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

CPU Power

DATA SHEETS
Display Title/Parts Key Advantages
QV  PDF Dual-Channel, I²C Adjustable Sink/Source Current DAC
DS4432

Inexpensive Power-Supply Margining Made Easy
QV  PDF AMD Mobile Serial VID Dual-Phase Fixed-Frequency Controller
MAX17009

Two-Phase Fixed-Frequency Controller for AMD's Serial VID Interface (SVI) CPU Core Supplies
QV  PDF Evaluation Kit for the MAX8655 and MAX8688
MAX8655EVKIT

QV  PDF Single/Dual, 16ns, High Sink/Source Current Gate Drivers
MAX15024, MAX15025

4A, 20ns, Dual MOSFET Drivers Available in 3mm x 3mm, Thermally Enhanced TDFN Package
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 Dual-Channel, I²C Adjustable Sink/Source Current DAC
DS4412

Inexpensive Power Supply Control Made Easy
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 Dual, 5A, 1.5MHz, Step-Down Regulator with Integrated High-Side Switches
MAX8653

First Step-Down DC-DC Converter with Integrated MOSFETs,
REFIN for Tracking and DDR Termination, Enable and POK for Sequencing
QV    1- to 8-Phase, Master-Slave CPU Core Regulator with Integrated Power MOSFETs
MAX8657, MAX8658, MAX8659

25A/Phase VRM Regulator Chipset for VRD10/VRD11 and K8
Has Reference Input to Support Up to 200A Output
QV  PDF VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers
MAX8809A, MAX8810A

Peak Current-Mode Control Combined with Maxim's Proprietary Rapid Active Current Averaging (RA²) for Excellent Current-Sharing Accuracy, Fast, Accurate Voltage Positioning, and Superior Transient Response
QV  PDF ORing MOSFET Controller with Ultra-Fast 200ns Turn-Off
MAX5079

QV  PDF Evaluation Kit for the MAX8544
MAX8544EVKIT

QV  PDF 4A, 20ns, MOSFET Driver
MAX5078

4A, 20ns MOSFET Driver in 3mm x 3mm TDFN Power Package for Ultra-Compact, High-Frequency Power Supplies
QV  PDF 4A, 20ns, Dual MOSFET Drivers
MAX5054, MAX5055, MAX5056, MAX5057

4A, 20ns, Dual MOSFET Driver Available in 3mm x 3mm, Thermally Enhanced TDFN Package
QV  PDF Step-Down Controllers with Prebias Startup, Lossless Sensing, Synchronization, and OVP
MAX8543, MAX8544

QV  PDF Dual-Phase, +0.6V to +3.3V Output Parallelable, Average-Current-Mode Controllers
MAX5065, MAX5067

Dual-Phase, +0.6V to +3.3V Output, Parallelable, Average-Current-Mode Controllers
QV  PDF High-Speed, Wide-Input, Single-Phase MOSFET Driver
MAX8552

High-Speed, Wide-Input, Single-Phase MOSFET Driver has 0.1µA Quiescent Current, 6V to 24V Input for High-Performance Desktops, Servers, and Notebooks
QV  PDF VRM 9.0/VRM 9.1, Dual-Phase, Parallelable, Average-Current-Mode Controller
MAX5037A

QV  PDF Dual-Phase, Parallelable, Average-Current-Mode Controllers
MAX5038A, MAX5041A

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 High-Speed, Dual-Phase Driver with Integrated Boost Diodes
MAX8811

High Gate-Drive Strength Provides Extremely Fast Rise and Fall Times, Allowing Designers to Use Either Low-Cost (High Gate Capacitance) MOSFETs or Drive Multiple Parallel MOSFETs in High-Current Applications
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 2- to 8-Phase VRM 10/9.1 PWM Controllers with Precise Current Sharing and Fast Voltage Positioning
MAX8524, MAX8525

QV  PDF High-Speed, Dual-Phase Gate Driver for Multiphase, Step-Down Converters
MAX8523

Highest Accuracy, Scalable, VRD/VRM-10 Power Chipset Reduces Capacitance by 60% in Servers and Desktops
QV  PDF Dual-Phase, Quick-PWM Controllers for Programmable CPU Core Power Supplies
MAX1519, MAX1545

