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Product Detailed Parameters
- Description：IC REG BUCK SEPIC 5V 1.5A 8PDIP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck, SEPIC
- Output Type：Fixed
- Number of Outputs：1
- Voltage - Input (Min)：5V
- Voltage - Input (Max)：25V
- Voltage - Output (Min/Fixed)：5V
- Voltage - Output (Max)：-
- Current - Output：1.5A (Switch)
- Frequency - Switching：500kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Through Hole
- Package / Case：8-DIP (0.300", 7.62mm)
- Supplier Device Package：8-PDIP
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Overview
The LT1375IN8-5#PBF is a monolithic buck mode switching regulator manufactured by Analog Devices Inc. It integrates a 1.5A power switch, oscillator, and control logic into an 8-pin PDIP package. The device operates with a fixed 5V output and supports an input voltage range of 5V to 25V. It functions at a switching frequency of 500kHz, enabling the use of smaller external components. The regulator provides a maximum output current of 1.2A and includes shutdown functionality for power management.
Feature Summary
- Integrates a 1.5A power switch with complete oscillator and control circuitry on a single die
- High switching frequency operation allows for significant reduction in external component size
- Includes dedicated shutdown pin for effective power management and standby modes
Applications
- Battery-powered systems requiring efficient step-down conversion
- Post-regulation stages for bus distribution networks
- General-purpose DC-to-DC conversion in industrial equipment
Procurement Notes
Verify the specific suffix #PBF indicates lead-free compliance and RoHS adherence when sourcing. Confirm the PDIP-8 through-hole package availability matches your assembly requirements. Check manufacturer documentation for any recent production changes or obsolescence notices regarding this specific part number variant.
Selection Notes
Select this component for designs requiring a fixed 5V output from higher input voltages up to 25V. The 500kHz frequency balances efficiency with passive component size. Ensure the load current does not exceed the 1.2A limit and that thermal dissipation in the PDIP package is adequate for the expected operating conditions.
Part Context
This part belongs to the LT1375 family of high-frequency switching regulators. It is functionally similar to the LT1376 but lacks SEPIC topology support. The IN8-5 designation specifies the industrial temperature range, PDIP-8 package, and fixed 5V output configuration within the broader product line.
Replacement Considerations
LT1375CN8-5#PBF is documented as a direct substitute. Verify if the commercial grade temperature rating meets your application needs compared to the industrial grade of the original part.
