LT1725IS#TRPBF

$4.53

Description：IC REG CTRLR FLYBACK 16SOIC
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)

SKU:91b0b75d0eb9 Category: DC DC Switching Controllers Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG CTRLR FLYBACK 16SOIC
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)
Output Type：Transistor Driver
Function：Step-Up/Step-Down
Output Configuration：Positive or Negative, Isolation Capable
Topology：Flyback
Number of Outputs：1
Output Phases：1
Voltage - Supply (Vcc/Vdd)：9.7V ~ 22V
Frequency - Switching：90kHz ~ 115kHz
Duty Cycle (Max)：90%
Synchronous Rectifier：No
Clock Sync：No
Serial Interfaces：-
Control Features：Enable, Soft Start
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：16-SOIC (0.154", 3.90mm Width)
Supplier Device Package：16-SO
Grade：-
Qualification：-

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LT1725IS#TRPBF

Overview

The LT1725IS#TRPBF is a monolithic switching regulator controller designed for isolated flyback topologies. It operates with a switch frequency range of 90 kHz to 115 kHz and supports a maximum duty cycle of 90%. The device features a supply voltage range of 9.7 V to 22 V and includes shutdown functionality with soft-start capabilities. It is housed in a 16-SOIC package and operates within a temperature range of -40°C to 125°C.

Feature Summary

Designed specifically for isolated flyback converter applications
Integrates high-performance gate driver for external MOSFET control
Includes built-in soft-start mechanism to limit inrush current
Supports shutdown mode for power management efficiency

Applications

Isolated DC-DC converters
General purpose flyback power supplies
Industrial power conversion systems

Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing components. Confirm that the order matches the SOIC-16 surface mount package requirements. Ensure the supplier provides valid RoHS compliance documentation. Cross-reference the manufacturer part number with official Analog Devices databases to avoid counterfeit products. Check technical specifications against the latest datasheet revision before integration.

Selection Notes

Select this component for designs requiring a dedicated controller for isolated flyback architectures. It is suitable for applications needing precise duty cycle control up to 90 percent. Consider the 9.7 V to 22 V supply range for biasing requirements. The integrated soft-start feature aids in managing startup transients. Evaluate thermal performance within the specified operating temperature range.

Part Context

This part belongs to the LT1725 series from Analog Devices, focusing on power management integrated circuits. It serves as a core control element in switch-mode power supplies utilizing flyback topology. The series is known for providing reliable regulation in isolated power conversion scenarios.