33099 Overview
Freescale Semiconductor Technical Data Document Number: 6.0, 1/2007 Adaptive Alternator Voltage Regulator The 33099 is designed to regulate the output voltage in dioderectified alternator charging systems mon to automotive applications. The 33099 provides either an analog or digital fixed frequency duty cycle (ON/OFF ratio) control of an alternator’s field current.
33099 Key Features
- External High-Side MOSFET Control of a Ground-Referenced Field Winding
- LRC Active During Initial Start
- Vset at ±0.1 V @ 25°C
- <0.1 V Variation Over Engine Speeds of 2,000 to 10,000 RPM
- <0.2 V Variation Over 10% to 95% of Maximum Field Current
- Controlled MOSFET and Field Flyback Diode Recovery Characteristics for Minimum RFI
- Trimmed Devices Available at 14.6 V and 14.8 V (typical) Vset
- Pb-Free Packaging Designated by Suffix Code EG