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Maxim > Solutions > Power Solutions for Nonportable Applications

Switching Regulators

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF Evaluation Kit for the MAX5099 and MAX5098A
MAX5099EVKIT

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 6A, 2MHz Step-Down Regulator with Integrated Switches
MAX15039

Smallest, Most Efficient, 3A Step-Down Regulator Switches Frequencies Up to 2.4MHz
QV  PDF 4A, 2MHz Step-Down Regulator with Integrated Switches
MAX15038

Smallest, Most Efficient, 4A Step-Down Regulator Switches Frequencies Up to 2.4MHz
QV  PDF Evaluation Kit for the MAX15003
MAX15003EVKIT

QV  PDF Dual-Output Buck Controller with Tracking/Sequencing
MAX15002

Flexible, Dual Controller Delivers 15A Per Output with Sequencing and Tracking Control
QV  PDF Triple-Output Buck Controller with Tracking/Sequencing
MAX15003

Flexible, Triple Controller Delivers 15A per Output with Sequencing and Tracking Control
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 Dual, 3A, 2MHz Step-Down Regulator
MAX8833

Smallest, Most Efficient, Dual 3A Regulator with Integrated Switches in 5mm × 5mm TQFN Package
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 MAX5089 Evaluation Kit
MAX5089EVKIT

QV  PDF Digital Power-Supply Controller/Monitor with PMBus Interface
MAX8688

Complete Control/Monitoring of Any Power Supply with PMBus Interface
QV  PDF Dual, 5A, 2MHz Step-Down Regulator
MAX8855

Smallest, Most Efficient 5A Regulator with Integrated Switches in 5mm x 5mm TQFN Package
QV  PDF 2A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converters
MAX5090, MAX5090A, MAX5090B, MAX5090C

Designed to Withstand Harsh Automotive Environments
QV  PDF 1A, 40V, MAXPower Step-Down DC-DC Converters
MAX5080, MAX5081

QV  PDF Electronically Programmable Voltage Reference
DS4305, DS4305K

Nonvolatile Sample and Infinite-Hold Adjustable Voltage Reference for Automated Factory Calibration
QV  PDF Electronically Programmable Voltage Reference
DS4303, DS4303K

Nonvolatile Sample and Infinite-Hold Adjustable Voltage Reference for Automated Factory Calibration
QV  PDF 2.2MHz, Dual-Output Buck or Boost Converter with POR and Power-Fail Output
MAX5072

QV  PDF 2.2MHz, Dual-Output Buck or Boost Converter with Internal Power MOSFETs
MAX5073

QV  PDF Dual, 2.2MHz, Automotive Buck or Boost Converter with 80V Load-Dump Protection
MAX5098A

High Switching Dual Regulator Operates Outside of AM Frequency Band and Provides Up to 80V Load Dump Protection
QV  PDF Dual, 2.2MHz, Automotive Synchronous Buck Converter with 80V Load-Dump Protection
MAX5099

High-Switching Dual Regulator Operates Outside of AM Frequency Band and Provides Up to 80V Load-Dump Protection
QV  PDF 6A, 2MHz Step-Down Regulator with Integrated Switches
MAX8646

Smallest, Most Efficient 6A Step-Down Regulator and Up to 2.4MHz Frequency
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 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 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 Smallest 1A, 1.4MHz Step-Down Regulators
MAX1973, MAX1974

QV  PDF Dual, 180° Out-of-Phase, 1.4MHz, 750mA Step-Down Regulator with POR and RSI/PFO
MAX1970, MAX1971, MAX1972

Smallest Internal Switch Dual Step-down for GBICs , xDSL Modems & USB Powered Devices