QV  PDF Dual-Phase, Quick-PWM Controller for AMD Hammer CPU Core Power Supplies
MAX1544

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 Two-Phase Desktop CPU Core Supply Controllers with Controlled VID Change
MAX1937, MAX1938, MAX1939

QV  PDF 50ppm/°C Precision Micropower Shunt Voltage References with Multiple Reverse Breakdown Voltages
LM4050, LM4050A, LM4050B, LM4050C, LM4051, LM4051A, LM4051B, LM4051C

Industry Standard 50ppm/°C Voltage Reference Fits in SC70
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 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 High-Speed, Digitally Adjusted Step-Down Controllers for Notebook CPUs
MAX1710, MAX1711, MAX1712

Digitally Adjustable Step-Down Controller Powers 12A Mobile Processors with Only Four Output Capacitors



Key Specifications:  Precision DACs (4-12 Bits)
Part Number Resolution Bits Channels Output Type Reference INL
(±LSB)
Interface Supply Range
(V)
Supply Range
(V)
Oper. Temp.
(°C)
max min max
DS4432  7 2 Current- Buffered Ext. 1 Serial - I2C 2.7 5.5 -40 to +85
DS4422  7 2
DS4424  7 4
DS4412  4 2
See All Precision DACs (4-12 Bits) (261)

Key Specifications:  Digital Potentiometers
Part Number Taper POTs Control Interface Wiper Memory Steps REND-TO-END
(kΩ)
Res. Tol.
(%)
Temp. Coeff.
(ppm/°C)
Wiper Resistance
(Ω)
ICC @5V
(µA)
Smallest Available Pckg.
(mm2)
typ typ max max w/pins
DS3903  Linear 3 2-Wire Addressable Non-Volatile 128 10+10+90 20 300 250 250 45
See All Digital Potentiometers (123)

Key Specifications:  Isolated Power Supplies
Part Number VIN
(V)
VIN
(V)
Topology Features Cntrl. Loop Feedback Freq.
(kHz)
Duty Cycle
(%)
ICC
(mA)
Gate Drive Current
(A)
Oper. Temp.
(°C)
min max min max max max
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
See All Isolated Power Supplies (31)

Key Specifications:  Low-Side MOSFET Drivers
Part Number Description IOUT
(A)
RON
(Ω)
RON
(Ω)
Rise/ Fall Time @+25°C
(ns)
VSUPPLY
(V)
VSUPPLY
(V)
Package/Pins Smallest Available Pckg.
(mm2)
Oper. Temp.
(°C)
peak typ max max min max max w/pins
MAX5078  Single Inverting or Noninverting 4 1.1 1.8 18/15 (CL=5000pF) 4 15
TDFN-EP/6
10 -40 to +125
MAX5054  Dual Mixed 1.5
TDFN-EP/8
10
MAX5055  Dual Mixed 1.5
SOIC(N)-EP/8
SOIC(N)/8
31
MAX5056  Dual Mixed 1.5
SOIC(N)-EP/8
SOIC(N)/8
31
MAX5057  Dual Mixed 1.5
SOIC(N)-EP/8
SOIC(N)/8
31
See All Low-Side MOSFET Drivers (26)

Key Specifications:  ORing MOSFET Controllers
Part Number Reverse Current Protect. Under Voltage Protect Charge Pump Cap. Soft Start Enable Fault Indicator RoHS Available Package/Pins Smallest Available Pckg.
(mm2)
Oper. Temp.
(°C)
max w/pins
MAX5079  Yes Yes No Yes No Yes Yes
TSSOP/14
33 -40 to +85
See All ORing MOSFET Controllers (5)

