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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 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, LM4051

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:   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:   Isolated Power Supplies
Part Number VIN (min) (V) VIN (max) (V) Topology Features Control Loop Feedback Type Frequency (kHz) Max. Duty Cycle (%) Operating Current, ICC (max) (mA) Gate Drive Current (A) Operating Temp. Range (°C)
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 (29)

Key Specifications:   Low-Side MOSFET Drivers
Part Number Description Peak IOUT (A) ROUT (typ) (Ω) ROUT (max) (Ω) Max. Rise/Fall Time @+25°C (ns) Supply Voltage (min) (V) Supply Voltage (max) (V) Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
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 4 1.5 1.8 18/15 (CL=5000pF) 4 15 TDFN-EP/8 10 -40 to +125
MAX5055  Dual Mixed 4 1.5 1.8 18/15 (CL=5000pF) 4 15 SOIC(N)-EP/8
SOIC(N)/8
31 -40 to +125
MAX5056  Dual Mixed 4 1.5 1.8 18/15 (CL=5000pF) 4 15 SOIC(N)-EP/8
SOIC(N)/8
31 -40 to +125
MAX5057  Dual Mixed 4 1.5 1.8 18/15 (CL=5000pF) 4 15 SOIC(N)-EP/8
SOIC(N)/8
31 -40 to +125
See All Low-Side MOSFET Drivers (26)

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

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)
DS4432  NEW! 4 2 Current- Buffered Ext. 1 Serial - I2C 2.7 5.5 -40 to +85
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
DS4412  4 2 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)
MAX8655  4.5 25 0.7 5.5  -  25 25 Resistor 3 1 1000 EE-Sim TQFN/56 66
MAX8811  4.5 26  -   -   -  30 30  -  1.5 2  -   -  QSOP/16 31
MAX8654  4.5 14 0.6 12  -  8 8 Resistor 3 1 1200 EE-Sim TQFN/36 37
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
MAX5067  4.75 28 0.6 3.3  -  60 60 Resistor 10 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 6 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 10 1 500  -  SSOP/28 82
MAX5041A  4.75 28 1 3.3  -  60 60 Resistor 10 1 500  -  SSOP/28 82
MAX5065  4.75 28 0.6 3.3  -  60 60 Resistor 10 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
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
MAX1519  2 28 0.6 1.85  -  40 40 Digital/VID 3.8 1 100
200
300
550
 -  TQFN/40 37
MAX1544  2 28 0.675 1.55  -  40 40 Digital/VID 3.8 1 100
200
300
550
 -  TQFN/40 37
MAX1545  2 28 0.6 1.85  -  40 40 Digital/VID 3.8 1 100
200
300
550
 -  TQFN/40 37
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
MAX1937  6 24 0.8 1.55  -  60 60 Digital/VID 2.5 1 250  -  QSOP/28 62
MAX1938  8 24 1.1 1.85  -  60 60 Digital/VID 2.5 1 250  -  QSOP/28 62
MAX1939  8 24 0.925 2  -  60 60 Digital/VID 2.5 1 250  -  QSOP/28 62
MAX1710  2 28 1.25 2  -  7 7 Digital/VID 0.95 1 550  -  QSOP/24 54
MAX1711  2 28 0.925 2  -  7 7 Digital/VID 0.95 1 550  -  QSOP/24 54
MAX1712  2 28 0.925 2  -  7 7 Digital/VID 0.95 1 550  -  QSOP/24 54
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
See All Step-Down Switching Regulators (252)

Key Specifications:   Voltage References
Part Number Output Voltage (V) Tempco (max) (ppm/°C) Initial Accuracy (% max @ +25°C) Reverse Breakdown Current (min) (µA) Reverse Breakdown Current (max) (mA) Features Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
LM4050A  2.048
2.5
3.0
3.3
4.096
5.0
50 0.1 65 15
Shunt
SC70/3
SOT/3
5 -40 to +125
LM4050B  2.048
2.5
3.0
3.3
4.096
5.0
50 0.2 65 15
Shunt
SC70/3
SOT/3
5 -40 to +125
LM4050C  2.048
2.5
3.0
3.3
4.096
5.0
50 0.5 65 15
Shunt
SC70/3
SOT/3
5 -40 to +125
LM4051A  1.25 50 0.1 65 15
Shunt
SC70/3
SOT/3
5 -40 to +125
LM4051B  1.25 50 0.2 65 15
Shunt
SC70/3
SOT/3
5 -40 to +125
LM4051C  1.25 50 0.5 65 15
Shunt
SC70/3
SOT/3
5 -40 to +125
See All Voltage References (162)



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