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LT3463A

Notas de Diseño

• Descargar
  Dual DC/DC Converter with Integrated Schottkys Generates В±40V Outputs and Consumes Only 40ВµA Quiescent Current &mdash DN359
  PDF, 76 Kb, Archivo publicado: enero 31, 2005
  Extracto del documento

  advertisement Dual DC/DC Converter with Integrated Schottkys Generates
  В±40V Outputs and Consumes Only 40ВµA Quiescent Current
  Design Note 359
  David Kim
  Introduction
  As portable devices become more sophisticated and
  require higher display resolution, there is an increased
  demand for accurate, high voltage bias supply solutions with wide input and output voltage ranges. The
  traditional methods of using arrays of capacitors to
  implement a charge pump or a bulky and expensive
  transformer no longer meet the accuracy and size
  requirements of today’s portable devices.
  The LTВ®3463 is both accurate and compact. It п¬Ѓts both
  a positive output converter plus a negative output converter into a tiny (3mm Г— 3mm)DFN package, including Schottky diodes and switches capable of 250mA
  (400mA on the negative channel of the LT3463A).
  The LT3463 works in a wide range of applications due to
  its 2.3V to 15V input voltage range and output capability
  to В±40V. Each converter is designed to operate with a
  quiescent current of only 20ОјA, which drops to less than
  1ОјA in shutdown, making the LT3463 solution ideal for
  battery-powered portable applications.
  L1
  10ОјH …

Artículos

• Descargar
  LCD Power Supply Provides ±15V Plus LED Driver &mdash LT Journal
  PDF, 84 Kb, Archivo publicado: mayo 1, 2004
  Extracto del documento

  DESIGN IDEAS LCD Power Supply Provides
  В±15V Plus LED Driver
  VIN
  2.7V
  TO 4.2V L1
  10ВµH
  CIN
  4.7ВµF
  6.3V 15mA SW1 VOUT1 VIN
  SHDN1 SHDN2
  SW2 374k
  1% D2 C1
  0.1ВµF L2
  10ВµH C2
  0.1ВµF B0540W CLED
  0.47ВµF
  16V VREF
  FB2 GND LED1 LED2 LED3 R1
  82.5 FB1 LT3463 COUT1, COUT2:
  CLED:
  L1, L2:
  LED1–LED3:
  10pF …

Linea modelo

Clasificación del fabricante

• Power Management > Switching Regulator > Inverting Regulators | LCD/CCD/OLED Bias | SEPIC Regulators
• Power Management > Switching Regulator > Step-Up (Boost) Regulators > Micropower Boost | Internal Power Switch Boost | Multiple Output Boost
• Power Management > PMIC & Multifunction > Multitopology DC/DC

Otros nombres:

LT3463EDDPBF, LT3463EDD PBF