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Maxim > Solutions > Network Hubs, Switches, and Routers

CPU Power, Step-Down

DATA SHEETS
Display Title/Parts Key Advantages
QV  PDF 1MHz, 2A, 2.6V to 5.5V Input, PWM DC-DC Step-Down Regulator with Enable
MAX1951A

1MHz, All-Ceramic, 2.6V to 5.5V Input, 2A, PWM Step-Down DC-DC Regulator Requires Only 10µF Ceramic Capacitor
QV  PDF Dual-Channel, I²C Adjustable Sink/Source Current DAC
DS4432

Inexpensive Power-Supply Margining Made Easy
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 Wide 4.5V to 28V Input, Dual-Output Synchronous Buck Controller
MAX15023

Low-Cost, Dual DC-DC Controller Operates from 4.5V to 28V Suitable for Multiple Applications
QV  PDF Low-Cost, Small, 4.5V to 28V Wide Operating Range, DC-DC Synchronous Buck Controller
MAX15026

Low-Cost, Versatile DC-DC Controller Operates from 4.5V to 28V Suitable for Multiple Applications
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 15A Step-Down Regulator with Internal Switches
MAX15035

Fully Integrated Buck Regulator Delivers 15A in 6mm x 6mm Package
QV    12V, 8A, 1.2MHz Step-Down Regulator
MAX17026

8A DC-DC Converter with Integrated MOSFETs in Small, 5mm by 5mm Package
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 Dual-Channel, I²C Adjustable Sink/Source Current DAC
DS4412

Inexpensive Power Supply Control Made Easy
QV  PDF 2A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converters
MAX5090, MAX5090A, MAX5090B, MAX5090C

Designed to Withstand Harsh Automotive Environments
QV  PDF Configurable, Single-/Dual-Output, Synchronous Buck Controller for High-Current Applications
MAX5066

QV  PDF ORing MOSFET Controller with Ultra-Fast 200ns Turn-Off
MAX5079

QV  PDF 0.6V to 5.5V Output, Parallelable, Average-Current-Mode DC-DC Controllers
MAX5060, MAX5061

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 Wide-Input, High-Frequency, Triple-Output Supplies with Voltage Monitor and Power-On Reset
MAX8513, MAX8514

Complete Triple-Output xDSL Power Supplies for Modems, Routers, and Gateways Save Cost and Reduce Noise
QV  PDF Low-Cost, Current-Mode PWM Buck Controller with Foldback Current Limit
MAX1954A

QV  PDF Dual-Synchronous Buck Controllers for Point-of-Load, Tracking, and DDR Memory Power Supplies
MAX8537, MAX8538, MAX8539

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

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 1A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converter
MAX5035

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 2- to 8-Phase VRM 10/9.1 PWM Controllers with Precise Current Sharing and Fast Voltage Positioning
MAX8524, MAX8525

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

QV  PDF Dual-Phase, Parallelable, Average Current-Mode Controllers
MAX5038, MAX5041

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
QV  PDF Miniature, Low-Voltage, Precision Step-Down Controller
MAX1637

Low-Voltage, Precision Step-Down Controller for Portable CPU Power
QV  PDF Low-Voltage, Precision Step-Down Controller for Portable CPU Power
MAX1636

QV  PDF Multi Output, Low-Noise Power Supply Controllers for Notebook Computers
MAX1630, MAX1631, MAX1632, MAX1633, MAX1634, MAX1635

Notebook Power Controllers Offer the Highest Performance and the Smallest Size through the Highest Level of Integration



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
DS4412  4
See All Precision DACs (4-12 Bits) (261)

