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Introducing the LTM4611 –  Ultralow Input Voltage µModule ®  Regulator <ul><li>Source: LINEAR TECHNOLOGY </li></ul>
Introduction <ul><li>Purpose </li></ul><ul><ul><li>To introduce the LTM4611, an efficient 15A single supply ultra-low inpu...
LTM4611: Ultralow V IN , 15A DC/DC µ Module ®  Regulator <ul><li>Key Features </li></ul><ul><ul><li>Complete switching reg...
LTM4611: Specifications <ul><li>Specifications </li></ul><ul><ul><li>Single 15A step-down switching  µ Module ®  regulator...
LGA Reliability The complete µModule Regulator reliability report is continually updated and available on the LTM4611 prod...
LTM4611: Current Sharing <ul><li>Benefits </li></ul><ul><ul><li>To spread power loss across multiple regulators </li></ul>...
LTM4611: LTSpice Model <ul><li>Simple to verify using LTspice simulation software available for free! </li></ul><ul><ul><l...
LTM4611: Summary <ul><li>Very high efficiency conversion from a single 1.5V input </li></ul><ul><li>High output current 15...
Additional Resource <ul><li>For ordering LTM4611 regulators, please click the part list or </li></ul><ul><li>Call our sale...
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Introducing the LTM4611 - Ultralow Input Voltage µModule Regulator

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To introduce the LTM4611, an efficient 15A single supply ultra-low input voltage step-down µModule® regulator

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Introducing the LTM4611 - Ultralow Input Voltage µModule Regulator

  1. 1. Introducing the LTM4611 – Ultralow Input Voltage µModule ® Regulator <ul><li>Source: LINEAR TECHNOLOGY </li></ul>
  2. 2. Introduction <ul><li>Purpose </li></ul><ul><ul><li>To introduce the LTM4611, an efficient 15A single supply ultra-low input voltage step-down µModule ® regulator </li></ul></ul><ul><li>Outline </li></ul><ul><ul><li>An overview of the LTM4611 features </li></ul></ul><ul><ul><li>Describe the benefits of the LTM4611 </li></ul></ul><ul><ul><li>Present circuit configuration examples & design support tools </li></ul></ul><ul><li>Content </li></ul><ul><ul><li>9 pages </li></ul></ul>
  3. 3. LTM4611: Ultralow V IN , 15A DC/DC µ Module ® Regulator <ul><li>Key Features </li></ul><ul><ul><li>Complete switching regulator solution in a package </li></ul></ul><ul><ul><li>Highly Efficient single supply operation down to 1.5V input voltage </li></ul></ul><ul><ul><li>Easily Parallelable and/or Synchronizable to an external clock </li></ul></ul><ul><ul><li>Differential Remote Sensing for Precision Regulation </li></ul></ul><ul><ul><li>±2.0% Total DC Output Accuracy </li></ul></ul><ul><ul><li>Low 0.8V minimum output voltage </li></ul></ul><ul><ul><li>Only 3 external components required </li></ul></ul>Optional Components LTM4611
  4. 4. LTM4611: Specifications <ul><li>Specifications </li></ul><ul><ul><li>Single 15A step-down switching µ Module ® regulator </li></ul></ul><ul><ul><li>High Efficiency </li></ul></ul><ul><ul><ul><li>Up to 93% at 15A </li></ul></ul></ul><ul><ul><ul><li>Up to 83% at 1A </li></ul></ul></ul><ul><ul><li>Low Input Voltage Range: </li></ul></ul><ul><ul><ul><li>1.5V to 5.5V (DC/DC) </li></ul></ul></ul><ul><ul><li>Low Output Voltage Range: </li></ul></ul><ul><ul><ul><li>0.8V to 5.0V (DC/DC) </li></ul></ul></ul><ul><ul><ul><li>± 2% over line, load, temp </li></ul></ul></ul><ul><ul><li>Synchronizable (360kHz-710kHz) </li></ul></ul><ul><ul><li>Adjustable Soft Start & Power Good </li></ul></ul><ul><ul><li>Compact 15 x 15 x 4.32mm LGA (Land Grid Array) </li></ul></ul>
  5. 5. LGA Reliability The complete µModule Regulator reliability report is continually updated and available on the LTM4611 product webpage. Combined data for all LTMs in 15 x 15mm LGA Device Hours Failures High Temperature Bake (+150°C) Operating 3,754,868 0 Life Test (+125°C equivalent) 924,385 0 Device Cycles Failures Temp Cycle (-65°C to +150°C) 5,712,290 0 Thermal Shock (-65°C to +150°C) 4,692,800 0 Board Mount Temp Cycle (-40°C to +125°C) 1,141,000 0
  6. 6. LTM4611: Current Sharing <ul><li>Benefits </li></ul><ul><ul><li>To spread power loss across multiple regulators </li></ul></ul><ul><ul><li>Scale manufacturing costs according to system performance </li></ul></ul>CLK* (Optional) *To reduce input capacitance requirement V OUT I OUT up to 30A V IN LTM4611 VIN COMP TRACK/SS RUN MODE_PLLIN SGND GND VOUT VOUT_LCL DIFFVOUT VOSNS+ VOSNS- VFB LTM4611 VIN COMP TRACK/SS RUN MODE_PLLIN SGND GND VOUT VOUT_LCL DIFFVOUT VOSNS+ VOSNS- VFB 0° 180°
  7. 7. LTM4611: LTSpice Model <ul><li>Simple to verify using LTspice simulation software available for free! </li></ul><ul><ul><li>Pre-built models for virtually all Linear Technology products and many discrete components </li></ul></ul><ul><li>Detailed application & Design notes available for download </li></ul><ul><li>www.linear.com/ltspice </li></ul>
  8. 8. LTM4611: Summary <ul><li>Very high efficiency conversion from a single 1.5V input </li></ul><ul><li>High output current 15A </li></ul><ul><li>Compact surface mount package </li></ul><ul><li>Backed by Linear’s impressive test and reliability programs </li></ul><ul><li>Extensive design tools and notes available for download </li></ul><ul><li>Demoboards and samples available </li></ul>
  9. 9. Additional Resource <ul><li>For ordering LTM4611 regulators, please click the part list or </li></ul><ul><li>Call our sales hotline </li></ul><ul><li>For more product information go to </li></ul><ul><li>http://www.linear.com/micromodule </li></ul><ul><li>Visit element14 to post your question </li></ul><ul><ul><li> www.element-14.com </li></ul></ul><ul><li>For additional inquires contact our technical service hotline or even use our “Live Technical Chat” online facility </li></ul>Newark Farnell

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