RT424F12 Overview
The RT424F12 is a high-performance power management IC designed for efficient and reliable voltage regulation in industrial and consumer electronics. This device integrates advanced control mechanisms to deliver stable output voltage with minimal ripple and fast transient response. It supports multiple protection features, ensuring robust operation under diverse conditions. The RT424F12 is optimized for compact applications requiring high efficiency and thermal performance. Engineers and sourcing specialists will find this component suitable for systems demanding precise power delivery and enhanced reliability. For detailed datasheets and procurement, visit IC Manufacturer.
RT424F12 Technical Specifications
| Parameter | Value | Unit | Description |
|---|---|---|---|
| Input Voltage Range | 4.5 ?C 28 | V | Acceptable supply voltage range for stable operation |
| Output Voltage | 0.8 ?C 5.5 (adjustable) | V | Regulated output voltage range |
| Maximum Output Current | 12 | A | Peak current deliverable to the load |
| Switching Frequency | 600 | kHz | Internal fixed frequency for PWM control |
| Efficiency (typical) | Up to 95 | % | Power conversion efficiency under nominal load |
| Operating Temperature Range | -40 to 125 | ??C | Ambient temperature range for reliable operation |
| Package Type | QFN-24 | – | Compact surface-mount package for space-constrained designs |
| Protection Features | OVP, OCP, OTP | – | Overvoltage, overcurrent, and overtemperature protections integrated |
RT424F12 Key Features
- High Current Capability: Supports up to 12A output current, enabling power delivery to demanding loads without compromising performance.
- Wide Input Voltage Range: Operates reliably between 4.5V and 28V, allowing flexibility for various power sources and system architectures.
- Fixed 600kHz Switching Frequency: Ensures predictable EMI performance and allows for compact external component selection, reducing overall solution size.
- Integrated Protection Mechanisms: Includes overvoltage, overcurrent, and overtemperature protections, enhancing system safety and reducing risk of failure.
- High Efficiency Operation: Achieves up to 95% efficiency, minimizing power loss and thermal dissipation for improved energy savings and system reliability.
- Compact QFN-24 Package: Small form factor facilitates integration in limited PCB space without sacrificing thermal performance.
- Adjustable Output Voltage: Output voltage can be configured between 0.8V and 5.5V, supporting a wide array of load requirements and system voltage rails.
RT424F12 Advantages vs Typical Alternatives
This power management IC offers superior integration of protection features alongside a wide input voltage range and high output current capacity. Compared to typical alternatives, it delivers enhanced efficiency and thermal performance, reducing external component count and board space. The fixed switching frequency simplifies EMI management, while the compact package supports modern, space-constrained designs. These attributes make the device an ideal choice for applications requiring robust, reliable power conversion with precise voltage regulation.
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Typical Applications
- Industrial power supplies and automation systems requiring stable voltage rails and protection against harsh operating conditions with wide input voltage tolerance.
- Embedded computing platforms needing efficient step-down conversion to power processors and memory modules.
- Consumer electronics such as set-top boxes and smart appliances where compact size and high efficiency are critical.
- Networking equipment demanding consistent power delivery for communication ICs under variable load conditions.


