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Product Detailed Parameters
- Description：IC REG BUCK BOOST ADJ 3A 20SO
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Function：Step-Up, Step-Down, Step-Up/Step-Down
- Output Configuration：Positive or Negative
- Topology：Buck, Boost, Cuk, Flyback, Forward Converter, SEPIC
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：2.7V
- Voltage - Input (Max)：30V
- Voltage - Output (Min/Fixed)：1.245V
- Voltage - Output (Max)：35V (Switch)
- Current - Output：3A (Switch)
- Frequency - Switching：500kHz
- Synchronous Rectifier：No
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：20-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：20-SO
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Overview
The LT1371ISW#TRPBF is a switching voltage regulator from Analog Devices Inc., designed for high-efficiency power conversion. It supports multiple topologies including boost, buck, Cuk, flyback, forward, and inverting configurations. The device features an adjustable output voltage starting at 1.245V with a maximum switch voltage rating of 35V. It delivers a continuous output current of 3A and operates with a fixed switching frequency of 500kHz. The input voltage range spans from 2.7V to 30V. The component includes a shutdown function and exhibits a static current of 4mA. It is housed in a 20-SOIC package and is rated for operation within a temperature range of 0°C to 70°C.
Feature Summary
- Supports versatile converter topologies such as boost, buck, Cuk, flyback, forward, and inverting circuits.
- Delivers high output current capability suitable for demanding power applications.
- Integrates a shutdown pin for effective power management control.
Applications
- General-purpose DC-DC power supply designs
- Battery-powered equipment requiring efficient voltage regulation
- Industrial control systems utilizing various converter topologies
Procurement Notes
Verify the specific suffix TRPBF indicates tape and reel packaging when sourcing this component. Confirm that the industrial temperature grade aligns with system requirements. Ensure compatibility with the 20-SOIC footprint during PCB layout. Cross-reference the datasheet for latest electrical specifications before finalizing procurement.
Selection Notes
Select this part for applications requiring flexible topology implementation with a single IC. The 3A current rating suits moderate power loads. Consider the 500kHz frequency for balancing component size and efficiency. Verify input voltage ranges fit the source supply. Evaluate thermal performance within the specified operating temperature limits.
Part Context
This component belongs to the LT1371 series of switching regulators manufactured by Analog Devices Inc. It is distinct from other variants like the LT1371CR or LT1371ISW based on its specific packaging and reel configuration. The series is known for enabling complex power architectures in compact form factors.
Replacement Considerations
LT1371ISW#PBF serves as a tube-packaged alternative within the same series. LT1371CR#PBF offers a different package option. Verify pinout and electrical parameters match before substituting.
