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Product Detailed Parameters
- Description：IC REG BUCK ADJ 2A 10MSOP
- 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)：3.6V
- Voltage - Input (Max)：36V
- Voltage - Output (Min/Fixed)：0.79V
- Voltage - Output (Max)：20V
- Current - Output：2A
- Frequency - Switching：200kHz ~ 2.4MHz
- Synchronous Rectifier：No
- Operating Temperature：0°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
- Supplier Device Package：10-MSOP-EP
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Overview
The LT3480EMSE#PBF is a monolithic buck switching regulator manufactured by Analog Devices Inc., housed in a 10-lead MSOP package with an exposed pad. It accepts input voltages from 3.6V to 36V and delivers up to 2A of output current. The device features an adjustable switching frequency ranging from 200kHz to 2.4MHz, enabling optimization for size or efficiency. It incorporates a high-efficiency internal switch and boost Schottky diode. The regulator supports low ripple Burst Mode operation, maintaining output ripple below 15mV in typical applications while ensuring fast transient response through current mode topology.
Feature Summary
- Integrates a high-efficiency power switch and boost Schottky diode within a single monolithic die
- Utilizes current mode topology to ensure rapid transient response and stable loop performance
- Supports adjustable switching frequencies between 200kHz and 2.4MHz for design flexibility
- Maintains high efficiency at light loads via low ripple Burst Mode operation
Applications
- Battery-powered portable equipment requiring efficient step-down conversion
- Automotive systems operating within standard voltage ranges
- Industrial control applications needing regulated power supplies
- General-purpose DC/DC conversion for embedded electronics
Procurement Notes
Verify the specific suffix EMSE corresponds to the MSOP-10 package variant when sourcing. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure thermal management strategies account for the exposed pad requirement inherent to this surface-mount package type for optimal heat dissipation during operation.
Selection Notes
Select this component when input voltages reach up to 36V and output currents require up to 2A. Choose based on the need for adjustable frequency to balance electromagnetic interference against external component size. Consider the Burst Mode capability if maintaining high efficiency at low quiescent currents is critical for the target application's power budget constraints.
Part Context
This part belongs to the LT3480 series of micropower switching regulators designed for high-voltage, high-current applications. It complements other Analog Devices PMIC solutions by offering a robust buck topology suitable for environments where input stability varies. The MSOP packaging allows for compact circuit board layouts compared to larger industrial packages.
Replacement Considerations
LT3480IMSE#PBF offers identical electrical specifications but utilizes a TSSOP-10 package instead of MSOP-10. Verify pinout compatibility and thermal pad requirements before substitution. Other variants within the LT3480 family may share functional parameters but differ in package style or temperature rating.
