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Product Detailed Parameters
- Description：IC REG BUCK SEPIC ADJ 16TSSOP
- 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：4.5A (Switch)
- Frequency - Switching：500kHz
- Synchronous Rectifier：No
- Operating Temperature：0°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：16-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：16-TSSOP-EP
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Overview
The LT1374CFE#TRPBF is a monolithic buck mode switching regulator manufactured by Analog Devices Inc. It integrates a 4.5A power switch with all necessary oscillator, control, and protection circuitry on a single die. The device operates at a fixed frequency of 500kHz, supporting input voltages from 5V to 25V. It features a positive adjustable output starting at 2.42V. The IC draws 2.5mA of operating supply current and reduces consumption to 20µA in shutdown mode. It is housed in a 16-TSSOP package.
Feature Summary
- Integrates a high-current 4.5A power switch within the monolithic die
- Operates at a fixed 500kHz switching frequency for compact passive component sizing
- Includes comprehensive internal oscillator and control logic
- Supports low-power shutdown operation with minimal quiescent current
Applications
- Point-of-load regulation for industrial systems
- Battery-powered equipment requiring efficient step-down conversion
- General-purpose DC-DC conversion in embedded electronics
Procurement Notes
Verify the exact part marking matches LT1374CFE#TRPBF to distinguish from non-tray or lead-free variants. Confirm the manufacturer is Analog Devices Inc. or Linear Technology. Ensure the package type is 16-TSSOP. Check for authenticity through authorized distribution channels to avoid counterfeit components affecting reliability.
Selection Notes
Select this component when a fixed 500kHz frequency and 4.5A current capability are required. It is suitable for designs needing an adjustable output voltage above 2.42V. Consider the 16-TSSOP package constraints for PCB layout. Evaluate thermal performance given the integrated switch capabilities and input voltage range up to 25V.
Part Context
This part belongs to the LT1374 family of step-down switching regulators. It shares core specifications with other variants like LT1374CFE but differs in packaging and tape-and-reel configuration. The series is designed for applications requiring high efficiency and compact size in buck converter topologies.
Replacement Considerations
LT1374CFE#PBF is a verified substitute offering identical electrical characteristics in a tube package instead of tape-and-reel. Verify pin compatibility and thermal requirements before substitution.
