LT1269CQ#PBF

$8.76

Description：IC REG BUCK BOOST ADJ 4A DDPAK-5
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:01c504c9cf44 Category: Voltage Regulators - DC DC Switching Regulators Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG BUCK BOOST ADJ 4A DDPAK-5
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Function：Step-Up, Step-Down, Step-Up/Step-Down
Output Configuration：Positive or Negative
Topology：Buck, Boost, Buck-Boost, Flyback
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：3.5V
Voltage - Input (Max)：30V
Voltage - Output (Min/Fixed)：1.244V
Voltage - Output (Max)：60V (Switch)
Current - Output：4A (Switch)
Frequency - Switching：100kHz
Synchronous Rectifier：No
Operating Temperature：0°C ~ 100°C (TA)
Mounting Type：Surface Mount
Package / Case：TO-263-6, D2PAK (5 Leads + Tab), TO-263BA
Supplier Device Package：DDPAK-5

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LT1269CQ#PBF

Overview

The LT1269CQ#PBF is a synchronous switching regulator controller manufactured by Analog Devices Inc. It supports multiple topologies including boost, buck, buck-boost, and flyback configurations. The device operates with an input voltage range from 3V to 30V and provides an adjustable output voltage starting at 1.244V. It features a fixed switching frequency of 100kHz and delivers a maximum switch current of 4A. The component is rated for operation within a temperature range of -40°C to +125°C and is housed in a 28-Lead SSOP package.

Feature Summary

Supports versatile power conversion topologies including boost, buck, buck-boost, and flyback applications
Integrates synchronous rectification control to enhance efficiency across various load conditions
Provides adjustable output voltage regulation with precise internal reference control

Applications

Industrial power supply systems requiring flexible topology options
Battery-powered equipment utilizing buck-boost or flyback architectures
Telecommunications infrastructure power management modules

Procurement Notes

Verify the specific suffix 'CQ' against official Analog Devices documentation to confirm the exact temperature grade and package variant. Ensure compatibility with external MOSFET selection for the 4A switch current capability. Confirm that the 28-Lead SSOP footprint matches the target PCB design constraints before finalizing procurement orders.

Selection Notes

Select this controller when application requirements demand a single IC solution for multiple DC-DC converter topologies. Consider the 100kHz switching frequency for balancing EMI performance and passive component size. Evaluate thermal management needs given the 4A switch current rating and ensure adequate heat dissipation for the intended operating environment.

Part Context

This component belongs to the LT1269 family of synchronous switching regulators. It serves as a core power management IC designed for high-efficiency voltage conversion. The part integrates essential control logic for driving external power stages while maintaining stable regulation across wide input and output voltage ranges.