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Our high-efficiency DC-DC switching regulator ICs generate less heat, consume less current and require less board space than other solutions, enabling more robust operation and longer battery life. Switching regulator circuits use a power switch, an inductor, and a diode to transfer energy from input to output. The basic components of the switching circuit can be rearranged to form a step-down (buck) converter, a step-up (boost) converter, or an inverter (flyback). Feedback and control circuitry can be added to regulate the energy transfer and maintain a constant output. Our wide selection of DC-DC converters offer high switching frequencies, very efficient internal switching elements, wide input voltage ranges, and built-in circuit protection to support a broad range of applications.

Step-Down (Buck)

Find Maxim’s Step-Down (Buck) Switching Regulators. Optimize your applications with Maxim Integr...

Inverting

Switching regulators ICs convert input voltages into higher output voltages.

Power Modules

Maxim Integrated's Himalaya Power Modules integrate most of the components needed for a power su...

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Design Solution Mobile Power Selector Guide

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Technical Documents Boost/Step-Up

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Featured Videos


Advantages of Using the MAX77816 Buck-Boost Regulator for Seamless Power Supply Transitions
05:59 February 22, 2019


How to Design a Power Supply in Five Minutes or Less with the EE-Sim® Design Tool
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nanoPower Boost Converter Demo
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EE-Sim Webscope Waveform Viewer
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Featured Blogs

Featured Products

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MAX77231

Compact boost with only 35µVRMS ripple and noise.
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MAX17242

Reliable Operation (42V Input Transient Protection), Long Battery Life (15µA IQ) and EN55022 EMI Performance.
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MAX77596

This small, synchronous buck converter with integrated switches can deliver up to 300mA with input voltages from 3.5V to 24V, while using only 1.1μA q...
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MAX77801

The MAX77801 is a high-current, high-efficiency buck-boost targeted to mobile applications that use a Li-ion battery or similar chemistries. The MAX77...

Latest Products

MAX20411 Automotive High-Efficiency Single 16A/22A/ 30A/40A Step-Down Converter Family

The MAX20411 is a family of high-efficiency, synchronous step-down converters that operate with ...
  • High-Efficiency DC-DC Converter
  • Up to 40A Peak Output Current:
    • MAX20411A: 16A
    • MAX20411B: 22A
    • MAX20411C: 30A
    • MAX20411D: 40A
  • Differential Remote Voltage Sensing
  • 3.0V to 5.5V Operating Supply Voltage
  • I²C Controlled Output Voltage:
    • 0.5V to 1.275V in 6.25mV Steps
  • Excellent Load Transient Performance
  • Advanced Programmable Compensation
    • MAXQ™ Power Architecture
    • Hybrid Load Line and Integrator Options
  • 2.1MHz or 1.05MHz Operation
  • As Low as ±0.75% Output Voltage Accuracy
  • RESET-bar Output
  • Current Mode, Forced PWM Operation
  • ASIL D Compliant:
    • Redundant Reference
    • BIST Diagnostics
    • PEC on I²C
    • Programmable OV/UV with ±1% Accuracy
  • Overtemperature and Short-Circuit Protection
  • 3.5mm x 5mm 21-Pin Side-Wettable FC2QFN
  • -40°C to +125°C Grade 1 Automotive Temperature Range

MAX17643 4.5V–60V, 2A, High-Efficiency, Synchronous Step-Down DC-DC Converter with Internal Compensation

The Himalaya series of voltage regulator ICs, power modules, and chargers enable cooler, smaller...
  • Reduces External Components and Total Cost
    • No Schottky-Synchronous Operation
    • Internal Compensation for Any Output Voltage
    • All-Ceramic Capacitors, Compact Layout
  • Reduces Number of DC-DC Regulators to Stock
    • Wide 4.5V to 60V Input
    • Adjustable 0.9V to (0.9 × VIN) Output
    • Up to 2A Peak-Load Current
    • 400kHz to 2.2MHz Adjustable Switching Frequency with External Synchronization
  • Reduces Power Dissipation
    • Peak Efficiency of 91.6%
    • Auxiliary Bootstrap LDO for Improved Efficiency
    • 4.65μA Shutdown Current
  • Operates Reliably in Adverse Industrial Environments
    • Hiccup-Mode Overload Protection
    • Adjustable Soft-Start
    • Built-In Output-Voltage Monitoring with Active-Low RESET
    • Programmable EN/UVLO Threshold
    • Monotonic Startup into Prebiased Load
    • Overtemperature Protection
    • Wide Industrial -40°C to +125°C Ambient Operating Temperature Range/ -40°C to +150°C Junction Temperature Range
    • Complies with CISPR22 (EN55022) Class B Conducted and Radiated Emissions

