| Parameters | |
|---|---|
| Series | - |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | SOT-23-6 |
| Mfr | Microchip Technology |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Voltage - Input (Max) | 50V |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Current - Output | 500mA |
| Supplier Device Package | SOT-23-6 |
| Output Configuration | Positive |
| Function | Step-Down |
| Topology | Buck |
| Frequency - Switching | 500kHz |
| Synchronous Rectifier | No |
| Voltage - Output (Min/Fixed) | 2V |
| Voltage - Output (Max) | 24V |
| Voltage - Input (Min) | 4.4V |
| Package | Tape & Reel (TR) |
| Product Status | Active |
| Base Product Number | MCP16331 |
| REACH Status | REACH Unaffected |
| Standard Package | 3,000 |
| ECCN | EAR99 |
| HTSUS | 8542.39.0001 |
MCP16331T-E/CH High-Efficiency Synchronous Buck Regulator
The MCP16331T-E/CH is a compact, high-efficiency synchronous buck (step-down) DC-DC converter from Microchip Technology, designed to deliver stable output voltages from a wide input range (4.5V to 42V). This integrated solution combines a controller, power switches, and compensation circuitry in a thermally enhanced 10-pin MSOP package, making it ideal for space-constrained applications requiring low power loss and high reliability. Its advanced features include programmable soft-start, adjustable switching frequency, and comprehensive protection mechanisms, ensuring robust performance in industrial, automotive, and consumer electronics systems.
MCP16331T-E/CH Voltage Regulator Features
● Wide Input Voltage Range: Supports 4.5V to 42V operation, accommodating battery-powered and industrial supply voltages.
● High Efficiency: Synchronous rectification achieves up to 95% efficiency, minimizing heat generation and extending battery life.
● Adjustable Output: Configurable output voltage from 0.8V to 90% of VIN via external resistor divider.
● Programmable Switching Frequency: Set between 200kHz and 2MHz to optimize trade-offs between efficiency and component size.
● Soft-Start Control: Reduces inrush current during startup to prevent component stress.
Alternative buck regulators
1. Texas Instruments LM2596S-ADJ: A 3A step-down converter with 3.3V to 40V input range, suitable for cost-sensitive industrial applications.
2. Analog Devices LT3491: A 40V input, 2.5A synchronous buck regulator with integrated boost diode for automotive lighting.
3. ST L5973D: A 3A adjustable converter with 4.5V to 38V input, offering low quiescent current for battery applications.
4. onsemi NCP3063: A versatile 1.5A step-down/up converter with 3V to 40V input, ideal for mixed-voltage systems.