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SIC461ED-T1-GE3
SIC461ED-T1-GE3
| Part Number | SIC461ED-T1-GE3 |
|---|---|
| Manufacturer | Vishay Siliconix |
| Category | Integrated Circuits (ICs) > PMIC – Voltage Regulators – DC DC Switching Regulators |
| Description | microBUCK® 10A highly efficient synchronous buck regulator with integrated power MOSFETs, supporting a wide input voltage range from 4.5V to 60V, featuring scalable output and advanced multi-layer protection architectures. |
| Stock Status | In Stock |
| Origin | Original Factory |
Product Overview
The SIC461ED-T1-GE3 is Vishay Siliconix fully integrated microBUCK® synchronous buck regulator with 10A continuous output. It supports 4.5V–60V wide input rail to withstand industrial voltage transients, integrating high/low-side MOSFETs and PWM controller on a single die. Its proprietary COT control delivers fast load transient response and stable light/heavy load operation, with up to 2MHz adjustable frequency to shrink passive component size. Housed in thermally enhanced 5mm×5mm PowerPAK® MLP55-27L, it achieves high power density for industrial, telecom, medical and computing power supplies.
Core Advantages
Extraordinarily Wide Input Voltage Range
Supports reliable operation from 4.5V all the way up to 60V, enabling direct voltage conversion from standard 12V, 24V, and 48V industrial or telecom bus rails without requiring intermediate down-conversion stages.
Ultra-Fast COT Transient Control
Employs an advanced Constant On-Time (COT) regulation framework that ensures lightning-fast load transient recovery and stable performance without complex external loop compensation networks.
High Integration & Low Component Count
Combines power MOSFETs, gate drivers, and a feature-rich PWM controller inside a single package, drastically reducing BOM overhead and minimizing total PCB layout area.
Comprehensive Internal Fault Safety
Equipped with cycle-by-cycle overcurrent protection (OCP), output short-circuit protection (SCP), overvoltage protection (OVP), undervoltage lockout (UVLO), programmable soft start and thermal shutdown to secure operational ruggedness in demanding environments, plus power good status flag for system monitoring.
Key Specifications
| Brand | Vishay microBUCK® Series |
|---|---|
| RoHS Status | RoHS Compliant / Lead-Free / Halogen-Free (GE3 Environment Rating) |
| EDA/CAD Model | 3D CAD Step Models, Schematic Symbols & PCB Footprints available upon request |
| Warranty | 1-Year Standard Quality Warranty |
| Package / Case | PowerPAK® MLP55-27L (5mm x 5mm) |
| Mounting Type | Surface Mount Technology (SMD/SMT) |
| Surface Marking / Silkscreen | SIC461 Marking |
| Input Voltage Range (VIN) | 4.5 V to 60 V DC Input Rail |
| Output Voltage Range (VOUT) | Adjustable from 0.8 V to 55.2 V (0.92 × VIN Max Ratio) |
| Continuous Output Current (IOUT) | Up to 10 A Continuous Current Capability |
| Switching Frequency (fSW) | Adjustable from 100 kHz to 2 MHz |
| Peak Efficiency | Up to 98% Optimized Conversion Efficiency |
| Control Methodology | Constant On-Time (COT) Control Loop Architecture |
| Operating Junction Temperature | -40°C to +105°C Continuous Operating Range, Absolute Max +125°C |
| Quiescent Supply Current (IQ) | 120 μA Typical (No Load, VIN=24V) |
| Programmable Soft-Start Time | 1 ms to 10 ms Adjustable Soft Start Ramp |
| Power Good Detection Threshold | 92% Nominal Output Voltage Monitoring Flag |
| Thermal Resistance Junction to Ambient (RθJA) | 42 °C/W |
Typical Applications
- Industrial Control Infrastructure, Factory Automation PLCs, and Process Machinery
- Base Stations, Telecom Power Bricks, and 48V Distributed Power Architecture Networks
- Automotive Infotainment Systems, Fleet Tracking Systems, and High-Voltage Transportation Modules
- Advanced Computing Data Centers, Enterprise Storage Servers, and Network Router Power Subsystems
- Robotics Controller Boards, Drones, and High-Power Battery-Powered Unregulated Rail Systems
Order & Shipping Info
| Minimum Order Quantity (MOQ) | 1 Piece |
|---|---|
| Shipping Time | Shipped within 1-2 business days |
| Delivery Time | 3-7 working days worldwide |
| Shipping Methods | DHL, UPS, FedEx, EMS |
| Payment Methods | T/T (Bank Transfer), PayPal, Credit Card, Western Union |
Technical Support
For datasheet, sample requests, stock check, or bulk pricing, please use the Quick Inquiry form. We will reply within 24 hours.
Frequently Asked Questions
Q1: Is your current stock of the SIC461ED-T1-GE3 100% genuine and original factory material?
A: Yes, we guarantee that all SIC461ED-T1-GE3 regulators in our inventory are 100% authentic, brand-new parts directly from Vishay Siliconix. Every batch undergoes strict compliance logging and is delivered inside factory moisture-barrier packaging with complete ESD protection.
Q2: What is the main system-level benefit of the Constant On-Time (COT) loop featured in this chip?
A: Unlike traditional fixed-frequency PWM control, a Constant On-Time (COT) loop responds instantly to dynamic load steps without waiting for a clock cycle. This drastically reduces output voltage deviations under sudden load changes and completely eliminates the need for external loop compensation networks, simplifying circuit layout.
Q3: Can the SIC461ED-T1-GE3 step down a 48V input directly to a 5V or 3.3V logic rail?
A: Yes. Thanks to its wide 4.5V to 60V input window and highly scalable duty cycle capability, the device can execute direct single-stage step-down conversion from 48V down to low-voltage rails like 5V or 3.3V. This completely eliminates the need for a secondary intermediate regulator stage, increasing power efficiency and reducing overall system cost.
Q4: How can our engineering group request technical development tools, reference design files, or volume tier pricing?
A: Please submit your details via our Quick Inquiry form on this page. Our technical support desk will handle your inquiry and forward the requested configuration documents and commercial quotes within 24 hours.
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