The Himalaya series of voltage regulator ICs, power modules,and chargers enable cooler, smaller, and simplerpower-supply solutions. The MAX17643 high-efficiency,high-voltage, Himalaya synchronous step-down DC-DCconverter with integrated MOSFETs operates over a 4.5Vto 60V input. The converter can deliver up to 2A and generatesoutput voltages from 0.9V up to (0.9 x VIN)V. Thefeedback (FB) voltage is accurate to within ±.4% over-40°C to +125°C. Built-in compensation across the output-voltage range eliminates the need for external components.The MAX17643 features peak-current-mode controlarchitecture and operates in fixed frequency forcedPWM mode. The current-limit settings of the MAX17643allow the device to supply load-current peaks up to 2A.This allows the device to support pulsed load applicationssuch as communication modules with minimal output-voltagedroop. The MAX17643 offers a low minimum on-timethat allows high switching frequencies and a smaller solutionsize.The device is available in a 12-pin (3mm × 3mm) TDFNpackage. Simulation models are available.ApplicationsIndustrial-Control Power SuppliesGeneral-Purpose Point-of-LoadDistributed Supply RegulationBase-Station Power SuppliesWall Transformer RegulationHigh-Voltage, Single-Board SystemsPulsed-Load ApplicationsCommunication Modules

The Himalaya series of voltage regulator ICs, power modules, and chargers enable cooler, smaller, and simpler power-supply solutions. MAX17670, MAX17671, and MAX17672 are dual-output regulators integrating a 4V to 60V, 150mA high-voltage, high-efficiency, Himalaya synchronous step-down converter with internal MOSFETs and a high-PSRR, low-noise, 2.35V to 5.5V, 50mA linear regulator. The MAX17670 and MAX17671 provide fixed step-down converter output voltagesof 3.3V and 5V, respectively. The output voltage ofthe MAX17672 step-down converter is adjustable (0.8Vup to 90% of VIN). 3.3V (MAX17671 and MAX17672only), 3.0V, 2.5V, 1.8V, 1.5V, and 1.2V linear regulatoroutput voltage options are supported.The feedback-voltage regulation accuracy over -40°Cto +125°C temperature range for the linear regulatoris ±1.3% and for the step-down converter is ±2%. Thedevices are available in a compact 10-pin (3mm x 3mm)TDFN package. Simulation models are available.ApplicationsBattery-Powered EquipmentHigh-Voltage Linear Regulator ReplacementHVAC and Building ControlIndustrial Sensors and Process Control

MAX17673/MAX17673A power management integrated circuits (PMIC) integrate a 60V high voltage (HV), high efficiency synchronous DC-DC buck regulator and two 5.5V high efficiency synchronous DC-DC buck regulators. All three regulators offer integrated power MOSFETs.The HV regulator operates from a 4.5V to 60V input voltage range and the LV regulators operate from a 2.7V to 5.5V input voltage range. The HV regulator supports load currents up to 1.5A, and can regulate output voltages from 0.9V to 5.5V. The LV regulators support load currents up to 1A, and can regulate output voltages from 0.75V to 4.8V.MAX17673/MAX17673A offer independent peak current mode control, hiccup mode overcurrent protection, ENABLE input and Power OK signal in the three regulators. The switching frequency is adjustable between 1MHz and 4MHz in the LV regulators, and the HV regulator can be programmed to run at a fractional switching frequency of the LV regulators. The HV regulator offers an adjustable soft-start function, while the LV regulators present internally fixed soft-start. Users can choose to operate the devices in either pulse frequency modulation (PFM) or forced pulse width modulation (PWM) scheme.The devices are available in a 28-pin, 5mm x 5mm TQFN package and operates over a -40°C to +125°C temperature range.ApplicationsBase Station Power SuppliesDistributed Supply RegulationFPGA/CPLD Power SuppliesHigh Voltage Single Board SystemsIndustrial Control Power Supplies

