MAX15037

2.2MHz, 3A Buck or Boost Converters with an Integrated High-Side Switch

2.2MHz, High Switching Frequency, DC-DC Converters Deliver Up to 3A

Data Sheet (Rev. 0)
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Overview

  • 4.5V to 5.5V or 5.5V to 23V Input Voltage Range
  • Output Voltage Adjustable Down to 0.6V (Buck) or Up to 28V (Boost)
  • 3A Output Current
  • Synchronous Rectifier Driver Output (MAX15037) for Higher Efficiency
  • Resistor-Programmable Switching Frequency from 200kHz to 2.2MHz
  • External Synchronization and Enable (On/Off) Inputs
  • Clock Output for Driving Second Converter 180° Out-Of-Phase (MAX15036)
  • Integrated 150mΩ High-Side n-Channel Power MOSFET
  • Power-On-Reset Output (MAX15036)/Power-Good Output (MAX15037)
  • Short-Circuit Protection (Buck)/Maximum Duty-Cycle Limit (Boost)
  • Thermal-Shutdown Protection
  • Thermally Enhanced 16-Pin TQFN Package Dissipates 2.7W

The MAX15036/MAX15037 high-frequency, DC-DC converters with an integrated n-channel power MOSFET provide up to 3A of load current. The MAX15036 includes an internal power MOSFET to enable the design of a nonsynchronous buck or boost topology power supply. The MAX15037 is for the design of a synchronous buck topology power supply. These devices operate from a 4.5V to 5.5V or 5.5V to 23V input voltage and offer the ability to set the switching frequency from 200kHz to 2.2MHz with an external resistor. The voltage-mode architecture with a peak switch current-limit scheme provides stable operation up to a 2.2MHz switching frequency. The MAX15036 includes a clock output for driving a second DC-DC converter 180° out-of-phase and a power-on-reset (active-low RESET) output. The MAX15037 includes a power-good output and a synchronous rectifier driver to drive an external low-side MOSFET in the buck converter configuration for high efficiency.

The MAX15036/MAX15037 protect against overcurrent conditions by utilizing a peak current limit as well as overtemperature shutdown providing a very reliable and compact power source for point-of-load regulation applications. Additional features include synchronization, internal digital soft-start, and an enable input. The MAX15036/MAX15037 are available in a thermally enhanced, space-saving 16-pin TQFN (5mm x 5mm) package and operate over the -40°C to +125°C temperature range.

Applications

  • Automotive Radio Power Supplies
  • IP Phones/WLAN Access Points
  • Servers and Networks
  • xDSL Modem Power Supplies
MAX15037
2.2MHz, 3A Buck or Boost Converters with an Integrated High-Side Switch
MAX15036, MAX15037: Pin Configurations
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Documentation

Data Sheet 1

Technical Articles 2

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Switching Regulators & Controllers 3
MAX5088
2.2MHz, 2A Buck Converters with an Integrated High-Side Switch
MAX5072
PRODUCTION 2.2MHz, Dual-Output Buck or Boost Converter with POR and Power-Fail Output
MAX5073
PRODUCTION 2.2MHz, Dual-Output Buck or Boost Converter with Internal Power MOSFETs
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