33099 Datasheet (Freescale Semiconductor) - Adaptive Alternator Voltage Regulator

33099, Adaptive Alternator Voltage Regulator

Pin Number 1 2 3 4 5 6 7 8 Pin Name GATE BAT GND LAMP DRAIN LAMP GATE IGN LRC2 LRC1 Formal Name GATE DRIVE BATTERY GROUND LAMP DRAIN LAMP GATE IGNITION LOAD RESPONSE CONTROL 2 LOAD RESPONSE CONTROL 1 ANALOG GROUND REMOTE NO CONNECT LOAD RESPONSE CONTROL TEST PHASE FILTER PHASE SENSE INPUT SOURCE Def

www.DataSheet4U.com Freescale Semiconductor Technical Data Document Number: MC33099 Rev.

6.0, 1/2007 Adaptive Alternator Voltage Regulator The 33099 is designed to regulate the output voltage in dioderectified alternator charging systems common 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.

Load Response Control (LRC) of the alternator field current is accomplished by selecting the

33099 Features

* External High-Side MOSFET Control of a Ground-Referenced Field Winding

* LRC Active During Initial Start

* Vset at ±0.1 V @ 25°C