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Product Detailed Parameters
- Description：IC REG BUCK ADJ 1.2A 8MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：7.5V
- Voltage - Input (Max)：36V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：6V
- Current - Output：1.2A
- Frequency - Switching：1.5MHz
- 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
- Grade：-
- Qualification：-
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Overview
The LT3663IMS8E#PBF is a current mode step-down switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 7 V to 36 V and delivers a maximum output current of 1.2 A. The device features a fixed switching frequency of 1.5 MHz and supports adjustable output voltages. It includes programmable output current limiting for system protection. The component is housed in an MSOP-8 package and is rated for operation between -40°C and +125°C.
Feature Summary
- Current mode control architecture for stable regulation
- Programmable output current limit to manage power dissipation
- Integrated shutdown capability for low-power applications
Applications
- General purpose DC-DC conversion
- Automotive electronics power supplies
- Industrial control systems
Procurement Notes
Verify the specific suffix #PBF indicates tube packaging when ordering. Confirm the exact output voltage configuration required, as the base model number may correspond to adjustable variants while suffixes often denote fixed outputs. Ensure the MSOP-8 package type matches the PCB footprint design. Cross-reference the manufacturer's latest datasheet for any pinout or thermal pad requirements specific to this package style.
Selection Notes
Select this component for designs requiring high input voltage tolerance up to 36 V. The 1.2 A output current capacity suits moderate load applications. Consider the 1.5 MHz switching frequency for balancing efficiency and external component size. Verify that the ambient temperature environment stays within the specified -40°C to +125°C operational range for reliable performance.
Part Context
This part belongs to the LT3663 series of synchronous buck converters from Analog Devices. The series is characterized by its ability to handle wide input voltage ranges while maintaining high efficiency. The IMS8E designation specifies the industrial temperature grade and the MSOP-8 EP package variant.
Replacement Considerations
LT3663EMS8E#TRPBF (Tape & Reel version)
FAQ
What is the switching frequency of the LT3663IMS8E?
The device operates at a fixed switching frequency of 1.5 MHz.
Does the LT3663 support adjustable output voltage?
Yes, the base LT3663 model supports adjustable output voltages, though specific suffixes may indicate fixed voltage options.