The Himalaya series of voltage regulator ICs, power modules,and chargers enable cooler, smaller, and simplerpower supply solutions. The MAX17701 is a high efficiency,high voltage, Himalaya synchronous, step-down, supercapacitorcharger controller designed to operate overan input-voltage range of a 4.5V to 60V. The MAX17701operates over a -40°C to +125°C industrial temperaturerange and charges a supercapacitor with a ±4% accurateconstant current. After the supercapacitor is charged, thedevice regulates the no-load output voltage with ±1% accuracy.The output voltage is programmable from 1.25Vup to (VDCIN - 2.1V).The MAX17701 supercapacitor charger controller is designedto provide a holistic application solution requiringbackup energy storage with a precise charging capability.The device uses an external nMOSFET to provide inputsupply-side short-circuit protection; thus, preventing supercapacitordischarge.The MAX17701 provides a safety timer (TMR) feature toset the maximum allowed constant current (CC) modecharging time. The device features an uncommitted comparator,which can be used to detect an output overvoltageevent (OVI) and prevent the supercapacitor fromovercharging. The MAX17701 is available in a 24-pin4mm x 4mm TQFN package with an exposed pad.ApplicationsPeak Power Delivery and Energy StorageBackup Power for Industrial SafetyRide-Through Last-Gasp SuppliesPortable Medical EquipmentBuilding and Home Automation Backup Power

The MAX20004/MAX20006/MAX20008 are small, synchronous, automotive buck converter devices with integrated high-side and low-side MOSFETs. The device family can deliver up to 8A with input voltages from 3.5V to 36V, while using only 25µA quiescent current at no load. Voltage quality can be monitored by observing the active-low RESET signal. The devices can operate in dropout by running at 98% duty cycle, making them ideal for automotive applications.The devices offer fixed output voltages of 5V and 3.3V, along with the ability to program the output voltage between 1V and 10V. Frequency is resistor programmable from 220kHz to 2.2MHz. The devices offer a forced fixed-frequency PWM mode (FPWM) and skip mode with ultra-low quiescent current. The devices can be factory programmed to enable spread-spectrum switching to reduce EMI.The MAX20004/MAX20006/MAX20008 are available in a small, 3.5mm x 3.75mm, 17-pin FC2QFN package and use very few external components.ApplicationsDistributed DC Power SystemsNavigation and Radio Head UnitsPoint-of-Load Applications in Automotive

The MAX20004E/MAX20006E/MAX20008E are small, synchronous buck converters with integrated high-side and low-side MOSFETs. The device family can deliver up to 8A with input voltages from 3V to 36V, while using only 15µA quiescent current at no load (except for MAX20006EAFOD/VY+ which has FPWM mode only). Voltage quality can be monitored by observing the active-low RESET signal. The devices can operate in dropout by running at 98% duty cycle, making them ideal for automotive applications.The devices offer fixed output voltages of 5V, 3.9V, or 3.3V. Compensation is internal to the device, providingexcellent transient response. Frequency can be 400kHz or 2.1MHz. The devices offer a forced fixed-frequencymode and skip mode with ultra-low quiescent current of 15µA. The device has a pin-selectable (SSEN) spread-spectrum enable to further assist systems designers with better EMC management. The MAX20004E/MAX20006E/MAX20008E are available in a small, 3.5mm x 3.75mm, 17-pin FC2QFN package and use very few external components.ApplicationsADASDistributed DC Power SystemsNavigation and Radio Head UnitsPoint-of-Load Applications in Automotive

The MAX20010C/MAX20010D/MAX20010E ICs are high-efficiency, synchronous step-down converters that operate with a 3.0V to 5.5V input voltage range and provide a 0.5V to 1.5875V output voltage range. The wide input/output voltage range and the ability to provide up to 6A load current make these ICs ideal for on-board point-of-load and post-regulation applications. The ICs achieve ±2% output error over load, line, and temperature ranges. The MAX20010D/MAX20010E offers improved transient response. The ICs feature a 2.2MHz fixed-frequency PWM mode for better noise immunity and load-transient response, and a pulse-frequency modulation mode (skip) for increased efficiency during light-load operation. The 2.2MHz frequency operation allows the use of all-ceramic capacitors and minimizes the solution footprint. The programmable spread-spectrum frequency modulation minimizes radiated electromagnetic emissions. Integrated low RDS(ON) switches improve efficiency at heavy loads and make the layout a much simpler task with respect to discrete solutions. The ICs are offered with factory-preset output voltages (see the Ordering Information for options). The I2C interface supports dynamic voltage adjustment with programmable slew rates. Other features include programmable soft-start, overcurrent, and overtemperature protections.

