Overview
The FAN3122TMX is a high-speed, low-side gate driver from onsemi, designed to drive N-channel enhancement MOSFETs in low-side switching applications. This driver is part of the FAN3122 series and is known for its high peak current pulses and robust features. It is available in an 8-lead SOIC package and is rated for operation from -40°C to +125°C.
Key Specifications
| Attribute | Value |
|---|---|
| Configuration | Low Side |
| No of Outputs | Single |
| Peak Output Current | 11.4 A (at VDD = 12 V) |
| Supply Voltage - Max | 18 V |
| Package Style | SOIC-8 |
| Mounting Method | Surface Mount |
| Operating Temperature Range | -40°C to +125°C |
| Output Rise/Fall Times (10 nF Load) | 23 ns / 19 ns |
| Propagation Delay Time | 18 ns to 23 ns |
Key Features
- Industry-Standard Pin-out with Enable Input
- 4.5 to 18 V Operating Range
- 11.4 A Peak Sink at VDD = 12 V, 9.7 A Sink / 7.1 A Source at VOUT = 6 V
- Inverting Configuration (FAN3121) and Non-Inverting Configuration (FAN3122)
- Internal Resistors Turn Driver Off If No Inputs
- Choice of TTL or CMOS Input Thresholds
- MillerDrive™ Technology for high peak current during MOSFET turn-on/turn-off
- Available in Thermally Enhanced 3x3 mm 8-Lead MLP or 8-Lead SOIC Package (Pb-Free Finish)
Applications
- Synchronous Rectifier Circuits
- High-Efficiency MOSFET Switching
- Switch-Mode Power Supplies
- DC-to-DC Converters
- Motor Control
Q & A
- What is the operating voltage range of the FAN3122TMX?
The FAN3122TMX operates within a voltage range of 4.5 to 18 V.
- What is the peak output current of the FAN3122TMX at VDD = 12 V?
The peak output current is 11.4 A at VDD = 12 V.
- What are the typical rise and fall times of the FAN3122TMX with a 10 nF load?
The typical rise and fall times are 23 ns and 19 ns, respectively.
- Does the FAN3122TMX have an enable function?
- What are the input threshold options for the FAN3122TMX?
The FAN3122TMX is available with either TTL or CMOS input thresholds.
- What is the MillerDrive™ Technology used in the FAN3122TMX?
The MillerDrive™ Technology is a bipolar/MOSFET combination that provides the highest peak current during the Miller plateau stage of the MOSFET turn-on/turn-off process.
- In what packages is the FAN3122TMX available?
The FAN3122TMX is available in a 3x3 mm 8-lead thermally-enhanced MLP package or an 8-lead SOIC package.
- What is the operating temperature range of the FAN3122TMX?
The operating temperature range is from -40°C to +125°C.
- What are some common applications of the FAN3122TMX?
- Is the FAN3122TMX Pb-Free?
