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  36V, 3.5A Dual Monolithic Buck with Integrated Die Temperature Monitor and Standalone Comparator Block &mdash DN492
  PDF, 102 Kb, Archivo publicado: jul 15, 2011
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  36V, 3.5A Dual Monolithic Buck with Integrated Die Temperature
  Monitor and Standalone Comparator Block
  Design Note 492
  Edwin Li
  INTRODUCTION HIGH INPUT VOLTAGE WITH HIGH TRANSIENT
  CAPABILITY Multioutput monolithic regulators are easy to use and п¬Ѓt
  into spaces where multichip solutions cannot. Nevertheless, the popularity of multioutput regulators is tempered
  by a lack of options for input voltages above 30V and
  support of high output currents. The LT3692A п¬Ѓlls this
  gap with a dual monolithic regulator that operates from
  inputs up to 36V. It also includes a number of channel
  optimization features that allow the LT3692A’s per-channel
  performance to rival that of multichip solutions. The LT3692A can operate up to an input voltage of 36V
  and can sustain a transient voltage up to 60V for 1 second,
  making it suitable for harsh operating environments such
  as those commonly found in automotive environments.
  ON-DIE TEMPERATURE MONITORING
  The LT3692A provides an on-die temperature monitoring
  function which facilitates the application circuit design,
  debugging and package thermal optimization. The voltage
  at TJ pin is directly proportional to the die temperature in
  Celsius (i.e., 250mV equals 25В°C and 1.5V equals 150В°C). The LT3692A is available in two packages: a 5mmВ Г—В 5mm
  QFN and a 38-lead plastic TSSOP. Although Both include …

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Clasificación del fabricante

• Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | Internal Power Switch Buck
• Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators