IC-Hersteller Microchip

IC-Hersteller (103)

Microchip MIC2132 | Demoboard EV78U64A

75V Dual Phase, Advanced COT Buck Controller, Stackable for Multiphase Operation

Details

TopologieAbwärtswandler
Eingangsspannung36-60 V
Schaltfrequenz100-1000 kHz
Ausgang 112 V
IC-Revision1

Beschreibung

The EV78U64A Evaluation Board is a standalone 48V nominal to 12V DC-DC converter module. The module features the MIC2132 controller and encompasses dual interleaved buck converters. On the EV78U64A module the MIC2132 is coupled to EPC2218 GaN transistors, to enable a highly efficient converter within a small footprint.

Eigenschaften

  • Input Voltage Range: 8V to 75V
  • Input Down to 2V when VDD = 5V from External Supply
  • Adjustable Output Voltage from 0.6V to 28V
  • Adaptive Constant On-Time Control:
  • High DeltaV™ operation
  • Any Capacitor™ stable
  • 0.6V Internal Reference with ±1% Accuracy
  • Novel Ripple Injection Method to Allow Greater than 50% Duty Cycle Operation
  • Operates in CCM, Stackable for Multiphase Operation up to Eight Phases
  • Accurate Current Balancing Between Phases
  • Accurate 180° Phasing of Outputs
  • 100 kHz to 1 MHz Switching Frequency per Phase
  • Secondary LDO to Improve System Efficiency
  • Supports Start-up to Pre-Bias Output
  • Remote Sense Amplifier for Tight Output Regulation
  • Droop Feature to Support Adaptive Voltage Positioning (AVP) for Improved Load Transient Response
  • Precision Enable Function for Low Standby Current
  • External Programmable Soft Start to Reduce Inrush Current
  • Lossless RDSON Current Sensing with NTC
  • Temperature Compensation or Resistor Sensing Method
  • Programmable Current Limit and Hiccup Mode Short-Circuit Protection
  • Thermal Shutdown with Hysteresis
  • -40°C to +125°C Junction Temperature Range
  • Compact Size: 5 mm x 5 mm 32-Pin VQFN Package
  • AEC-Q100 Qualified (VAO Suffix)

Typische Anwendungen

  • Distributed Power Systems, FPGA, CPU, Memory, GPU Core Supplies
  • Automotive POL
  • Communications/Networking Infrastructure
  • Printers, Scanners, Graphic and Video Cards

Weiterführende Informationen

Artikeldaten

Artikel Nr.
Daten­blatt
Simu­lation
Downloads
Status
Produktserie
C
Tol. C
VR(V (DC))
Bauform
Betriebstemperatur
DF(%)
RISO
Keramiktyp
L(mm)
B(mm)
H(mm)
Fl(mm)
Verpackung
Endurance(h)
IRIPPLE(mA)
Z(mΩ)
ILeak(µA)
Ø D(mm)
Muster
WCAP-CSGP MLCCs 25 V(DC), 22 µF, ±20%
Simu­lation
Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre.
Kapazität22 µF
Kapazität±20% 
Nennspannung25 V (DC)
Bauform1210 
Betriebstemperatur -55 °C up to +85 °C
Verlustfaktor10 %
Isolationswiderstand0.005 GΩ
KeramiktypX5R Klasse II 
Länge3.2 mm
Breite2.5 mm
Höhe2.5 mm
Pad Dimension0.6 mm
Verpackung7" Tape & Reel 
WCAP-ASLI Aluminium-Elektrolytkondensatoren, 470 µF, ±20%
Simu­lation
Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre.
Kapazität470 µF
Kapazität±20% 
Nennspannung16 V (DC)
Bauform8.0 x 10.5 
Betriebstemperatur -55 °C up to +105 °C
Verlustfaktor16 %
Isolationswiderstand0.212766 MΩ
Länge10.5 mm
Breite8.3 mm
Verpackung15" Tape & Reel 
Endurance 2000
Rippelstrom590 mA
Impedanz220 mΩ
Leckstrom75.2 µA
Durchmesser8 mm