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Product Detailed Parameters
- Description：IC REG BUCK ADJ 1.4A 8MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：3.6V
- Voltage - Input (Max)：36V
- Voltage - Output (Min/Fixed)：1.2V
- Voltage - Output (Max)：33.12V
- Current - Output：1.4A
- Frequency - Switching：500kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
- Supplier Device Package：8-MSOP-EP
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Overview
The LT1936IMS8E#TRPBF is a synchronous step-down DC/DC switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 3.6V to 36V and provides a single adjustable output from 1.2V to 33.12V, delivering up to 1.4A of current. The device integrates a power MOSFET and switches at a fixed frequency of 500kHz. It is housed in an 8-lead MSOP package with an exposed thermal pad (8-MSOP-EP) for efficient heat dissipation. The component supports operation across a junction temperature range of -40°C to 125°C.
Feature Summary
- Integrates high-side and low-side power MOSFETs for synchronous rectification
- Fixed 500kHz switching frequency enables the use of small external components
- Adjustable output voltage via external resistor divider
- Exposed thermal pad design for improved thermal performance
Applications
- Industrial control systems requiring isolated or non-isolated power conversion
- Battery-powered equipment needing efficient step-down regulation
- Embedded systems utilizing microcontrollers and DSPs
- Communication infrastructure power supplies
Procurement Notes
Verify the complete part number including the suffix #TRPBF to confirm tape-and-reel packaging. Ensure the ordering prefix matches the required temperature grade and package variant. Cross-reference the manufacturer's latest datasheet for any recent pinout or electrical specification updates before finalizing procurement specifications.
Selection Notes
Select this component when a compact solution is needed for converting higher voltages down to lower logic levels. The fixed 500kHz frequency allows for smaller inductors compared to lower-frequency alternatives. Consider the thermal requirements of the 8-MSOP package and ensure adequate PCB copper area is allocated to the exposed pad for proper heat management during operation.
Part Context
This part belongs to the LT1936 family of synchronous buck converters. It is designed as a drop-in replacement for older generations of regulators that require external Schottky diodes. The MSOP-8-EP package offers a balance between board space savings and thermal handling capabilities suitable for moderate current applications.
Replacement Considerations
Check for direct equivalents within the LT1936 series such as the LT1936EMS8E#TRPBF which shares identical electrical characteristics but may differ in package type or reel quantity specifications.
