ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：IC REG BUCK 3.3V 1.2A 8MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Fixed
- Number of Outputs：1
- Voltage - Input (Min)：7.5V
- Voltage - Input (Max)：36V
- Voltage - Output (Min/Fixed)：3.3V
- Voltage - Output (Max)：-
- Current - Output：1.2A
- Frequency - Switching：1MHz
- 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：-
Download product information
Overview
The LT3663EMS8E-3.3#TRPBF is a current mode step-down switching regulator manufactured by Analog Devices Inc., housed in an 8-pin MSOP package with exposed pad and tape-and-reel packaging. It features a fixed 3.3V output voltage and supports a maximum output current of 1.2A. The device operates within an input voltage range of 7.5V to 36V and includes a programmable output current limit for precise power dissipation control. It functions at a switching frequency of 1100kHz and is rated for an extended operating temperature range from -40°C to 125°C.
Feature Summary
- Integrates a 1.2A synchronous buck converter with a built-in 2A switch for efficient power conversion.
- Features programmable output current limiting to accurately manage system power dissipation and reduce external component size.
- Utilizes current mode control architecture for stable operation across wide input voltage ranges.
Applications
- Automotive electronics requiring robust DC-DC conversion
- Industrial distributed power systems
- Embedded systems needing regulated 3.3V rails
Procurement Notes
Verify the specific suffix #TRPBF confirms tape-and-reel packaging rather than tube configuration when sourcing. Confirm the -3.3 designation matches the required fixed 3.3V output voltage for the target design. Ensure the MSOP-8EP package footprint aligns with the PCB layout constraints. Check for RoHS compliance status as indicated in official documentation before finalizing procurement orders.
Selection Notes
Select this component when a high-current 1.2A output is required from a 7.5V to 36V input source. The integrated current limit feature simplifies thermal management compared to discrete solutions. Consider the 1100kHz switching frequency for balancing efficiency and passive component size. The extended temperature grade suits harsh environments where standard commercial grades may fail.
Part Context
This part belongs to the LT3663 family of synchronous step-down regulators designed for automotive and industrial applications. It shares architectural similarities with other Linear Technology buck converters but offers specific current handling capabilities. The MSOP-8EP package provides thermal performance advantages over standard surface-mount options.
Replacement Considerations
LT3663EMS8E-3.3#PBF serves as the tube-packaged equivalent offering identical electrical specifications. Designers requiring different output voltages should consult other variants within the LT3663 series such as the 1.2V or 5V versions.
