Overview
The NCP81161MNTBG is a high-performance dual MOSFET gate driver IC produced by onsemi. This component is optimized to drive the gates of both high-side and low-side power MOSFETs in synchronous buck converters. It is designed to provide low switching losses and high efficiency, making it suitable for various power management applications, including notebook and desktop systems.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Configuration | Half-Bridge | |
| Gate Type | N-Channel MOSFET | |
| High Side Negative Voltage | 35 V | |
| Input Logic | Non-Inverting | |
| Maximum Input Low Voltage | 700 mV | |
| Maximum Operating Temperature | 125°C (TA) | |
| Maximum Propagation Delay Time | 40 ns @ 5V, 3nF | |
| Maximum Supply Voltage | 13.2 V | |
| Minimum Input High Voltage | 3.4 V | |
| Minimum Operating Temperature | -10°C (TA) | |
| Minimum Supply Voltage | 4.5 V | |
| Number of Drivers | 2 | |
| Number of Outputs | 2 | |
| Package Type | 8-DFN (2x2) | |
| Rise Time | 16 ns | |
| Fall Time | 11 ns |
Key Features
- Faster Rise and Fall Times
- Adaptive Anti-Cross-Conduction Circuit
- Integrated Bootstrap Diode
- Pre-OV Function
- ZCD Detect
- Floating Top Driver Accommodates Boost Voltages of up to 35 V
- Output Disable Control Turns Off Both MOSFETs
- Under-Voltage Lockout
- Power Saving Operation Under Light Load Conditions
- Direct Interface to NCP6151 and Other Compatible PWM Controllers
- Thermally Enhanced Package
- Pb-Free, Halogen Free/BFR Free and RoHS Compliant
Applications
- Power Solutions for Desktop Systems
- Notebook Power Management
- Synchronous Buck Converters
Q & A
- What is the primary function of the NCP81161MNTBG?
The NCP81161MNTBG is a dual MOSFET gate driver IC designed to drive the gates of both high-side and low-side power MOSFETs in synchronous buck converters.
- What is the maximum operating temperature of the NCP81161MNTBG?
The maximum operating temperature is 125°C (TA).
- What is the minimum supply voltage required for the NCP81161MNTBG?
The minimum supply voltage is 4.5 V.
- Does the NCP81161MNTBG have an under-voltage lockout feature?
- What is the package type of the NCP81161MNTBG?
The package type is 8-DFN (2x2).
- Is the NCP81161MNTBG RoHS compliant?
- What are the typical applications of the NCP81161MNTBG?
Typical applications include power solutions for desktop systems and notebook power management.
- Does the NCP81161MNTBG have adaptive anti-cross-conduction circuitry?
- What is the maximum high-side negative voltage the NCP81161MNTBG can handle?
The maximum high-side negative voltage is 35 V.
- How many drivers and outputs does the NCP81161MNTBG have?
The NCP81161MNTBG has 2 drivers and 2 outputs.
