LT8300IS5#TRMPBF

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LT8300IS5#TRMPBF

IC REG FLYBACK 260MA TSOT23-5

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規格

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Function Step-Up/Step-Down
OutputConfiguration Positive or Negative, Isolation Capable
Topology Flyback
NumberofOutputs 1
Voltage-Input(Min) 6V
Voltage-Input(Max) 100V
Current-Output 260mA
Frequency-Switching 7.5kHz ~ 750kHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case SOT-23-5 Thin, TSOT-23-5

概述

Description

LT8300IS5#TRMPBF is an Analog Devices Linear Technology integrated circuit: a primary‑side‑regulated (PSR) flyback controller used to build isolated DC–DC converters. It operates as a fixed‑frequency, current‑mode controller for flyback topologies and is designed to run with minimal or no opto‑coupler feedback (PSR improves regulation and simplifies the design).
Key points:
- Suitable for isolated offline or battery‑powered DC–DC supplies, telecom/industrial power, LED drivers, etc.
- Features typically include fixed switching frequency, PSR capability, startup and operating current control, undervoltage lockout, overcurrent/short‑circuit protection, soft‑start, and thermal protection.
- IS5 denotes a specific package option; TRMPBF indicates production packaging (Tape & Reel, RoHS/lead‑free, etc.).
For exact electrical specs, pinout, application circuits, and design equations, refer to the LT8300 datasheet and the “LT8300IS5” product page. Would you like a quick spec summary or a typical reference circuit?

Features

Here are the key features of LT8300IS5#TRMPBF (flyback controller with integrated switch):
- Integrated high-voltage switching transistor for isolated flyback power supplies
- Primary-side regulation (PSR) for feedback without opto-isolator
- Wide input range suitable for isolated/offline and DC-DC applications
- Current-mode control for stable startup and load transients
- Adjustable/fixed switching frequency with good efficiency
- Enable/shutdown control and undervoltage lockout
- Overcurrent/short-circuit protection and thermal shutdown
- Soft-start to limit inrush and output overshoot
- Fault latch/diagnostics for robust protection
- Low quiescent current for better light-load efficiency
- Pb-free, IS5 package version with tape-and-reel (TR) manufacturing
Note: Exact electrical specs (voltage ratings, frequency range, etc.) are in the datasheet.

Package

It’s an 8-pin MSOP package (MSOP-8), supplied in Tape & Reel, Pb-free (PBF).

Pinout

- Pin count: 8 pins (8-pin package, IS5 variant).
- Function: LT8300IS5#TRMPBF is an 8‑pin high‑voltage flyback controller used to regulate isolated DC‑DC converters. It provides the control logic to switch the primary side of a transformer (often driving an external MOSFET) to regulate the output in flyback topologies (off‑line or high‑voltage input applications).

Manufacturer

- Manufacturer: Analog Devices, Inc. (ADI) — originally Linear Technology; Linear Technology was acquired by ADI in 2017, and LT parts are now sold under ADI.
- What kind of company: A global semiconductor company that designs and manufactures analog, mixed-signal, and high-performance power-management integrated circuits.

Application

- Isolated offline flyback power supplies and adapters
- Telecom and industrial DC-DC converters with galvanic isolation
- Automotive and heavy-duty equipment power supplies
- Battery chargers and solar/off-grid energy systems
- Data-center ancillary and medical equipment requiring electrical isolation

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