The MAX20010C/MAX20010D/MAX20010E ICs are high-efficiency, synchronous step-down converters that operate with a 3.0V to 5.5V input voltage range and provide a 0.5V to 1.5875V output voltage range. The wide input/output voltage range and the ability to provide up to 6A load current make these ICs ideal for on-board point-of-load and post-regulation applications. The ICs achieve ±2% output error over load, line, and temperature ranges. The MAX20010D/MAX20010E offers improved transient response. The ICs feature a 2.2MHz fixed-frequency PWM mode for better noise immunity and load-transient response, and a pulse-frequency modulation mode (skip) for increased efficiency during light-load operation. The 2.2MHz frequency operation allows the use of all-ceramic capacitors and minimizes the solution footprint. The programmable spread-spectrum frequency modulation minimizes radiated electromagnetic emissions. Integrated low RDS(ON) switches improve efficiency at heavy loads and make the layout a much simpler task with respect to discrete solutions. The ICs are offered with factory-preset output voltages (see the Ordering Information for options). The I2C interface supports dynamic voltage adjustment with programmable slew rates. Other features include programmable soft-start, overcurrent, and overtemperature protections.

The MAX20012B is a dual-output, high-efficiencysynchronous step-down controller IC that operates with a 3.0V to 5.5V input voltage range and provides a 0.5V to 1.5875V output voltage range. The controller architecture enables up to 12A of load current per phase. Channel 1 has an option to operate with two phases to deliver higher load current, making this device ideal for automotive point-of-load (PoL) and post-regulation applications.The IC achieves ±2% output error over load, line, and temperature ranges. The IC features a 2.2MHz fixed-frequency PWM mode for better noise immunity and load-transient response, and a pulse-frequency modulation mode (skip) for increased efficiency during light-load operation. The 2.2MHz frequency operation allows the use of all-ceramic capacitors and minimizes external components. The programmable spread-spectrum frequency modulation minimizes radiated electromagnetic emissions.The MAX20012B is offered with factory-preset output voltages (see the Selector Guide for options). The I2C interface supports dynamic voltage adjustment with programmable slew rates for each channel. Other features include programmable soft-start, overcurrent, and overtemperature protections.ApplicationsAutomotiveCore Processor System/GPU Power

MAX20019/MAX20020 are 2.2MHz and 3.2MHz dual step-down converters with integrated high-side and low-side MOSFETs. The high-voltage step-down converter is designed for continuous operation up to 17V input voltages. The output voltage is factory preset. Buck 1 is preset to 3.3V, 3.0V, or 2.8V. Buck 2 is preset to 1.8V, 1.5V, 1.2V, or 1V. Another option is Buck 1 preset to 5V and Buck 2 preset to 3.3V. The low-voltage buck features fixed-frequency PWM- mode operation with a switching frequency of 2.2MHz or 3.2MHz. High-frequency operation allows for an all-ceramic capacitor design and small-size external components. The low-resistance on-chip switches ensure high efficiency while minimizing critical inductance. A 500mV enable hysteresis on the MAX20019 allows the use of long, low-cost coax cables, even during slow startup situations. The MAX20020’s Buck 1 starts after VSUP is greater than 5.5V and Buck 1 is driven by the EN input. Protection features include overvoltage (OV) protection, cycle-by-cycle current limit, and thermal shutdown with automatic recovery. The buck converters operate 180° out-of-phase from each other to minimize input-current ripple. Design Solution: Provide a Safe Power Path from the Car Battery toRemote Cameras ›Design Solution: How to Miniaturize Your Automotive Remote Camera ›ApplicationsAutomotive Point-of-LoadSurround-View Camera Power Supplies