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Product Detailed Parameters
- Description：IC REG BUCK BOOST ADJ 3A 20SO
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- 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
Download product information
Overview
The LT1371ISW#PBF is a switching voltage regulator manufactured by Analog Devices Inc., housed in a 20-SOIC package. It supports multiple topologies including Buck, Boost, Cuk, Flyback, Forward, and SEPIC 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, while the operating temperature range is specified from 0°C to 70°C.
Feature Summary
- Supports versatile circuit topologies including Buck, Boost, Cuk, Flyback, Forward, and SEPIC for flexible power design.
- Provides high-efficiency power conversion with a 3A switch current capability.
- Features adjustable output voltage control for customized power supply requirements.
Applications
- Industrial power supply systems
- Battery-powered equipment
- Distributed power architectures
Procurement Notes
Verify the specific suffix #PBF indicates lead-free compliance and RoHS status before procurement. Confirm the 20-SOIC package dimensions match the target PCB footprint. Ensure the operating temperature range of 0°C to 70°C aligns with the environmental conditions of the final application. Cross-reference the datasheet for any recent PCN updates regarding material or manufacturing changes.
Selection Notes
Select this component when a single IC needs to support multiple converter topologies such as Buck, Boost, or SEPIC. The 3A current rating suits moderate power applications requiring efficient regulation. Consider the 500kHz switching frequency for balancing component size and efficiency. Verify that the 2.7V minimum input voltage meets the system's lowest supply condition.
Part Context
This part belongs to the LT1371 series of switching regulators from Analog Devices. It is designed as a versatile solution for various DC-DC conversion needs. The ISW variant specifically denotes the industrial temperature grade and SOIC package type. It serves as a core power management component in systems requiring flexible voltage conversion capabilities.
Replacement Considerations
LT1371CR#PBF
FAQ
What is the maximum switch voltage rating?
The maximum switch voltage rating is 35V.
Does the LT1371ISW#PBF support negative output voltages?
Yes, the device supports positive or negative output configurations depending on the selected topology.
