Datasheet Linear Technology LT1961EMS8E#PBF — Даташит

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Купить LT1961EMS8E#PBF на РадиоЛоцман.Цены — от 76 до 763 ₽ 53 предложений от 26 поставщиков Преобразователь DC/DC, Conv DC-DC 3V to 25V Step Up Single-Out 1.2V to 35V 1.5A 8Pin MSOP EP
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Корпус / Упаковка / Маркировка

Параметры

Экологический статус

Design Notes

• Скачать
  Boost Regulator Makes Low Profile SEPIC with Both Step-Up and Step-Down Capability &mdash DN317
  PDF, 75 Кб, Файл опубликован: 1 авг 2003
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  advertisement Boost Regulator Makes Low Profile SEPIC with Both Step-Up
  and Step-Down Capability – Design Note 317
  Keith Szolusha 3V to 20V Input, 5V Output, 3mm Maximum
  Height SEPIC
  Figure 1 shows a 3V to 20V input, 5V output 3mm maximum height SEPIC using the LTВ®1961, a 1.25MHz, current mode, monolithic, 1.5A peak switch current, boost
  converter. The output current capability of this circuit
  varies with input voltage (see Figure 3). At 3V input, the
  converter can supply up to 410mA of load current and
  as high as 830mA of load current at 20V input. The tiny
  coupling capacitor used here is large enough to handle
  L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks
  of Linear Technology Corporation. All other trademarks are the property of their
  respective owners.
  08/03/317_conv VIN
  3V TO 20V IL1 CIN
  2.2ОјF
  25V
  CERAMIC
  X5R CCOUP
  1ОјF 25V
  CERAMIC X5R CATCH DIODE
  UPS140
  VOUT …

Статьи

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  Tiny 1.25MHz Monolithic Boost Regulator Has 1.5A Switch and Wide Input Voltage Range &mdash LT Journal
  PDF, 159 Кб, Файл опубликован: 1 дек 2002
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  DESIGN FEATURES Tiny 1.25MHz Monolithic Boost
  Regulator Has 1.5A Switch and
  Wide Input Voltage Range by Keith Szolusha
  Introduction
  The LT1961 is a monolithic, currentmode, boost converter with a very
  high switching frequency and an onboard monolithic, high-current power
  switch. Because the power switch is
  included in the tiny MSOP 8-pin exposed leadframe package, layout and
  board space shrink dramatically for
  most designs. The high 1.25MHz
  switching frequency further reduces
  the size requirement for the surrounding inductors and capacitors, by
  allowing the use of chip inductors
  and low profile capacitors and inductors. It operates within a 3V to 25V
  input voltage range and can be synchronized up to 2MHz. The built in
  0.2Ω, 35V switch allows up to 1.5A
  switch current at high efficiency. In
  battery-powered applications the extremely low 6ВµA shutdown current
  maintains high efficiency and long
  battery life. The shutdown pin also
  provides an undervoltage lockout
  option to limit battery source current
  when low on charge. …

Модельный ряд

Классификация производителя

• Power Management > Switching Regulator > SEPIC Regulators
• Power Management > Switching Regulator > Step-Up (Boost) Regulators > Internal Power Switch Boost

Варианты написания:

LT1961EMS8EPBF, LT1961EMS8E PBF