MAX20011C Automotive Single 16A/12A Step-Down Converter

The MAX20011C/MAX20011D is a high-efficiency, synchronous step-down converter that operates with...
    • High-Efficiency DC-DC Converter
    • Up to 16A Peak Output Current
      • MAX20011C: 16A
      • MAX20011D: 12A
    • Differential Remote Voltage Sensing
    • 3.0V to 5.5V Operating Supply Voltage
    • I²C Controlled Output Voltage: 0.5V to 1.275V in 6.25mV Steps
    • Excellent Load-Transient Performance
    • Programmable Compensation
    • 2.2MHz or 1.1MHz Operation
    • ±1.5% Output Voltage Accuracy
    • RESET Output
    • Current-Mode, Forced-PWM Operation
    • ASIL D Compliant:
      • Redundant Reference
      • BIST Diagnostics
      • PEC on I²C;
      • Programmable OV/UV with ±1% Accuracy
    • Overtemperature and Short-Circuit Protection
    • 3.5mm x 4mm 17-Pin Side-Wettable FC2QFN
    • -40°C to +125°C Grade 1 Automotive Temperature Range

MAX16602 VR13.HC and AI Cores Dual-Output Voltage Regulator Chipset

The MAX16602 IC provides a high-density, flexible and scalable solution to power AI cores or Int...
  • High Power Density and Efficiency
    • Smart Power-Stage Support: MAX20778/A, MAX20779/A/B/C, MAX20780, MAX20790, MAX16604
    • Top-Tier Efficiency (95.6% Peak Efficiency at 1.8VOUT)
    • Integrated Input Power Monitor
  • Telemetry Through PMBus
    • Digitally Programmable Configuration
    • Input Voltage, Current, and Power Monitoring
    • Power-Stage Temperature Monitoring and Reporting
  • Advanced Power Management
    • Autonomous Phase-Shedding
    • Orthogonal Current Rebalance for Phase-Current Balance During Transients
    • Low-Quiescent Current—Improves Light-Load and Standby Efficiency
  • Protection Features
    • Input and Bias Supply Undervoltage Protection
    • Overcurrent Protection
    • Critical Fault-Flag Output Pin

MAX20458 36V Boost Controller with 3.5A Synchronous Buck Converter For Automotive Applications

The MAX20458 is an automotive grade PMIC that includes a 3.5A synchronous buck converter and an ...
  • Meets Stringent OEM Module Power Consumption and Performance Specifications
    • 10μA Supply Current with 5V Buck On
    • OUT Can Be Either 5V or 3.3V
    • 30µA Supply Current with All Regulators On
  • Enables Crank-Ready Designs
    • Output Voltages in Regulation Through Cold Crank Down to 2V Battery Voltage
    • Wide Input Supply Range from 3.5V to 36V
  • EMI Reduction Features Reduce Interference with Sensitive Radio Bands without Sacrificing Wide Input Voltage Range
    • 20ns (typ) Minimum On-Time Guarantees Skip-Free Operation for 3.3V Output at 2.1MHz
    • Spread-Spectrum Option
    • Phase-Locked Loop (PLL) Frequency Synchronization
  • Integration and Thermally Enhanced Packages Save Board Space and Cost
    • 2.1MHz Buck Converters with Asynchronous Boost Controller
    • Current-Mode Controller with Forced Fixed Frequency and Skip Modes
    • Thermally Enhanced 5mm x 5mm, 28-Pin TQFN-EP Package
  • Protection Features Improve System Reliability
    • Supply Undervoltage Lockout
    • Overtemperature and Short-Circuit Protection

MAX17227J 400mV to 5.5V Input, 500mA nanoPower Boost Converter with Short-Circuit Protection and Automatic Pass-Through Mode

