MAXM17633

RECOMMENDED FOR NEW DESIGNS

4.5V to 36V, 2A Himalaya uSLIC Step-Down Power Modules

High-Efficiency Synchronous Buck Regulator Offers Balance of High Performance, Wide Temperature Range, and Small Size

Data Sheet (Rev. 0) Product Selection Table
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Overview

  • Easy to Use
    • Wide 4.5V to 36V Input
    • Adjustable 0.9V to 12V Output (MAXM17635)
    • Fixed 3.3V and 5V Output Versions (MAXM17633 and MAXM17634)
    • 400kHz to 2.2MHz Adjustable Frequency with External Clock Synchronization
    • ±1.2% Feedback Accuracy
    • Up to 2A Output Current
    • Internally Compensated
    • All Ceramic Capacitors
  • High Efficiency
    • Selectable PWM, PFM, or DCM Mode of Operation
    • Shutdown Current as Low as 2.8µA (typ)
  • Flexible Design
    • Programmable Soft-Start and Prebias Startup
    • Open-Drain Power Good Output (Active Low RESET Pin)
    • Programmable EN/UVLO Threshold
  • Robust Operation
    • Hiccup Overcurrent Protection
    • Overtemperature Protection
    • -40°C to +125°C Ambient Operating Temperature/-40°C to +150C Junction Temperature
  • Rugged
    • Complies with CISPR22(EN55022) Class B Conducted and Radiated Emissions
    • Passes Drop, Shock, and Vibration Standards: JESD22-B103, B104, B111
MAXM17633
4.5V to 36V, 2A Himalaya uSLIC Step-Down Power Modules
MAXM17633, MAXM17634, MAXM17635: Typical Application Circuit
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Documentation

Data Sheet 1

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Tools & Simulations

ADI Power Studio™ Designer

ADI Power Studio™ Designer is the next-generation tool for IC-level, power supply design, guiding engineers to faster, validated solutions.

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SIMPLIS Models 1

Evaluation Kits

MAXM17635EVKIT

Evaluation Kit for the MAXM17633/MAXM17634/MAXM17635 Modules in Application

Buy Now View Details

Features and Benefits

  • Wide 4.5V to 36V Input Range
  • MAXM17633 Offers High 85.7% Efficiency (VIN = 24V, VOUT = 3.3V, IOUT = 1.5A)
  • MAXM17634 Offers High 90.6% Efficiency (VIN = 24V, VOUT = 5V, IOUT = 1.4A)
  • MAXM17635 Offers High 92.5% Efficiency (VIN = 24V, VOUT = 12V, IOUT = 1.8A)
  • Enable/UVLO Input, Resistor-Programmable UVLO Threshold
  • Selectable PWM, PFM, and DCM Modes of Operation
  • Programmed 1ms Soft-Start Time
  • Provision to Synchronize the Modules to the External-Clock Source
  • Active-low RESET Outputs, with Pullup Resistor to the Respective VCC
  • Low-Profile, Surface-Mount Components
  • Proven PCB Layout
  • Fully Assembled and Tested
  • Complies with CISPR22(EN55022) Class B Conducted and Radiated Emissions

Product Details

MAXM17633/MAXM17634/MAXM17635 evaluation kits (EV kits) provide proven designs to evaluate the performance of MAXM17633/MAXM17634/MAXM17635 modules. Each of these modules operates over a wide input range from 4.5V to 36V and delivers up to 2A output current. The modules are configured to demonstrate optimum performance and component sizes in these EV kits.

The MAXM17633 module delivers up to 2A, with a fixed 3.3V output. The module is configured to operate at 800kHz switching frequency, over a 4.5V to 36V input range.

The MAXM17634 module delivers up to 2A, with a fixed 5V output. The module is configured to operate at 1MHz switching frequency, over a 7V to 36V input range.

The MAXM17635 adjustable module is configured for a 12V output, delivering up to 2A. The module is configured to operate at a 1.8MHz switching frequency, over an 18V to 36V input range.

The EV kits feature an adjustable input undervoltage lockout, adjustable soft-start, open-drain active-low RESET signal, external frequency synchronization, and selectable mode of operation (PWM/PFM/DCM). The MAXM17633/ MAXM17634/MAXM17635 module family data sheet provides a complete description of the part that should be read in conjunction with this data sheet prior to operating the EV kits.

