規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 4.7V ~ 28V |
| Frequency-Switching | 400kHz |
| DutyCycle(Max) | 83% |
| SynchronousRectifier | Yes |
| ClockSync | Yes |
| ControlFeatures | Enable, Power Good |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 14-TSSOP (0.173, 4.40mm Width) |
概述
Description
The NCP3011DTBR2G is a voltage detector IC manufactured by ON Semiconductor. It is designed to monitor system voltages and provide a reset signal when the voltage drops below a specified threshold. This capability is crucial in ensuring the reliable operation of microcontrollers and other digital circuits during power fluctuations. The device features a precise voltage detection threshold, low supply current, and a wide operational voltage range. Additionally, it offers options for manual reset input, ensuring flexible system design. The NCP3011DTBR2G is available in a compact SOT-23 package, making it suitable for space-constrained applications. It is commonly used in consumer electronics, computing, and industrial applications where maintaining stable operation during power supply variations is critical.
Equivalent
The NCP3011DTBR2G is a DC-DC converter controller. Equivalent products may include the LM3488 from Texas Instruments, the LT1613 from Analog Devices, and the MIC38C42 from Microchip Technology. These alternatives have similar functionalities but may differ in specific features or performance characteristics, so it is important to review their datasheets to ensure compatibility with your application.
Features
The NCP3011DTBR2G is a high-performance voltage supervisor, designed for monitoring power supply voltages. Key features include:
1. Under Voltage Lockout (UVLO): Ensures the device operates only when the supply voltage is above a pre-set value, preventing malfunction in undervoltage conditions.
2. Precision Monitoring: Provides accurate voltage monitoring with a tight threshold accuracy, typically within ±2%.
3. Adjustable Delay: Offers user-programmable delay time for reset output, allowing flexibility in system reset timing.
4. Low Power Consumption: Designed with a low quiescent current, making it suitable for battery-powered applications.
5. Reset Output: Features an active-low reset output to initiate a system reset when the monitored voltage drops below the threshold.
6. Wide Operating Voltage Range: Supports a broad range of input voltages, enhancing its versatility for various applications.
7. Compact Package: Available in a small, surface-mount package, saving board space.
These features make the NCP3011DTBR2G suitable for applications requiring reliable system reset control and voltage monitoring, such as in embedded systems and consumer electronics.
1. Under Voltage Lockout (UVLO): Ensures the device operates only when the supply voltage is above a pre-set value, preventing malfunction in undervoltage conditions.
2. Precision Monitoring: Provides accurate voltage monitoring with a tight threshold accuracy, typically within ±2%.
3. Adjustable Delay: Offers user-programmable delay time for reset output, allowing flexibility in system reset timing.
4. Low Power Consumption: Designed with a low quiescent current, making it suitable for battery-powered applications.
5. Reset Output: Features an active-low reset output to initiate a system reset when the monitored voltage drops below the threshold.
6. Wide Operating Voltage Range: Supports a broad range of input voltages, enhancing its versatility for various applications.
7. Compact Package: Available in a small, surface-mount package, saving board space.
These features make the NCP3011DTBR2G suitable for applications requiring reliable system reset control and voltage monitoring, such as in embedded systems and consumer electronics.
Pinout
The NCP3011DTBR2G is a voltage regulator IC manufactured by ON Semiconductor. It typically comes in an 8-pin package. The primary function of the NCP3011 is to serve as a low dropout (LDO) linear voltage regulator, providing a stable and precise output voltage from a higher input voltage. It is designed for use in portable and battery-powered applications, offering features such as low quiescent current and high power supply rejection ratio (PSRR). The specific functions of each pin may vary slightly depending on the exact configuration and package type, so it’s essential to consult the manufacturer's datasheet for the detailed pin configuration and functional description specific to this part number.
Manufacturer
The NCP3011DTBR2G is manufactured by ON Semiconductor, which is now known as onsemi. onsemi is a semiconductor company that designs, develops, and supplies a broad range of semiconductor components. These components are used in various applications, including automotive, industrial, communications, computing, consumer electronics, and more. The company is known for its focus on energy-efficient electronics and power management solutions, and it provides products such as power and signal management, logic, discrete, and custom devices. onsemi operates globally and is dedicated to driving innovation in the electronics industry.
Application
The NCP3011DTBR2G is a PWM controller designed for DC-DC converters, particularly in step-down (buck) applications. Its applications include powering microprocessors, DSPs, FPGAs, and ASICs within telecommunications, networking, and industrial systems. It's also used in consumer electronics to manage power efficiently in portable devices. The controller is valued for its high efficiency, providing precise voltage regulation, and integrating safety features like over-current protection and thermal shutdown. This makes it suitable for applications requiring reliable power management and energy efficiency.
Package
The NCP3011DTBR2G is typically available in a TSOP-6 (Thin Shrink Small Outline Package) package type. This package is compact, making it suitable for space-constrained applications.