Overview
The NCP81071AMNTXG, produced by onsemi, is a high-speed dual low-side MOSFET driver designed to provide large peak currents into capacitive loads. This component is particularly useful in applications requiring high current drive capability and precise control over MOSFET switching transitions. It features enable functions for each driver, allowing for better control in various applications. The NCP81071AMNTXG is available in a WDFN8 3 mm x 3 mm package and is Pb-free, halogen-free, and RoHS compliant.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VDD) | 4.5 to 20 | V |
| Output Current (DC) | 0.3 | A |
| Reverse Current (Pulse < 1 μs) | 6.0 | A |
| Output Current (Pulse < 0.5 μs) | 6.0 | A |
| Input Voltage (INA, INB) | -6.0 to VDD+0.3 | V |
| Enable Voltage (ENA, ENB) | -0.3 to VDD+0.3 | V |
| Output Voltage (OUTA, OUTB) | -0.3 to VDD+0.3 | V |
| Rise Time (Typical) | 8 ns | ns |
| Fall Time (Typical) | 8 ns | ns |
| Propagation Delay (Typical) | 20 ns | ns |
| Thermal Impedance (Junction-to-Case) | 39 °C/W | °C/W |
Key Features
- High Current Drive Capability: ±5 A peak current at the Miller plateau region to reduce the Miller effect during MOSFET switching transitions.
- TTL/CMOS Compatible Inputs: Independent of supply voltage.
- Industry Standard Pin-out: With enable functions on previously unused pins.
- High Reverse Current Capability: Up to 6 A peak.
- Enable Functions: For each driver, internally pulled up to VDD for active high logic.
- Fast Switching Times: Typical rise and fall times of 8 ns with a 1.8 nF load.
- Dual Outputs: Can be paralleled for higher drive current.
- RoHS Compliant: Pb-free, halogen-free, and BFR-free.
Applications
- Server Power
- Telecommunication and Datacenter Power
- Synchronous Rectifier
- Switch Mode Power Supply
- DC/DC Converter
- Power Factor Correction
- Motor Drive
- Renewable Energy, Solar Inverter
Q & A
- What is the NCP81071AMNTXG used for?
The NCP81071AMNTXG is a high-speed dual low-side MOSFET driver used in applications requiring high current drive capability and precise control over MOSFET switching transitions. - What are the key features of the NCP81071AMNTXG?
Key features include high current drive capability, TTL/CMOS compatible inputs, industry standard pin-out, high reverse current capability, enable functions, fast switching times, and the ability to parallel dual outputs for higher drive current. - What is the typical rise and fall time of the NCP81071AMNTXG?
The typical rise and fall times are 8 ns with a 1.8 nF load. - What is the supply voltage range for the NCP81071AMNTXG?
The supply voltage range is from 4.5 V to 20 V. - Is the NCP81071AMNTXG RoHS compliant?
Yes, it is Pb-free, halogen-free, and BFR-free, making it RoHS compliant. - What are some common applications of the NCP81071AMNTXG?
Common applications include server power, telecommunication and datacenter power, synchronous rectifier, switch mode power supply, DC/DC converter, power factor correction, motor drive, and renewable energy systems like solar inverters. - What package types are available for the NCP81071AMNTXG?
The NCP81071AMNTXG is available in a WDFN8 3 mm x 3 mm package. - How do the enable functions work on the NCP81071AMNTXG?
The enable functions are implemented on pins ENA and ENB, which are internally pulled up to VDD for active high logic. These pins can be left open for standard operations. - What are the thermal considerations for the NCP81071AMNTXG?
The thermal impedance (junction-to-case) is approximately 39 °C/W. Proper PCB design, including a ground plane and thermal pad connection, is recommended for optimal heat dissipation. - Can the dual outputs of the NCP81071AMNTXG be paralleled?
Yes, the dual outputs can be paralleled to achieve higher drive current.