Applications

  • Base Station Power Supplies
  • Distributed Supply Regulation
  • General-Purpose Point-of-Load
  • High Voltage Single-Board Systems
  • Industrial Control Power Supplies
  • Programmable Logic Controller

MAXM17633EVKIT

Evaluation Kit for the MAXM17633/MAXM17634/MAXM17635 Modules in Application

Buy Now View Details

Features and Benefits

  • Wide 4.5V to 36V Input Range
  • MAXM17633 Offers High 85.7% Efficiency (VIN = 24V, VOUT = 3.3V, IOUT = 1.5A)
  • MAXM17634 Offers High 90.6% Efficiency (VIN = 24V, VOUT = 5V, IOUT = 1.4A)
  • MAXM17635 Offers High 92.5% Efficiency (VIN = 24V, VOUT = 12V, IOUT = 1.8A)
  • Enable/UVLO Input, Resistor-Programmable UVLO Threshold
  • Selectable PWM, PFM, and DCM Modes of Operation
  • Programmed 1ms Soft-Start Time
  • Provision to Synchronize the Modules to the External-Clock Source
  • Active-low RESET Outputs, with Pullup Resistor to the Respective VCC
  • Low-Profile, Surface-Mount Components
  • Proven PCB Layout
  • Fully Assembled and Tested
  • Complies with CISPR22(EN55022) Class B Conducted and Radiated Emissions

Product Details

MAXM17633/MAXM17634/MAXM17635 evaluation kits (EV kits) provide proven designs to evaluate the performance of MAXM17633/MAXM17634/MAXM17635 modules. Each of these modules operates over a wide input range from 4.5V to 36V and delivers up to 2A output current. The modules are configured to demonstrate optimum performance and component sizes in these EV kits.

The MAXM17633 module delivers up to 2A, with a fixed 3.3V output. The module is configured to operate at 800kHz switching frequency, over a 4.5V to 36V input range.

The MAXM17634 module delivers up to 2A, with a fixed 5V output. The module is configured to operate at 1MHz switching frequency, over a 7V to 36V input range.

The MAXM17635 adjustable module is configured for a 12V output, delivering up to 2A. The module is configured to operate at a 1.8MHz switching frequency, over an 18V to 36V input range.

The EV kits feature an adjustable input undervoltage lockout, adjustable soft-start, open-drain active-low RESET signal, external frequency synchronization, and selectable mode of operation (PWM/PFM/DCM). The MAXM17633/ MAXM17634/MAXM17635 module family data sheet provides a complete description of the part that should be read in conjunction with this data sheet prior to operating the EV kits.

Applications

  • Base Station Power Supplies
  • Distributed Supply Regulation
  • General-Purpose Point-of-Load
  • High Voltage Single-Board Systems
  • Industrial Control Power Supplies
  • Programmable Logic Controller

MAXM17634EVKIT

Evaluation Kit for the MAXM17633/MAXM17634/MAXM17635 Modules in Application

Buy Now View Details

Features and Benefits

  • Wide 4.5V to 36V Input Range
  • MAXM17633 Offers High 85.7% Efficiency (VIN = 24V, VOUT = 3.3V, IOUT = 1.5A)
  • MAXM17634 Offers High 90.6% Efficiency (VIN = 24V, VOUT = 5V, IOUT = 1.4A)
  • MAXM17635 Offers High 92.5% Efficiency (VIN = 24V, VOUT = 12V, IOUT = 1.8A)
  • Enable/UVLO Input, Resistor-Programmable UVLO Threshold
  • Selectable PWM, PFM, and DCM Modes of Operation
  • Programmed 1ms Soft-Start Time
  • Provision to Synchronize the Modules to the External-Clock Source
  • Active-low RESET Outputs, with Pullup Resistor to the Respective VCC
  • Low-Profile, Surface-Mount Components
  • Proven PCB Layout
  • Fully Assembled and Tested
  • Complies with CISPR22(EN55022) Class B Conducted and Radiated Emissions

Product Details

MAXM17633/MAXM17634/MAXM17635 evaluation kits (EV kits) provide proven designs to evaluate the performance of MAXM17633/MAXM17634/MAXM17635 modules. Each of these modules operates over a wide input range from 4.5V to 36V and delivers up to 2A output current. The modules are configured to demonstrate optimum performance and component sizes in these EV kits.

The MAXM17633 module delivers up to 2A, with a fixed 3.3V output. The module is configured to operate at 800kHz switching frequency, over a 4.5V to 36V input range.

The MAXM17634 module delivers up to 2A, with a fixed 5V output. The module is configured to operate at 1MHz switching frequency, over a 7V to 36V input range.

The MAXM17635 adjustable module is configured for a 12V output, delivering up to 2A. The module is configured to operate at a 1.8MHz switching frequency, over an 18V to 36V input range.

The EV kits feature an adjustable input undervoltage lockout, adjustable soft-start, open-drain active-low RESET signal, external frequency synchronization, and selectable mode of operation (PWM/PFM/DCM). The MAXM17633/ MAXM17634/MAXM17635 module family data sheet provides a complete description of the part that should be read in conjunction with this data sheet prior to operating the EV kits.

Applications

  • Base Station Power Supplies
  • Distributed Supply Regulation
  • General-Purpose Point-of-Load
  • High Voltage Single-Board Systems
  • Industrial Control Power Supplies
  • Programmable Logic Controller
MAXM17635EVKIT
Evaluation Kit for the MAXM17633/MAXM17634/MAXM17635 Modules in Application
MAXM17633EVKIT
Evaluation Kit for the MAXM17633/MAXM17634/MAXM17635 Modules in Application
MAXM17634EVKIT
Evaluation Kit for the MAXM17633/MAXM17634/MAXM17635 Modules in Application

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