— IC芯片 | 连接器 | 传感器 | 被动器件 —
Product Detailed Parameters
- Description:IC REG CTRLR BUCK 20MLPQ
- Series:EcoSpeed®, SmartDrive™
- Mfr:Semtech Corporation
- Package:Tape & Reel (TR)
- Output Type:Transistor Driver
- Function:Step-Down
- Output Configuration:Positive
- Topology:Buck
- Number of Outputs:1
- Output Phases:1
- Voltage - Supply (Vcc/Vdd):3V ~ 28V
- Frequency - Switching:Up to 1MHz
- 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 ~ 85°C (TA)
- Mounting Type:Surface Mount
- Package / Case:20-VFQFN Exposed Pad
- Supplier Device Package:20-MLPQ-UT (3x3)
- Grade:-
- Qualification:-
Download product information
Overview
The SC419ULTRT is a single PWM controller manufactured by Semtech Corporation, designed for switching regulator applications. It operates within an input voltage range of 3 V to 28 V, with a nominal rating of 12 V. The device utilizes voltage-mode control and pulse width modulation techniques. It is housed in a 20-pin HVQCCN (LCC20) package with dimensions of 3 mm length. The component supports an operating temperature range from -40 °C to 125 °C and complies with RoHS standards.
Feature Summary
- Implements voltage-mode control architecture for stable regulation
- Utilizes pulse width modulation technology for efficient power conversion
- Designed as a single-channel switching controller
Applications
- General purpose switching regulator circuits
- Industrial power supply systems
- Embedded power management modules
Procurement Notes
Verify the specific package marking and date code against official Semtech documentation to ensure authenticity. Confirm that the procurement channel provides valid traceability records. Check for any recent product change notices regarding packaging or material composition updates before finalizing orders.
Selection Notes
Select this component when a single-channel PWM controller with a wide input voltage range up to 28 V is required. Ensure the application design accommodates the 20-pin HVQCCN footprint. Verify that the thermal requirements align with the specified -40 °C to 125 °C operating range for the intended environment.
Part Context
This part belongs to Semtech's portfolio of analog and mixed-signal integrated circuits. It falls under the broader category of power management solutions, specifically focusing on switching controllers. Semtech leverages its expertise in precision analog design to provide components for diverse electronic systems.
Replacement Considerations
Consult official Semtech substitution guides for verified alternatives. Do not assume pin-to-pin compatibility with other series without explicit manufacturer confirmation.
ChipApex | Global Electronic Components Supplier







