Datasheet Linear Technology LT8304IS8E-1#PBF — Datenblatt

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LT8304 LT8304 LT8304 LT8304-1

Konstruktionshinweise

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  1000V Output, No-Opto Isolated Flyback &mdash DN1047
  PDF, 416 Kb, Datei veröffentlicht: Jan 22, 2018
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  Design Note
  1000V Output, No-Opto Isolated Flyback Converter
  George Qian, Michael Wu
  Introduction
  Isolated flyback converters are used in automotive,
  industrial, medical and telecom applications where the
  power supply must be reliable, easy-to-use, high voltage
  and isolated, and must provide excellent regulation over
  load, line and temperature. LTВ®8304-1 is an isolated noopto flyback converter specially optimized for high output
  voltage applications—providing outputs up to 1000V.
  Traditionally, the regulation feedback loop requires a bulky
  high voltage divider to directly sense the high output
  voltage, along with opto-couplers to convey feedback
  information back through the isolation barrier. The bulky
  resistor solution results because a 1206 resistor can handle
  200V maximum. So to sense 1000V, at least six 1206
  resistors are required, plus a small bottom resistor. 1000V/15mA Output, from a 4V–28V Input
  An LT8304-1 flyback converter design features a low
  component count. Figure 1 shows a complete 4V–28V
  VIN
  4V TO
  28V GND The guidelines for calculating voltage and current stress
  on the components surrounding the LT8304-1 are detailed …

Modellreihe

Herstellerklassifikation

• Power Management > Switching Regulator > Flyback, Forward and Isolated Controllers
• Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators

Andere Namen:

LT8304IS8E-1PBF, LT8304IS8E-1 PBF, LT8304IS8E1#PBF, LT8304IS8E 1#PBF