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Maxim > Products > [Automotive]  [Power and Battery Management] 
MAX15036, 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


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 396kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

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.

Key Features   Applications/Uses
  • 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

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

    Key Specifications:  Step-Down Switching Regulators
    Part Number VIN
    (V)    		 VIN
    (V)    		 VOUT
    (V)    		 VOUT
    (V)    		 Max. IOUT
    (A)    		 Max. IOUT
    (A)    		 Output Adjust. Method DC-DC Outputs Oper. Freq.
    (kHz)    		 Package/Pins Smallest Available Pckg.
    (mm2)    		 Price
    min max min max ≥ ≤ max w/pins See Notes
    MAX15036  4.5 23 - - - - Resistor 1 2200
    TQFN/16
    		 26 $1.93 @1k
    MAX15037  0.6 23 3 3
    TQFN/16
    		 $2.13 @1k
    See All Step-Down Switching Regulators (264)

    Key Specifications:  Step-Up Switching Regulators
    Part Number VIN
    (V)    		 VIN
    (V)    		 Output Adjust. Method DC-DC Outputs Oper. Freq.
    (kHz)    		 Package/Pins Smallest Available Pckg.
    (mm2)    		 Price
    min max max w/pins See Notes
    MAX15036  4.5 23 Resistor 1 2200
    TQFN/16
    		 26 $1.93 @1k
    See All Step-Up Switching Regulators (92)

    Diagram
    MAX15036, MAX15037: Pin Configurations
    Pin Configurations

    Design Guides
  		• Power Solutions for Enterprise Management (PDF)

    Reliability Reports
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    Software/Models
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    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.


    Devices: 1-8 of 8

    MAX15036 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX15036ATE/V+    
    		Active

    Land Pattern: Not Available

    		-40°C to +125°C See data sheet
    MAX15036ATE/V+T    
    		Active

    Land Pattern: Not Available

    		-40°C to +125°C See data sheet
    MAX15036ATE+  
    		Active TQFN;16 pin;26 mm²
    Outline Drawing: 21-0140 (PDF)
    Land Pattern: 90-0073 (PDF)
    Use pkgcode/variation: T1655+3*
    		-40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX15036ATE+T    
    		Active TQFN;16 pin;26 mm²
    Outline Drawing: 21-0140 (PDF)
    Land Pattern: 90-0073 (PDF)
    Use pkgcode/variation: T1655+3*
    		-40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX15037 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX15037ATE/V+    
    		Active

    Land Pattern: Not Available

    		-40°C to +125°C See data sheet
    MAX15037ATE/V+T    
    		Active

    Land Pattern: Not Available

    		-40°C to +125°C See data sheet
    MAX15037ATE+T    
    		Active

    Land Pattern: Not Available

    		-40°C to +125°C See data sheet
    MAX15037ATE+  
    		Active TQFN;16 pin;26 mm²
    Outline Drawing: 21-0140 (PDF)
    Land Pattern: 90-0073 (PDF)
    Use pkgcode/variation: T1655+3*
    		-40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    Related Products
    MAX5072 2.2MHz, Dual-Output Buck or Boost Converter with POR and Power-Fail Output
    MAX5073 2.2MHz, Dual-Output Buck or Boost Converter with Internal Power MOSFETs
    MAX5088, MAX5089 2.2MHz, 2A Buck Converters with an Integrated High-Side Switch

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    Document Ref.: 19-4222; Rev 0; 2008-08-19
    This page last modified: 2009-07-29


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