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Micrel, Inc. 

MIC23099 Evaluation Board 

 

MICREL, INC.   2180 FORTUNE DRIVE   SAN JOSE, CA  95131   USA 

TEL +1 (408) 944-0800  FAX +1 (408) 474-1000  WEB 

http://www.micrel.com

  

 

Micrel makes no representations or warranties with respect to the accuracy or completeness of the information furnished in this data sheet. This 

information is not intended as a warranty and Micrel does not assume responsibility for its use.  Micrel reserves the right to change circuitry, 

specifications and descriptions at any time without notice.  No license, whether express, implied, arising by estoppel or otherwise, to any intellectual 

property rights is granted by this document.  Except as provided in Micrel’s terms and conditions of sale for such products, Micrel assumes no liability 

whatsoever, and Micrel disclaims any express or implied warranty relating to the sale and/or use of Micrel products including liability or warranties 

relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual property right. 

 

Micrel Products are not designed or authorized for use as components in life support appliances, devices or systems where malfunction of a product 

can reasonably be expected to result in personal injury. Life support devices or systems are devices or systems that (a) are intended for surgical 

implant into the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant injury to the user. A 
Purchaser’s use or sale of Micrel Products for use in life support appliances, devices or systems is a Purchaser’s own risk and Purchaser agrees to fully 

indemnify Micrel for any damages resulting from such use or sale. 

 

© 2014 Micrel, Incorporated. 

 

May 30, 2014 

11 

Revision 1.0 

 

Summary of Contents for MIC23099

Page 1: ...age the device The maximum operating rating for VIN is 1 6V Exceeding 1 6V on the VIN could damage the device Getting Started 1 VIN Supply Connect a supply to the VIN and GND terminals paying careful...

Page 2: ...ersus output load current The boost regulator operates in either PWM or PFM mode To avoid PWM to PFM chatter the PWM entry and exit points are not the same When in PFM mode the output current needs to...

Page 3: ...wer Cycling If either VOUT1 or VOUT2 outputs are out of tolerance for longer than the power good deglitch delay of between 60ms to 120ms then both outputs are disabled The power down procedure is the...

Page 4: ...eak switch current exceeds the NMOS current limit threshold then the low side switch is immediately turned off and the high side switch is turned on Peak switch current is limited to approximately 1 5...

Page 5: ...rrent VIN 1 8V VOUT2 1 0V TA 25 C PFM 1 0 0 5 0 0 0 5 1 0 0 0 01 0 02 0 03 LOAD REGULATION OUTPUT CURRENT A Buck Load Regulation vs Output Current VIN 1 8V VOUT2 1 0V TA 25 C PFM 0 598 0 600 0 602 0 6...

Page 6: ...Micrel Inc MIC23099 Evaluation Board Typical Application Schematic Pin Configuration 14 Pin 2 5mm 2 5mm QFN YFT Top View May 30 2014 6 Revision 1 0...

Page 7: ...R8M01 Vishay Dale 4 6 8 H 1 5A Inductor 90m 3 8mm 3 8mm 1 8mm 1 L2 CIG2MW4R7NNE Samsung 4 7 H 1 1A Inductor 140m 2 0mm 1 6mm 1 0mm 1 R1 RC1005F3833CS Samsung 383k Resistor 0402 1 1 R2 RC1005F1913CS Sa...

Page 8: ...Micrel Inc MIC23099 Evaluation Board PCB Layout Recommendations Top Layer Power Trace Layer Layer 2 Ground Plane May 30 2014 8 Revision 1 0...

Page 9: ...Micrel Inc MIC23099 Evaluation Board PCB Layout Recommendations Continued Layer 3 Routing Layer Bottom Layer Ground Plane May 30 2014 9 Revision 1 0...

Page 10: ...luation Board Package Information and Recommended Landing Pattern 6 Note 6 Package information is correct as of the publication date For updates and most current information go to www micrel com May 3...

Page 11: ...y express or implied warranty relating to the sale and or use of Micrel products including liability or warranties relating to fitness for a particular purpose merchantability or infringement of any p...

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