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Product Detailed Parameters
- Description：IC REG BUCK BST ADJ TRPL 28TSSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Function：Step-Up, Step-Down, Step-Up/Step-Down
- Output Configuration：Positive or Negative
- Topology：Buck, Boost, SEPIC
- Output Type：Adjustable
- Number of Outputs：3
- Voltage - Input (Min)：3.5V
- Voltage - Input (Max)：25V
- Voltage - Output (Min/Fixed)：0.628V
- Voltage - Output (Max)：25V, 40V (Switch)
- Current - Output：1.5A (Switch), 2A (Switch), 3A (Switch)
- Frequency - Switching：1.1MHz
- Synchronous Rectifier：No
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：28-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：28-TSSOP-EP
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Overview
The LT1941EFE#PBF is a triple current-mode DC/DC converter featuring internal power switches, manufactured by Analog Devices Inc. It integrates three independent regulators within a single TSSOP-EP-28 package. The device includes two step-down converters with 3A and 2A output capabilities, alongside one additional regulator supporting boost, buck, or SEPIC topologies. It operates from an input voltage range of 3.3V to 25V, providing adjustable outputs up to 40V. The component supports surface mount installation and functions across a temperature range of -40°C to +125°C.
Feature Summary
- Integrates three independent switching regulators with internal power switches
- Supports multiple topology configurations including buck, boost, and SEPIC
- Features high-current step-down channels for efficient power delivery
- Operates over an extended industrial temperature range
Applications
- Portable battery-powered equipment requiring multiple voltage rails
- Industrial control systems needing isolated or non-isolated power conversion
- Automotive electronics utilizing wide input voltage ranges
Procurement Notes
Verify the specific suffix against official Analog Devices documentation to confirm pinout and electrical characteristics. Ensure the procurement channel provides valid RoHS compliance certificates. Cross-reference the part number with the manufacturer's latest datasheet to confirm availability status and lead times before finalizing orders.
Selection Notes
Select this component when a compact solution for three distinct power rails is required. It is suitable for designs where board space is limited but multiple voltage conversions are necessary. Consider the thermal performance of the TSSOP-EP package for high-load applications.
Part Context
This part belongs to the LT1941 family of triple DC/DC converters. It is designed to replace discrete solutions, reducing component count and assembly time. The device is part of Analog Devices' portfolio of high-efficiency power management ICs aimed at simplifying complex power architectures.
Replacement Considerations
Consult official substitution guides for compatible alternatives. Verify pin compatibility and electrical specifications before replacing existing inventory.
