Overview
The L9468N is a monolithic multifunction generator voltage regulator produced by STMicroelectronics. It is specifically designed for use in automotive applications, regulating the output of an automotive generator by controlling the field winding current through a variable frequency PWM high side driver. This device integrates several key functions, including voltage regulation, diagnostic capabilities, and protection features, making it a comprehensive solution for automotive electrical systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Max Supply Voltage | 20 | V |
| Min Supply Voltage | 10 | V |
| Mount | Through Hole | |
| Number of Outputs | 1 | |
| Number of Pins | 8 | |
| Output Voltage | 14.1 | V |
| Max Operating Temperature | 150 | °C |
| Min Operating Temperature | -40 | °C |
| Radiation Hardening | No | |
| RoHS Compliance | Compliant | |
| Thermal Resistance junction-case | 1.5 | °C/W |
| Storage Temperature | -50 to 175 | °C |
Key Features
- Fully monolithic design
- High side field drive
- Thermal protection
- Field driver short circuit protection
- Protected diagnostic lamp driver
- Reduced output mode
- Complex diagnostics
- Load response control
Applications
The L9468N is primarily used in automotive applications, specifically for regulating the output of automotive generators. It is designed to control the field winding current and ensure stable voltage output, making it suitable for various automotive electrical systems.
Q & A
- What is the primary function of the L9468N?
The L9468N is a monolithic multifunction generator voltage regulator designed to regulate the output of an automotive generator by controlling the field winding current.
- What is the maximum operating voltage for the L9468N?
The maximum operating voltage for the L9468N is 20V. Above this level, the FAILSAFE feature shuts down the output stage.
- What type of protection does the L9468N offer?
The L9468N offers thermal protection, field driver short circuit protection, and protected diagnostic lamp driver.
- What is the output voltage of the L9468N?
The output voltage of the L9468N is 14.1V.
- Is the L9468N RoHS compliant?
Yes, the L9468N is RoHS compliant.
- What is the operating temperature range for the L9468N?
The operating temperature range for the L9468N is from -40°C to 150°C.
- What type of diagnostics does the L9468N support?
The L9468N supports complex diagnostics, including load response control and fault detection.
- How many pins does the L9468N have?
The L9468N has 8 pins.
- What is the thermal resistance junction-case for the L9468N?
The thermal resistance junction-case for the L9468N is 1.5°C/W.
- What is the storage temperature range for the L9468N?
The storage temperature range for the L9468N is from -50°C to 175°C.
