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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)：32V
- Voltage - Output (Min/Fixed)：2.42V
- Voltage - Output (Max)：27.52V
- 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 LT1374HVCFE#TRPBF is a monolithic Buck switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 5 V to 32 V and provides an adjustable output voltage. The device supports a switch current of 4.5 A and features a fixed switching frequency of 500 kHz. It is housed in a 16-TSSOP package with an exposed pad (TSSOP-EP-16). The component functions within a junction temperature range of -40°C to +125°C and includes a shutdown feature for power management.
Feature Summary
- Integrates a high-current 4.5 A internal switch for efficient step-down conversion
- Supports wide input voltage ranges up to 32 V for flexible power supply designs
- Includes a dedicated shutdown pin to minimize quiescent current consumption
Applications
- Industrial point-of-load regulation
- Distributed power systems
- Battery-powered equipment requiring high efficiency
Procurement Notes
Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm RoHS compliance status through official manufacturer documentation, as environmental declarations may vary by production batch. Ensure the TSSOP-EP-16 footprint matches the target PCB layout requirements before finalizing procurement decisions.
Selection Notes
Select this component for applications requiring high output current from a moderate input voltage range. The 500 kHz switching frequency allows for smaller external passive components compared to lower-frequency regulators. Consider thermal performance due to the exposed pad requirement for adequate heat dissipation in high-current scenarios.
Part Context
This part belongs to the LT1374 family of switching regulators, which are designed for high-efficiency DC-DC conversion. The HV variant specifically supports higher input voltages compared to standard versions. The device utilizes current-mode control architecture to ensure stable operation across varying load and line conditions.
Replacement Considerations
LT1374HVIFE#TRPBF offers identical electrical specifications but utilizes a TSSOP-16 package instead of the TSSOP-EP-16. Verify pinout compatibility and thermal pad connectivity when substituting packages.
