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Product Detailed Parameters
- Description：IC REG BUCK SEPIC ADJ 1.5A 8SO
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck, SEPIC
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：5V
- Voltage - Input (Max)：30V
- Voltage - Output (Min/Fixed)：2.42V
- Voltage - Output (Max)：25.8V
- Current - Output：1.5A (Switch)
- Frequency - Switching：500kHz
- Synchronous Rectifier：No
- Operating Temperature：0°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SO
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Overview
The LT1376HVCS8#PBF is a monolithic buck switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 5 V to 30 V and delivers a maximum output current of 1.5 A. The device features an adjustable output voltage and utilizes a fixed switching frequency of 500 kHz. It incorporates a shutdown function and maintains a low quiescent current of 20 uA. The component is housed in an SOIC-8 surface-mount package and supports operation within a temperature range of 0°C to +125°C.
Feature Summary
- Integrated high-voltage buck topology for efficient step-down conversion
- Adjustable output voltage capability via external feedback network
- Low quiescent current consumption for improved power efficiency
- Built-in shutdown control for system power management
Applications
- Battery-powered portable equipment requiring regulated DC supply
- Industrial control systems utilizing 5V to 30V input rails
- Embedded systems needing isolated or non-isolated DC-DC conversion
- Automotive electronics operating within specified voltage limits
Procurement Notes
Verify the specific suffix HVCS8 against the required input voltage range, as standard variants may differ. Confirm RoHS compliance status through official documentation before integration. Ensure the SOIC-8 thermal characteristics match the PCB layout design. Cross-reference the datasheet revision date to confirm parameter accuracy. Validate that the 30V maximum input rating aligns with the source circuit conditions.
Selection Notes
Select this component when an adjustable output is required from a 5V to 30V input source. The 500kHz switching frequency allows for smaller passive components compared to lower-frequency alternatives. Consider the 1.5A current limit for load requirements. The SOIC-8 package suits space-constrained surface-mount designs. Evaluate thermal performance at maximum load currents within the operating temperature range.
Part Context
This part belongs to the LT1376 series of monolithic buck regulators. It shares functional similarities with other members like the LT1376CS8 but differs in input voltage specifications. The series is designed for general-purpose DC-DC conversion applications. Analog Devices provides comprehensive support materials including SPICE models and application notes for this family.
Replacement Considerations
LT1376CS8#PBF serves as a direct substitute if the input voltage does not exceed 25V. Verify pin compatibility and thermal performance when swapping between these variants. Ensure the adjusted input range of the replacement matches the system requirements.
