LT1268CQ#PBF

$18.19

Description：IC REG BUCK BST ADJ 7.5A DDPAK-5
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:4ef60315c413 Category: Voltage Regulators - DC DC Switching Regulators Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG BUCK BST ADJ 7.5A 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, 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：7.5A (Switch)
Frequency - Switching：150kHz
Synchronous Rectifier：No
Operating Temperature：0°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：TO-263-6, D2PAK (5 Leads + Tab), TO-263BA
Supplier Device Package：DDPAK-5

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LT1268CQ#PBF

Overview

The LT1268CQ#PBF is a switching voltage regulator manufactured by Analog Devices Inc., designed for versatile power conversion applications. It supports Buck, Boost, and Flyback topologies with an adjustable output voltage range starting from 1.244V up to 60V (switch). The device delivers a maximum switch current of 7.5A and operates at a fixed switching frequency of 150kHz. It accepts an input voltage between 3.5V and 30V. The component is housed in a TO-263-6 (D2PAK) package with five leads plus a tab, suitable for surface mount installation. It functions as a positive or negative adjustable single-output regulator.

Feature Summary

Supports multiple converter topologies including buck, boost, and flyback configurations.
Provides high output current capability of 7.5A for demanding load requirements.
Features adjustable output voltage ranging from 1.244V to 60V.
Operates with a fixed 150kHz switching frequency.

Applications

General purpose DC-DC power supply designs
Battery charging systems requiring adjustable voltage levels
Industrial control power modules
Telecommunications equipment power distribution

Procurement Notes

Verify the specific suffix and package variant against the official Analog Devices datasheet to ensure compatibility with thermal and electrical requirements. Confirm RoHS compliance status and manufacturing origin details through authorized distributors. Cross-reference the part number with the latest product change notifications to validate any design updates or pinout modifications before finalizing procurement orders.

Selection Notes

Select this component when a single IC needs to support multiple topology options such as step-up, step-down, or inversion. Ensure the application input voltage remains within the 3.5V to 30V range and that the load current does not exceed the 7.5A switch limit. Consider the thermal performance of the D2PAK package for heat dissipation in enclosed environments.

Part Context

This part belongs to the LT1268 series of switching regulators from Analog Devices. It is distinct from other series like LTC2268 (ADC) or LTC3868 (Buck Controller) by its multi-topology capability and integrated power switch. The CQ#PBF designation indicates a specific commercial temperature grade and lead-free packaging configuration.