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


Please check latest availability status for a specific part variant.

Description

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.
MAX15036, MAX15037: Pin Configurations MAX15036, MAX15037: Pin Configurations Enlarge+

Key Features

  • 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

Applications/Uses

  • Automotive Radio Power Supplies
  • IP Phones/WLAN Access Points
  • Servers and Networks
  • xDSL Modem Power Supplies

See parametric specs for Step-Down Switching Regulators (408)


Part NumberVIN
(V)
VIN
(V)
VOUT1
(V)
Output Adjust. MethodIOUT1
(A)
Switch TypeSynchronous SwitchingPower Good SignalDC-DC OutputsOper. Freq.
(kHz)
Package/PinsBudgetary
Price
minmaxminmaxSee Notes
MAX15036 4.5230.6Resistor3InternalYesYes12200
TQFN/16
$2.62 @1k

See parametric specs for Step-Up Switching Regulators (101)


Part NumberVIN
(V)
VIN
(V)
VOUT1
(V)
IOUT1
(A)
Output Adjust. MethodSwitch TypePower Good SignalSynchronous SwitchingICC
(mA)
DC-DC OutputsOper. Freq.
(kHz)
Package/Pins
minmaxmaxmaxtyp
MAX15036 4.523283ResistorInternalYesYes1.812200
See Data Sheet

Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
Request Reliability Report for: MAX15037 
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C   Material Composition  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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