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Product Detailed Parameters
- Description：IC REG BUCK SEPIC ADJ 1.5A 16SO
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck, SEPIC
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：5V
- Voltage - Input (Max)：25V
- Voltage - Output (Min/Fixed)：2.42V
- Voltage - Output (Max)：21.5V
- Current - Output：1.5A (Switch)
- Frequency - Switching：500kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SO
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Overview
The LT1376IS#TRPBF is a monolithic Buck switching voltage regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 5 V to 25 V and delivers a maximum output current of 1.5 A. The device features a fixed switching frequency of 500 kHz and supports adjustable output voltages. It incorporates a shutdown function to minimize quiescent current, which is specified at 20 uA during operation. The component is housed in a SOIC-16 surface-mount package and is rated for an operating temperature range from -40°C to +125°C.
Feature Summary
- Integrates a high-efficiency Buck topology for step-down DC/DC conversion
- Includes a dedicated shutdown pin for power management control
- Supports adjustable output voltage configuration via external feedback
Applications
- Battery-powered portable equipment requiring efficient voltage regulation
- Industrial systems utilizing 5V to 25V input rails
- Embedded applications needing low standby current consumption
Procurement Notes
Verify the specific suffix #TRPBF indicates tape-and-reel packaging when sourcing. Confirm that the IS variant corresponds to the industrial temperature grade (-40°C to +125°C) required for your application environment. Cross-reference the manufacturer part number with official Analog Devices documentation to ensure compatibility with your PCB layout and thermal requirements before finalizing procurement.
Selection Notes
Select this component when a compact solution is needed for converting higher input voltages down to lower levels at up to 1.5 A. The 500 kHz switching frequency allows for smaller passive components compared to lower-frequency alternatives. Ensure the design accounts for the thermal dissipation capabilities of the SOIC-16 package under maximum load conditions within the specified industrial temperature range.
Part Context
This part belongs to the LT1376 series of monolithic Buck regulators from Analog Devices. It shares core architectural similarities with other members like the LT1376IN8-5#PBF but differs in package type and reel format. The series is designed for general-purpose step-down applications where efficiency and size are prioritized over synchronous rectification.
Replacement Considerations
Direct substitutes include the LT1376CN8-5#PBF and LT1375CN8-5#PBF, though these differ in package (PDIP vs SOIC) and potentially fixed vs adjustable output configurations. Verify functional equivalence regarding pinout and electrical parameters before substitution.
