LT1725CGN#PBF

$8.68

Description：IC REG CTRLR FLYBACK 16SSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:a5be4533ee7a Category: DC DC Switching Controllers Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG CTRLR FLYBACK 16SSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tube
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：0°C ~ 100°C (TJ)
Mounting Type：Surface Mount
Package / Case：16-SSOP (0.154", 3.90mm Width)
Supplier Device Package：16-SSOP
Grade：-
Qualification：-

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LT1725CGN#PBF

Overview

The LT1725CGN#PBF is a monolithic switching regulator controller designed for isolated flyback topologies. It drives the gate of an external MOSFET to regulate power conversion. The device operates within a switch frequency range of 50 kHz to 250 kHz and supports a maximum duty cycle of 90%. It features a shutdown pin for power management and includes internal compensation. The component is housed in a 16-SSOP package, suitable for surface mount installation. It functions with a supply voltage up to 12.1 V and can handle output currents up to 500 mA. The operational temperature range extends from -40°C to +125°C, ensuring reliability in various environments.

Feature Summary

Designed specifically for isolated flyback converter applications
Integrates control circuitry to drive external MOSFET gates
Includes a dedicated shutdown pin for efficient power management
Features internal compensation to simplify external component requirements

Applications

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

Procurement Notes

Verify the specific suffix 'CGN' indicates the commercial temperature grade variant when sourcing. Confirm that the '#PBF' designation ensures compliance with lead-free manufacturing standards as per manufacturer specifications. Cross-reference the 16-SSOP package dimensions against your PCB footprint library to ensure mechanical compatibility before finalizing procurement orders.

Selection Notes

Select this controller when designing isolated flyback architectures requiring a wide operating frequency range. It is appropriate for applications needing integrated compensation and shutdown capabilities. Consider the thermal performance limits defined by the SSOP package when evaluating high-power density designs. Ensure the external MOSFET selection aligns with the controller's drive strength and the specified voltage ratings.

Part Context

This component belongs to the LT1725 series of switching controllers manufactured by Analog Devices. It is part of the broader portfolio of power management integrated circuits focused on efficient energy conversion. The series targets designers needing reliable solutions for isolated power stages in compact form factors.