5 1 1400  -  µMAX/10 15
MAX1536  3 5.5 0.7 5.5  -  3.6 3.6 Dyn. REF In
Resistor 		0.75 1 1400  -  TQFN/28 26
MAX1623  4.5 5.5 1.1 3.8 2.5
3.3 		3 3 Preset
Resistor 		0.525 1 350  -  SSOP/20 58
MAX1714A  2 28 1 5.5 2.5
3.3 		8 8 Preset
Resistor 		0.04 1 600  -  QSOP/16
QSOP/20 		31
MAX1714B  2 28 1 5.5 2.5
3.3 		8 8 Preset
Resistor 		0.04 1 600  -  QSOP/16
QSOP/20 		31
MAX1644  3 5.5 1.1 5.5 2.5
3.3 		2 2 Preset
Resistor 		0.36 1 350  -  SSOP/16 50
MAX1637  3.15 5.5 1.1 5.5  -  7 7 Resistor 0.5 1 350  -  QSOP/16 31
MAX887  3.5 11 1.25 10  -  0.6 0.6 Resistor 0.5 1 440  -  SOIC(N)/8 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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