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NCP81231MNTXG
+BOMIC REG CTLR USB-PD 32QFN
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メーカーオンセミコンダクター社
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メーカー品番 #NCP81231MNTXG
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データシート NCP81231MNTXG DataSheet
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在庫状況2776
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Part Status | Not For New Designs |
| Output Type | Transistor Driver |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 28V |
| Frequency - Switching | 150kHz ~ 1.2MHz |
| Duty Cycle (Max) | 100% |
| Synchronous Rectifier | Yes |
| Clock Sync | No |
| Serial Interfaces | I2C |
| Control Features | Current Limit, Enable |
| Operating Temperature | -40°C ~ 100°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 32-VFQFN Exposed Pad |
| Supplier Device Package | 32-QFN (5x5) |
| Base Product Number | NCP81231 |
概要
Description
Key specifications include adjustable output voltage, programmable switching frequency, and built-in protection features like over-voltage, under-voltage, and thermal shutdown. The NCP81231MNTXG also supports advanced power management techniques, such as pulse-width modulation (PWM) and pulse-frequency modulation (PFM), to enhance efficiency across different loads.
This device is ideal for applications in computing, telecommunications, and industrial systems where reliable and efficient power conversion is crucial. Its compact package and robust performance make it a popular choice among engineers designing advanced power solutions.
Equivalent
Features
1. Wide Input Voltage Range: Operates from 4.5V to 20V, accommodating various input sources.
2. High Efficiency: Implemented with synchronous rectification to minimize power loss and improve efficiency, especially under light loads.
3. Adjustable Output Voltage: The output voltage can be set between 0.8V and 5V, allowing flexibility for different applications.
4. Fast Transient Response: Optimized for quick load changes, ensuring stable output voltage.
5. Integrated Compensation: The controller features internal compensation to simplify design and improve stability.
6. PWM Control: Utilizes pulse-width modulation for efficient regulation.
7. Protection Features: Includes over-voltage protection, under-voltage lockout, and thermal shutdown for enhanced reliability.
8. Compact Package: Available in a 16-pin HTSSOP package for space-saving designs.
These features make the NCP81231MNTXG suitable for a variety of applications, including GPU, FPGA, and general DC-DC conversion.
Pinout
Key functions include:
- Power Management: It provides efficient regulation for various applications, commonly used in desktop and server power supplies.
- Output Voltage Control: It has adjustable output voltages, allowing flexibility in voltage settings.
- Protection Features: Includes overcurrent protection, thermal shutdown, and under-voltage lockout to ensure safe operation.
- Power Good Indicator: It features a power good output to signal valid output voltages.
- Enable Control: Has an enable pin to control the on/off state of the regulator.
This IC is designed for optimal performance in terms of power efficiency and thermal management in complex power systems.
Manufacturer
Application
1. Graphics Cards - Providing efficient voltage regulation for GPU power supply.
2. Motherboards - Regulating power for CPU and chipset components.
3. Telecommunications - Ensuring stable power for communication devices.
4. Industrial Equipment - Offering reliable power management in automation systems.
5. Consumer Electronics - Supporting power regulation in devices like laptops and tablets.
Its compact design and high efficiency make it suitable for various electronic systems requiring precise voltage management.