The MAX17227J is a nanoPower boost converter capable of delivering a load up to 500mA peak induc...
  • 350nA Quiescent Supply Current
  • Output Short-Circuit Protection
  • Automatic Pass-Through Mode
    • Overcurrent and Overtemperature Protected
  • 95% Peak Efficiency, 89% or Higher at 500μA
  • Typical 300mA Output Current at 5.0V (VIN > 3.6V)
  • 400mV to 5.5V Input Voltage Range
  • 880mV Minimum Startup Voltage
  • Single Resistor-Adjustable Output Voltage
    • 2.3V to 5.2V Output Voltage Range with 100mV Steps
    • 5.4V Output Voltage Setting Available
  • 500mA Peak Inductor Current Limit
  • Active Discharge Feature
  • Thermal Shutdown Protection
  • Multiple Package Options:
    • 1.58mm x 0.89mm, 0.4mm Pitch, 6-Bump (3 x 2) WLP
    • 2mm x 2mm, 8-Pin TDFN
  • -40°C to +125°C Operating Temperature Range

MAX8969 Step-Up Converter for Handheld Applications

The MAX8969 is a simple 1A step-up converter in a small package that operates in any single-cell...
  • Flexible System Integration
    • Up to 1A Output Current
    • 2.5V to 5.5V Input Voltage Range
    • 3.3V to 5.7V Output Voltage Options
  • Integrated Protection Increases System Robustness
    • Undervoltage Lockout (UVLO)
    • Short-Circuit Protection
    • Overtemperature Shutdown
  • High Efficiency and Low Quiescent Current Extends Battery Life
    • Over 90% Efficiency with Internal Synchronous Rectifier
    • 60µA IQ in Automatic Track Mode
    • 45µA IQ in Step-Up Mode
    • 30µA IQ in Track Mode
    • 1µA Shutdown Current
    • Skip Mode Under Light Load Condition Improves Efficiency
    • True Shutdown™ Prevents Current Flow from OUT_ to LX_
    • Soft-Start Limits Inrush Current to 480mA
  • Small Package and High Frequency Operation Reduce Board Space
    • 9-Bump 1.25mm × 1.25mm WLP Package
    • 3MHz PWM Switching Frequency
    • Small External Components

MAX20754 Dual-Output, Configurable Multiphase Power-Supply Controller with PMBus Interface and Internal Buck Converter

The MAX20754 is a PMBus™-compatible, dualoutput, configurable multiphase power-supply controller...
  • Versatile and Flexible Controller
    • Generates Up to Six PWM Signals
    • Single- or Dual-Voltage Output with Flexible Phase Assignment
    • 0.5V to 2.0V Output-Voltage Range (MAX20754ETMA1+)
    • 0.25V to 2.0V Output-Voltage Range (MAX20754ETMA2+)
    • 4.5V to 16V Input-Voltage Range
    • 300kHz to 800kHz Switching Frequency Range
  • High-Power Density in a Small Overall Solution Size
    • Supports Coupled-Inductor Technology
    • Advanced Modulation Scheme Improves Transient Response
    • High-Loop Bandwidth Reduces Output-Capacitance Requirements
    • 48-Pin (7mm x 7mm) TQFN Package
    • Phase-Current Steering for Thermal Balancing
    • Efficient Integrated Internal Switching Regulator Powers Controller and Power Stages
  • Simple System Configuration
    • Four External Resistors Set Output Voltage, Bus Address, Switching Frequency, and Current Limit
  • Comprehensive PMBus Configuration, Control, and Telemetry
    • Compatible with PMBus Standard, Revision 1.3
    • 10kHz to 1MHz Bus Speed
    • PMBus Command Settings Stored in Nonvolatile Memory
    • Accurate Current, Voltage, and Temperature Reporting

MAX20057 36V Boost Controller with Two Synchronous Buck Converters (3.5A/2A) for Automotive Applications

The MAX20057 is an automotive highly integrated triple-output PMIC. It includes two synchronous ...
  • Meets Stringent OEM Module Power Consumption and Performance Specifications
    • 10µA Supply Current with 5V Buck On
    • 8µA Supply Current with 3.3V Buck On
    • 30µA Supply Current with All Regulators On
  • Enables Crank-Ready Designs
    • Output Voltages in Regulation Through Cold CrankDown to 2V Battery Voltage
    • Wide Input-Supply Range from 3.5V to 36V
    • EMI Reduction Features Reduce Interference with Sensitive Radio Bands without Sacrificing Wide Input-Voltage Range
    • 20ns (typ) Minimum On-Time Guarantees Skip-Free Operation for 3.3V Output at 2.1MHz
    • Spread-Spectrum Option
    • Phase-Locked Loop (PLL) Frequency Synchronization
  • Integration and Thermally Enhanced Packages Save Board Space and Cost
    • Two 2.1MHz Buck Converters with Asynchronous Boost Controller
    • Current-Mode Controller with Forced Fixed-Frequency and Skip Modes
    • Thermally Enhanced 5mm x 5mm, 28-Pin TQFN-EP Package
  • Protection Features Improve System Reliability
    • Supply Undervoltage Lockout
    • Overtemperature and Short-Circuit Protection

