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Корпус / Упаковка / Маркировка

Параметры

Экологический статус

Design Notes

• Скачать
  LTC1265: A New, High Efficiency Monolithic Buck Converter &mdash DN105
  PDF, 74 Кб, Файл опубликован: 1 июн 1995
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  advertisement A New, High Efficiency Monolithic Buck Converter
  Design Note 105
  San-Hwa Chee
  The LTC В®1265 is a 14-pin SOIC step-down converter
  capable of operating at frequencies up to 700kHz. High
  frequency operation permits the use of small inductors
  for size sensitive applications. The LTC1265 has an
  internal 0.3О© (at a supply voltage of 10V) P-channel
  power MOSFET switch, which is capable of supplying
  up to 1.2A of output current. With no load, the converter requires only 160ОјA of quiescent current; this
  decreases to a mere 5ОјA in shutdown conditions. In
  dropout mode, the internal P-channel power MOSFET
  switch is turned on continuously (at DC), thereby maximizing battery life. The part is protected from output
  shorts by its built-in current limiting. In addition to the
  features already mentioned, the LTC1265 incorporates
  a low-battery detector.
  The LTC1265 is a current mode DC/DC converter with
  Burst ModeВ® operation. The current mode architecture
  gives the LTC1265 excellent load and line regulation.
  Burst Mode operation results in high efficiency with
  both high and low load currents. The LTC1265 comes
  in three versions: LTC1265-5 (5V output), LTC1265-3.3
  (3.3V output) and LTC1265 (adjustable). All versions …

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  Highly Integrated High Efficiency DC/DC Conversion &mdash DN98
  PDF, 77 Кб, Файл опубликован: 1 мар 1995
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  advertisement Highly Integrated High Efficiency DC/DC Conversion
  Design Note 98
  San-Hwa Chee and Howard Haensel
  The LTC ®1574 and LTC1265 high efficiency step-down
  regulators minimize external components by using integrated low RDS(ON) P-channel switches. The LTC1574
  goes one step further by including a low forward drop
  Schottky diode—an industry first. Both regulators also
  include on-chip low-battery detectors.
  Burst ModeВ® operation allows the LTC1574 and LTC1265
  to achieve over 90% efficiency for load currents as
  low as 10mA. Current mode operation provides clean
  start-up, accurate current limit, and excellent line and
  load regulation. Inherent 100% duty cycle in dropout
  allows the user to extract maximum battery life. Both
  regulators can be shut down to a few microamperes.
  LTC1574
  The LTC1574 features the highest level of integration
  for a switching regulator. Besides an on-chip power
  MOSFET, it includes a low forward drop Schottky diode.
  The user needs only to provide an inductor and input/
  output filter capacitors for a complete high efficiency
  step-down converter. The current limit is pin selectable
  to either 340mA or 600mA, optimizing efп¬Ѓciency for a …

Модельный ряд

Классификация производителя

• Power Management > Switching Regulator > Step-Down (Buck) Regulators > Internal Power Switch Buck

Варианты написания:

LTC1265CSTRPBF, LTC1265CS TRPBF