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) Package
MAX15002  4.5 23 0.6 18  -  20 20 Resistor 6 2 2200 THIN QFN/40
MAX15003  4.5 23 0.6 19  -  15 15 Resistor 8 3 2200 THIN QFN/48
MAX8833  2.35 3.6 0.6 3.3  -  3 3 Resistor 3.5 2 2000 THIN QFN/32
MAX8855  2.35 3.6 0.6 3.3  -  5 5 Resistor 3.5 2 2000 THIN QFN/32
MAX8643  2.35 3.6 0.6 2.5  -  3 3 Digital/VID 6.5 1 2000 THIN QFN/24
MAX8646  2.35 3.6 0.6 2.5  -  6 6 Digital/VID 6.5 1 2000 THIN QFN/24
MAX5090  6.5 76 1.265 11  -  2 2 Preset
Resistor
0.55 1 125 THIN QFN/16
MAX5088  4.5 23 0.6 20  -  2 2 Resistor 2.5 1 2200 THIN QFN/16
MAX5089  4.5 23 0.6 20  -  2 2 Resistor 2.5 1 2200 THIN QFN/16
MAX5080  4.5 40 1.23 32  -  1 1 Resistor 2.5 1 250 THIN QFN/16
MAX5081  7.5 40 1.23 32  -  1 1 Resistor 2.3 1 250 THIN QFN/16
MAX5033  7.5 76 1.25 13.2 12
3.3
0.5 0.5 Preset
Resistor
0.5 1 125 PDIP/8
SOIC/8
MAX5035  7.5 76 1.25 13.2 12
3.3
1 1 Preset
Resistor
0.5 1 125 PDIP/8
SOIC/8
MAX1945  2.6 5.5 0.8 4.5 1.8
2.5
6 6 Preset
Resistor
20 1 500 TSSOP/28
MAX1951  2.6 5.5 0.8 5  -  2 2 Resistor 10 1 1000 SOIC/8
MAX1952  2.6 5.5 1.8 1.8 1.8 2 2 Resistor 10 1 1000 SOIC/8
MAX1973  2.6 5.5 1.25 5 1.8
2.5
0.95 0.95 Preset
Resistor
7.5 1 1400 uMAX/10
MAX1974  2.6 5.5 0.75 5 1.5 0.95 0.95 Preset
Resistor
7.5 1 1400 uMAX/10
MAX1970  2.6 5.5 0.8 5 1.5
1.8
2.5
3.3
0.75 0.75 Preset
Resistor
20 2 1400 QSOP/16
MAX1971  2.6 5.5 0.8 5 1.5
1.8
2.5
3.3
0.75 0.75 Preset
Resistor
10 2 700 QSOP/16
MAX1972  2.6 5.5 0.8 5 1.5
1.8
2.5
3.3
0.75 0.75 Preset
Resistor
20 2 1400 QSOP/16
MAX5072  4.5 23 0.8 28  -  2 2 Resistor 4 2 2200 THIN QFN/32
MAX5073  5.5 23 0.8 28  -  2 2 Resistor 4 2 2200 THIN QFN/28
THIN QFN/32
See All Step-Down Switching Regulators (222)

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
MAX5072  4.5 23 0.8 28 2 2 Resistor 4 2 2200 THIN QFN/32
MAX5073  5.5 23 0.8 28 2 2 Resistor 4 2 2200 THIN QFN/28
THIN QFN/32
See All Step-Up Switching Regulators (89)

Key Specifications:   Voltage References
Part Number Output Voltage (V) Tempco (max) (ppm/°C) Initial Accuracy (% max @ +25°C) Supply Current - Series Only (max) (µA) Supply Voltage - Series Only (min) (V) Supply Voltage - Series Only (max) (V) Noise 0.1Hz to 10Hz (µVp-p typ) Features Package Operating Temp. Range (°C)
DS4305  Programmable 24 0.03 2,000 4 5.5 160
Series
SOT-23/5
SOT23/3
-40 to +125
DS4303  Programmable 30 0.03 1,600 2.4 3.6 200
Series
SOT-23/5 -40 to +85
See All Voltage References (159)




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