Overview
The NCV8403ASTT3G is a self-protected low-side driver produced by onsemi. This device is part of the NCV8403A/B series, which are three-terminal protected Low-Side Smart Discrete devices. Designed for harsh automotive and industrial environments, the NCV8403ASTT3G offers advanced protection features and robust performance. It is packaged in the SOT-223 format and is Pb-free, halogen-free, and RoHS compliant.
Key Specifications
| Rating | Symbol | Value | Unit |
|---|---|---|---|
| Drain-to-Source Voltage Internally Clamped | VDSS | 42 | Vdc |
| Gate-to-Source Voltage | VGS | −14 | Vdc |
| Drain Current Continuous | ID | Internally Limited | A |
| Total Power Dissipation - SOT-223 Version @ TA = 25°C | PD | 1.13 / 1.56 | W |
| Thermal Resistance - SOT-223 Version Junction-to-Ambient | RθJA | 40 / 60 | °C/W |
| Gate Threshold Voltage | VGS(th) | 1.2 mAdc | V |
| On-Resistance | RDS(on) | 53 mΩ @ 10 V | mΩ |
Key Features
- Short Circuit Protection
- Thermal Shutdown with Automatic Restart
- Over Voltage Protection
- Integrated Clamp for Inductive Switching
- ESD Protection
- dV/dt Robustness
- Analog Drive Capability (Logic Level Input)
- AEC-Q101 Qualified and PPAP Capable
- Pb-free, Halogen Free/BFR Free and RoHS Compliant
Applications
- Switch a variety of resistive, inductive, and capacitive loads
- Can replace electromechanical relays and discrete circuits
- Automotive and Industrial applications
Q & A
- What is the maximum drain-to-source voltage for the NCV8403ASTT3G?
The maximum drain-to-source voltage is 42 Vdc.
- What are the key protection features of the NCV8403ASTT3G?
The key protection features include overcurrent, overtemperature, ESD protection, and integrated Drain-to-Gate clamping for overvoltage protection.
- What is the typical on-resistance of the NCV8403ASTT3G?
The typical on-resistance is 53 mΩ at VGS = 10 V.
- Is the NCV8403ASTT3G suitable for automotive applications?
Yes, it is AEC-Q101 qualified and suitable for harsh automotive environments.
- What is the thermal shutdown feature of the NCV8403ASTT3G?
The device features thermal shutdown with automatic restart.
- What types of loads can the NCV8403ASTT3G switch?
The device can switch a variety of resistive, inductive, and capacitive loads.
- Is the NCV8403ASTT3G RoHS compliant?
Yes, the device is Pb-free, halogen-free, and RoHS compliant.
- What package types are available for the NCV8403A/B series?
The device is available in SOT-223 and DPAK packages.
- What is the gate threshold voltage of the NCV8403ASTT3G?
The gate threshold voltage is typically around the value when VDS = VGS and ID = 1.2 mA.
- Can the NCV8403ASTT3G replace electromechanical relays?
Yes, it can replace electromechanical relays and discrete circuits.