Key Specifications:  Step-Down Switching Regulators
Part Number VIN
(V)
VIN
(V)
VOUT
(V)
VOUT
(V)
Preset VOUT
(V)
Max. IOUT
(A)
Max. IOUT
(A)
Output Adjust. Method DC-DC Outputs Oper. Freq.
(kHz)
Design Tools Package/Pins Smallest Available Pckg.
(mm2)
min max min max max w/pins
MAX8655  4.5 25 0.7 5.5 - 25 25 Resistor 1 1000 EE-Sim
TQFN/56
66
MAX8811  4.5 26 - - - 30 30 - 2 - -
QSOP/16
31
MAX8654  4.5 14 0.6 12 - 8 8 Resistor 1 1200 EE-Sim
TQFN/36
37
MAX8543  3 13.2 0.8 11 - 25 25 Resistor 1 1000 -
QSOP/16
31
MAX8544  3 13.2 0.8 11 - 25 25 Resistor 1 1000 -
QSOP/20
54
MAX5067  4.75 28 0.6 3.3 - 60 60 Resistor 1 500 -
TQFN/44
50
MAX8552  6 28 - - - 30 30 - 1 2000 -
µMAX/10
TDFN-EP/10
10
MAX5037A  4.75 28 1.1 1.85 - 60 60 Digital/VID 1 500 -
MQFP/44
TQFN/44
50
MAX5038A  4.75 28 1.2 3.3
1.2
1.5
1.8
2.5
3.3
60 60 Preset 1 500 -
SSOP/28
82
MAX5041A  4.75 28 1 3.3 - 60 60 Resistor 1 500 -
SSOP/28
82
MAX5065  4.75 28 0.6 3.3 - 60 60 Resistor 1 500 -
SSOP/28
82
MAX8523  4.5 13.2 - - - 60 60 - 2 - -
QSOP/16
31
MAX8524  4.5 5.5 1.1 1.85 - 120 120 Digital/VID 1 1200 -
QSOP/28
62
MAX8525  4.5 5.5 0.835 1.5875 - 120 120 Digital/VID 1 1200 -
QSOP/28
62
MAX1992  2 28 0.7 5.5
1.8
2.5
4 4
Preset
Resistor
1 300 -
TQFN/24
17
MAX1993  2 28 0.7 5.5
1.8
2.5
4 4
Preset
Resistor
1 300 -
TQFN/24
17
MAX1519  2 28 0.6 1.85 - 40 40 Digital/VID 1
100
200
300
550
-
TQFN/40
37
MAX1544  2 28 0.675 1.55 - 40 40 Digital/VID 1
100
200
300
550
-
TQFN/40
37
MAX1545  2 28 0.6 1.85 - 40 40 Digital/VID 1
100
200
300
550
-
TQFN/40
37
MAX5037  4.75 28 1.1 1.85 - 60 60 Digital/VID 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 1 500 -
SSOP/28
82
MAX5041  4.75 28 1 3.3 - 60 60 Resistor 1 500 -
SSOP/28
82
MAX1937  6 24 0.8 1.55 - 60 60 Digital/VID 1 250 -
QSOP/28
62
MAX1938  8 24 1.1 1.85 - 60 60 Digital/VID 1 250 -
QSOP/28
62
MAX1939  8 24 0.925 2 - 60 60 Digital/VID 1 250 -
QSOP/28
62
MAX1710  2 28 1.25 2 - 7 7 Digital/VID 1 550 -
QSOP/24
54
MAX1711  2 28 0.925 2 - 7 7 Digital/VID 1 550 -
QSOP/24
54
MAX1712  2 28 0.925 2 - 7 7 Digital/VID 1 550 -
QSOP/24
54
MAX1714A  2 28 1 5.5
2.5
3.3
8 8
Preset
Resistor
1 600 -
QSOP/16
QSOP/20
31
MAX1714B  2 28 1 5.5
2.5
3.3
8 8
Preset
Resistor
1 600 -
QSOP/16
QSOP/20
31
See All Step-Down Switching Regulators (264)

Key Specifications:  Voltage References
Part Number VOUT
(V)
Temp. Coeff.
(ppm/°C)
Initial Accuracy
(% max)
IREV
(µA)
IREV
(mA)
Features Package/Pins Smallest Available Pckg.
(mm2)
Oper. Temp.
(°C)
max @ +25°C min max max w/pins
LM4050A 
2.048
2.5
3
3.3
4.096
5
50 0.1 65 15 Shunt
SC70/3
SOT/3
5 -40 to +125
LM4050B 
2.048
2.5
3
3.3
4.096
5
0.2
SC70/3
SOT/3
LM4050C 
2.048
2.5
3
3.3
4.096
5
0.5
SC70/3
SOT/3
LM4051A  1.25 0.1
SC70/3
SOT/3
LM4051B  1.25 0.2
SC70/3
SOT/3
LM4051C  1.25 0.5
SC70/3
SOT/3
See All Voltage References (162)



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