MAX25202 36V HV Synchronous Boost Controller for Automotive Infotainment Applications

The MAX25201/MAX25202 are high-performance, current-mode PWM controllers with 1.5μA (typ) shutdo...
  • Meets Stringent OEM Module Power Consumption and Performance Specifications
    • 20µA Quiescent Current in Skip Mode
    • ±1.5% FB Voltage Accuracy
    • Output Voltage Range: Fixed or Adjustable Between 3.5V and 60V
  • Enables Crank-Ready Designs
    • Operates Down to 1.8V After Startup
    • Wide Input Supply Range from 4.5V to 36V
  • EMI Reduction Features Reduce Interference with Sensitive Radio Bands Without Sacrificing Wide Input Voltage Range
    • Spread-Spectrum Option
    • Frequency-Synchronization Input
    • Resistor-Programmable Frequency Between 200kHz and 2.2MHz
  • Integration and Thermally Enhanced Packages Save Board Space and Cost
    • Current-Mode Controllers with Forced-Continuous and Skip Modes
    • Thermally Enhanced 16-Pin TQFN-EP Package
  • Protection Features Improve System Reliability
    • Supply Undervoltage Lockout
    • Overtemperature and Short-Circuit Protecti​on
  • Tools

    Featured Reference Designs

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    MAXM17532EVKIT

    Integrated power solution providing 5V from a wide input range of 10V to 42V with up to 100mA of...
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    This non-isolated PoE powered device design combines a PD controller and buck converter on a 1.2...
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    Isolated, industrial power-supply reference design with an efficient active-clamp topology desig...

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    The MAXREFDES1194 is a no-opto flyback DC-DC power supply that delivers five outputs from a 6V t...

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    The MAXREFDES1200 demonstrates how to build a lowcost buck DC-DC converter using the step-down c...

    MAXREFDES1131: 0.72V/12A Supply for Xilinx Ultrascale+ FPGAs

    The MAXREFDES1131 provides the internal core voltage (VCCINT) for Xilinx Ultrascale+ FPGAs. This...

    MAXREFDES71#: 2-Channel Analog Input/Analog Output with Transformer Driven Power

    MAXREFDES71# subsystem reference design is a high-speed, high-accuracy, 16-bit, 2-channel simult...

    MAXREFDES32#: 2-Channel Analog Input/Analog Output with Flyback DC-DC

    MAXREFDES32# subsystem reference design is a high-speed, high-accuracy, 16-bit, 2-channel simult...

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    The Palo Verde (MAXREFDES33#) subsystem design features a highly efficient, synchronous DC-DC co...

    Fit 1 Vital Signs Monitoring Shirt

    The "Fit" vital signs monitoring shirt allows medical professionals and fitness enthusiasts to e...

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    Optimize the layout of the MAX16974/MAX16975/MAX16976 high-performance DC-DC converters, standar...

    Supply-Chopped Dimming Control Boosts LED Driver Efficiency and Keeps Inrush Currents to a Minimum

    LED driver reference design drives a single LED string with forward voltages up to 60V and allow...

    Adding Three Power MOSFETs Lets a Single Step-Down Converter Drive RGB LEDs in Projectors

    Reference design (RD) for low-power projector drives RGB high-brightness (HB) LEDs with up to 10...

    Reference Design for a High-Input-Voltage, High-Output-Current Buck Controller Using the MAX15046

    This reference design presents a circuit for using a step-down power-supply controller for high-...

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    The MAX16834 current-mode high-brightness LED driver is featured, and the MAX16834 EV (evaluatio...

    Boost Backlight LED Driver

    A LED display backlight driver using a boost switching power supply and linear current sinks for...

    Reference Design for a Signal-Lamp LED Driver

    A linear LED driver for 6 strings of 4 LEDs at a current of 350mA per string. Uses the MAX16836.

    Offline LED Driver Reference Design

    An 27 LED driver intended to run directly off a 400VDC input.

    Reference Design for a 3S3P Rear Combination Lamp (RCL) LED Driver

    An LED driver for a Rear Combination Lamp (RCL) using the MAX16823 and external BJTs.

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    In these days data processing elements are demanding higher currents from power supply for achie...

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    Boost application for steping up the battery voltage during cold crank for automotive applicatio...