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SC470IMLTRT
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Product Detailed Parameters
- Description：IC REG CTRLR BUCK 16-MLPQ
- Series：-
- Mfr：Semtech Corporation
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：4.5V ~ 5.5V
- Frequency - Switching：-
- Duty Cycle (Max)：-
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Current Limit, Enable, On Time Control, Power Good
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：16-VQFN Exposed Pad
- Supplier Device Package：16-MLPQ (4x4)
- Grade：-
- Qualification：-
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Overview
The SC470IMLTRT is a synchronous buck switching controller manufactured by Semtech Corporation, designed for high-efficiency DC-DC conversion. It operates within a supply voltage range of 4.5V to 5.5V and features integrated synchronous rectification to minimize conduction losses. The device supports current limit, enable, and power good functions, ensuring robust system protection and monitoring. Packaged in a 16-pin MLPQ (4x4mm) surface-mount format, it is optimized for space-constrained applications requiring reliable power regulation.
Feature Summary
- Integrated synchronous rectifier topology for enhanced efficiency
- Built-in current limiting and power good status indication
- Enable control and fixed on-time management for stable operation
Applications
- Point-of-load voltage regulation in portable electronics
- Power management systems for industrial control modules
- Embedded computing platforms requiring efficient step-down conversion
Procurement Notes
Verify component authenticity through authorized Semtech distributors or certified partners. Confirm the specific package variant matches design requirements, as the SC470 series includes both MLPQ and TSSOP options. Review the latest datasheet for thermal performance guidelines and ensure compliance with RoHS and WEEE directives prior to integration into final products.
Selection Notes
Select this controller when synchronous rectification is required for improved efficiency at moderate load currents. The fixed on-time architecture simplifies external component selection compared to frequency-variable controllers. Ensure the input voltage remains within the specified 4.5V to 5.5V range and verify that the thermal dissipation capabilities of the 16-MLPQ package suit the application's power density constraints.
Part Context
This component belongs to the SC470 family of integrated gate drivers with soft-switching capabilities. It is part of Semtech's portfolio of power management ICs aimed at providing compact, high-performance solutions for modern electronic devices. The MLPQ package offers a small footprint suitable for dense PCB layouts.
Replacement Considerations
The SC470ITSTRT serves as a pin-compatible alternative utilizing a 14-TSSOP package. Both variants share identical electrical characteristics and functionality, differing only in physical housing dimensions. Verify board space availability before substituting between the MLPQ and TSSOP forms.
