Overview
The NCP81022MNTXG, produced by onsemi (formerly Fairchild Semiconductor), is a highly specialized power management integrated circuit designed for precise voltage regulation and protection. This dual output, four plus one phase buck controller is optimized for AMD® SVI2 CPUs, making it ideal for both desktop and notebook applications. The controller features advanced technologies such as true differential voltage sensing, differential inductor DCR current sensing, input voltage feed-forward, and adaptive voltage positioning to ensure accurate and stable power delivery. It also incorporates Dynamic Reference Injection to simplify loop compensation and enhance transient performance.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value |
|---|---|---|---|
| Supply Voltage (VCC) | 5.0 V | 4.75 V | 5.25 V |
| Supply Current | 48 mA | - | - |
| Operating Temperature Range | - | -10°C | 100°C |
| Package Type | 52-VFQFN Exposed Pad | - | - |
| Pin Count | 52 | - | - |
| Mounting Type | Surface Mount | - | - |
| Thermal Junction Temperature Range | - | -10°C | 125°C |
| Maximum Storage Temperature Range | - | -40°C | 150°C |
Key Features
- Overvoltage and Undervoltage Protection
- Surge Protection
- ESD Protection
- High-Speed Response
- Low Dropout Voltage
- High Current Handling
- Dual-Edge Pulse-Width Modulation (PWM) with DCR current sensing
- Dynamic Reference Injection for simplified loop compensation
- Auto frequency scaling in light load conditions
- Dual high-performance operational error amplifiers
Applications
- Overvoltage and Undervoltage Protection
- Surge Protection
- ESD Protection
- Power Management in Desktop and Notebook Systems
- Voltage Monitoring and Protection in Various Electronic Systems
Q & A
- What is the primary function of the NCP81022MNTXG?
The NCP81022MNTXG is a dual output, four plus one phase buck controller optimized for AMD® SVI2 CPUs, providing precise voltage regulation and protection.
- What are the key protection features of the NCP81022MNTXG?
The key protection features include overvoltage, undervoltage, surge, and ESD protection.
- What is the operating temperature range of the NCP81022MNTXG?
The operating temperature range is from -10°C to 100°C.
- What is the supply voltage range for the NCP81022MNTXG?
The supply voltage range is from 4.75 V to 5.25 V.
- What type of package does the NCP81022MNTXG come in?
The NCP81022MNTXG comes in a 52-VFQFN Exposed Pad package.
- What is the significance of Dynamic Reference Injection in the NCP81022MNTXG?
Dynamic Reference Injection simplifies loop compensation by eliminating the need for external components, thus enhancing transient performance.
- How does the NCP81022MNTXG handle light load conditions?
The controller can shed to single phase during light load operation and auto frequency scale to maintain excellent transient performance.
- What is the maximum storage temperature range for the NCP81022MNTXG?
The maximum storage temperature range is from -40°C to 150°C.
- Is the NCP81022MNTXG RoHS compliant?
- What are the typical applications of the NCP81022MNTXG?
The typical applications include power management in desktop and notebook systems, and voltage monitoring and protection in various electronic systems.
- What is the significance of dual high-performance operational error amplifiers in the NCP81022MNTXG?
The dual high-performance operational error amplifiers simplify the compensation of the system, enhancing overall performance and stability.
