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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)：42V (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 LT1371HVCSW#PBF is a high-voltage switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 2.7 V to 30 V and supports adjustable output voltages up to 42 V. The device features a fixed switching frequency of 580 kHz and delivers a maximum switch current of 2.6 A. It utilizes current-mode control architecture and includes a shutdown function for power management. The component is housed in a 20-SOIC package and is rated for operation within a temperature range of 0°C to 125°C.
Feature Summary
- Supports multiple converter topologies including boost, buck, Cuk, flyback, forward, and SEPIC configurations.
- Integrates current-mode control for stable regulation across varying load conditions.
- Includes a dedicated shutdown pin to minimize quiescent current during standby modes.
Applications
- Industrial power supply systems requiring flexible topology implementation
- Automotive electronics operating within standard voltage ranges
- Telecommunications equipment power distribution networks
Procurement Notes
Verify the specific suffix CSW against official Analog Devices documentation to confirm the exact package type and tape-and-reel specifications. Ensure compatibility with your PCB footprint design before ordering. Cross-reference the datasheet revision history to validate thermal performance data and electrical characteristics for your specific application environment.
Selection Notes
Select this component when designing circuits that require high input voltage tolerance combined with versatile topology support. The 580 kHz frequency allows for compact passive component selection compared to lower-frequency alternatives. Consider the 2.6 A switch current limit when sizing external inductors and ensuring adequate thermal dissipation through the SOIC package.
Part Context
This part belongs to the LT1371 family of high-voltage switching regulators from Analog Devices. The series is designed for applications needing robust performance in noisy environments. The HV designation indicates enhanced voltage handling capabilities suitable for industrial and automotive sectors. The CSW suffix specifies the surface-mount plastic package variant.
Replacement Considerations
LT1371ISW#PBF offers similar functionality but may differ in thermal characteristics and maximum switch current ratings. Verify pinout compatibility and ensure the replacement meets the required input voltage and topology constraints for your specific circuit design.