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)
Oper. Temp.
(°C)
Package/Pins Smallest Available Pckg.
(mm2)
peak typ max max min max max w/pins
MAX5054  Dual Mixed 4 1.5 1.8 18/15 (CL=5000pF) 4 15 -40 to +125
TDFN-EP/8
9.6
MAX5055 
SOIC(N)-EP/8
SOIC(N)/8
30.9
MAX5056 
SOIC(N)-EP/8
SOIC(N)/8
30.9
MAX5057 
SOIC(N)-EP/8
SOIC(N)/8
30.9
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
33.4 -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
MAX1951A NEW! 2.6 5.5 0.8 5 - 2 2 Resistor 1 1000 -
SOIC(N)/8
31
MAX15036  4.5 23 - - - - - Resistor 1 2200 -
TQFN/16
26
MAX15037  4.5 23 0.6 23 - 3 3 Resistor 1 2200 -
TQFN/16
26
MAX15034  4.75 28 0.61 5.5 - 50 50 Resistor 2 1000 -
TSSOP-EP/28
TSSOP/28
63.7
MAX15023  4.5 28 0.6 28 - 15 15 Resistor 2 1000 -
TQFN/24
16.8
MAX15026  4.5 28 0.6 28 - 15 15 Resistor 1 2000 -
TDFN-EP/14
9.6
MAX15035  4.5 26 0.5 23 - 15 15
Dyn. REF In
Resistor
1 600 -
TQFN/40
36
MAX5090  6.5 76 1.265 11 5 2 2
Preset
Resistor
1 125 -
TQFN/16
26
MAX5088  4.5 23 0.6 20 - 2 2 Resistor 1 2200 -
TQFN/16
26
MAX5089  4.5 23 0.6 20 - 2 2 Resistor 1 2200 -
TQFN/16
26
MAX5066  4.75 28 0.61 5.5 - 25 25 Resistor 1 1000 -
TSSOP-EP/28
63.7
MAX5060  4.75 28 0.6 5.5 - 30 30 Resistor 1 1500 -
TQFN/28
26
MAX5061  4.75 28 0.6 5.5 - 30 30 Resistor 1 1500 -
TSSOP-EP/16
33.2
MAX8513  4.5 28 0.8 27 - 4 4 Resistor 1 1400 -
QSOP/28
61.9
MAX8514  4.5 28 0.8 27 - 4 4 Resistor 1 1400 -
QSOP/28
61.9
MAX8537  4.5 23 0.8 3.6 - 30 30 Resistor 2 1400 -
QSOP/28
61.9
MAX8538  4.5 23 0.8 3.6 - 30 30 Resistor 2 1400 -
QSOP/28
61.9
MAX8539  4.5 23 0.8 3.6 - 30 30 Resistor 2 1400 -
QSOP/28
61.9
MAX5067  4.75 28 0.6 3.3 - 60 60 Resistor 1 500 -
TQFN/44
50.4
MAX8552  6 28 - - - 30 30 - 1 2000 -
µMAX/10
TDFN-EP/10
9.6
MAX1858A  4.5 23 0.8 18 - 10 10 Resistor 2 600 -
QSOP/24
54.2
MAX1875A  4.5 23 0.8 18 - 10 10 Resistor 2 600 -
QSOP/24
54.2
MAX1876A  4.5 23 0.8 18 - 10 10 Resistor 2 600 -
QSOP/24
54.2
MAX5033  7.5 76 1.25 13.2
3.3
5
12
0.5 0.5
Preset
Resistor
1 125 EE-Sim
PDIP(N)/8
SOIC(N)/8
81.9
MAX5035  7.5 76 1.25 13.2
3.3
5
12
1 1
Preset
Resistor
1 125 EE-Sim
PDIP(N)/8
SOIC(N)/8
30.9
MAX5037A  4.75 28 1.1 1.85 - 60 60 Digital/VID 1 500 -
MQFP/44
TQFN/44
50.4
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
81.6
MAX5041A  4.75 28 1 3.3 - 60 60 Resistor 1 500 -
SSOP/28
81.6
MAX5065  4.75 28 0.6 3.3 - 60 60 Resistor 1 500 -
SSOP/28
81.6
MAX8505  2.6 5.5 0.8 4.5 - 3 3 Resistor 1 1000 -
QSOP/16
30.9
MAX1945  2.6 5.5 0.8 4.5
1.8
2.5
6 6
Preset
Resistor
1 500 -
TSSOP-EP/28
63.7
MAX1951  2.6 5.5 0.8 5 - 2 2 Resistor 1 1000 -
SOIC(N)/8
31
MAX1952  2.6 5.5 1.8 1.8 1.8 2 2 Resistor 1 1000 -
SOIC(N)/8
31
MAX8524  4.5 5.5 1.1 1.85 - 120 120 Digital/VID 1 1200 -
QSOP/28
61.9
MAX8525  4.5 5.5 0.835 1.5875 - 120 120 Digital/VID 1 1200 -
QSOP/28
61.9
MAX5037  4.75 28 1.1 1.85 - 60 60 Digital/VID 1 500 -
MQFP/44
TQFN/44
50.4
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
81.6
MAX5041  4.75 28 1 3.3 - 60 60 Resistor 1 500 -
SSOP/28
81.6
MAX1937  6 24 0.8 1.55 - 60 60 Digital/VID 1 250 -
QSOP/28
61.9
MAX1938  8 24 1.1 1.85 - 60 60 Digital/VID 1 250 -
QSOP/28
61.9
MAX1939  8 24 0.925 2 - 60 60 Digital/VID 1 250 -
QSOP/28
61.9
MAX1636  4.5 30 1.1 5.5
2.5
3.3
7 7
Preset
Resistor
1
200
300
-
SSOP/20
57.9
MAX1710  2 28 1.25 2 - 7 7 Digital/VID 1 550 -
QSOP/24
54.2
MAX1711  2 28 0.925 2 - 7 7 Digital/VID 1 550 -
QSOP/24
54.2
MAX1712  2 28 0.925 2 - 7 7 Digital/VID 1 550 -
QSOP/24
54.2
MAX1714A  2 28 1 5.5
2.5
3.3
8 8
Preset
Resistor
1 600 -
QSOP/16
QSOP/20
54.2
MAX1714B  2 28 1 5.5
2.5
3.3
8 8
Preset
Resistor
1 600 -
QSOP/16
QSOP/20
54.2
MAX1637  3.15 5.5 1.1 5.5 - 7 7 Resistor 1 350 -
QSOP/16
30.9
See All Step-Down Switching Regulators (264)

Key Specifications:  Step-Up Switching Regulators
Part Number VIN
(V)
VIN
(V)
Output Adjust. Method DC-DC Outputs Oper. Freq.
(kHz)
Package/Pins Smallest Available Pckg.
(mm2)
min max max w/pins
MAX15036  4.5 23 Resistor 1 2200
TQFN/16
26
See All Step-Up Switching Regulators (90)



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