MIC24045

Features
  • 4.5V to 19V input voltage range
  • 5A (maximum) output current
  • I2C Programmable Output Voltage:  0.64V to 5.25V in 5 mV, 10 mV, 30 mV and 50 mV Steps
  • 0.64V to 5.25V in 5 mV, 10 mV, 30 mV and 50 mV Steps
  • High Efficiency (>95%)
  • I2C programmability of:  Soft-Start: 0.16, 0.38, 0.76 and 1.5V/ms ramp rates   Switching Frequency: 310 kHz, 400 kHz, 500 kHz, 570 kHz, 660 kHz, 780 kHz, 1 MHz, 1.2 MHz  Current Limits for 2A, 3A, 4A and 5A loads
  • Soft-Start: 0.16, 0.38, 0.76 and 1.5V/ms ramp rates
  • Switching Frequency: 310 kHz, 400 kHz, 500 kHz, 570 kHz, 660 kHz, 780 kHz, 1 MHz, 1.2 MHz
  • Current Limits for 2A, 3A, 4A and 5A loads
  • ±1% output voltage accuracy
  • Supports safe start-up with pre-biased output
  • Internal soft-start and thermal shutdown protection
  • Hiccup-mode short-circuit protection
  • Available in a 20-pin 3mm x 3mm QFN package
  • -40°C to +125°C junction temperature range
Parameter
Parameter Name Value Value
Regulator Type Step Down (Buck) Step Down (Buck)
# of Outputs 1 1
Input Voltage Range Min (V) 4.5 4.5
Input Voltage Range Max (V) 19 19
Output Voltage Range Min (V) 0.65 0.65
Output Voltage Range Max (V) 5.5 5.5
Output Current (A) max 5 5
Switching Frequency (kHz) 1200 1200
Synchronous Rectifier Yes Yes
Operating Temp Range -40 to +125 -40 to +125
Vfb (V) 0.65 0.65
Duty Cycle Max (%) 90 90
Documents
MIC24045 I2C Programmable, 4.5V-19V Input, 5A Step-Down Converter Data SheetData Sheets05/16/20161015KB
Micrel AN 105 - Troubleshooting Switching Power SuppliesAppNote10/02/2015177KB
MIC24045 I2C Monitor (ADM00764)Software06/02/20163170KB
MIC24045 Evaluation Kit (ADM00764) BOMBOM06/02/201612KB
MIC24045 Evaluation Kit (ADM00764) GerbersGerber Files06/02/2016184KB
MIC24045 Evaluation Kit (ADM00764) SchematicsSchematics06/02/2016154KB
MIC24045Silicon Product06/27/20160B
MIC24045 Evaluation Kit User's GuideUser Guides06/28/2016701KB
Ordering Information
Part NumberLeadsPackage TypeTemp RangePacking1+26+100+1000+5000+
MIC24045-2ZYFL20VQFN-40C to +85CTUBE**********
MIC24045-2ZYFL-TR20VQFN-40C to +85CT/R**********
MIC24045-DIYFL20VQFN-40C to +85CTUBE**********
MIC24045-DIYFL-TR20VQFN-40C to +85CT/R**********
MIC24045-EIYFL20VQFN-40C to +85CTUBE**********
MIC24045-EIYFL-TR20VQFN-40C to +85CT/R**********
MIC24045-JFYFL20VQFN-40C to +85CTUBE**********
MIC24045-JFYFL-TR20VQFN-40C to +85CT/R**********
MIC24045-KDYFL20VQFN-40C to +85CTUBE**********
MIC24045-KDYFL-TR20VQFN-40C to +85CT/R**********
RoHS Information
PartNumberDeviceWeightShippingWeightLeadCountPackageTypePackageWidthSolderCompositionJEDECIndicatorRoHSChinaEFUP
MIC24045-2ZYFL-TR0.12870420VQFN3x3x0.9mmNiPdAue4
MIC24045-DIYFL-TR0.12870420VQFN3x3x0.9mmNiPdAue4
MIC24045-EIYFL-TR0.12870420VQFN3x3x0.9mmNiPdAue4
MIC24045-JFYFL-TR0.12870420VQFN3x3x0.9mmNiPdAue4
MIC24045-KDYFL-TR0.12870420VQFN3x3x0.9mmNiPdAue4
MIC24045-2ZYFL0.05000020VQFN3x3x0.9mmNiPdAue4
MIC24045-DIYFL0.05000020VQFN3x3x0.9mmNiPdAue4
MIC24045-EIYFL0.05000020VQFN3x3x0.9mmNiPdAue4
MIC24045-JFYFL0.05000020VQFN3x3x0.9mmNiPdAue4
MIC24045-KDYFL0.05000020VQFN3x3x0.9mmNiPdAue4
MIC24045 I2C Programmable, 4.5V-19V Input, 5A Step-Down Converter Data Sheet MIC24045
Micrel AN 105 MIC2194
MIC24045 I2C Monitor (ADM00764) MIC24046
MIC24045 Evaluation Kit (ADM00764) BOM MIC24046
MIC24045 Evaluation Kit (ADM00764) Gerbers MIC24046
MIC24045 Evaluation Kit (ADM00764) Schematics MIC24046