STMicroelectronics L9468
The L9468 is a monolithic multifunction generator Voltage regulator intended for use in automotive ap- Figure 2. This device regulates the output of an automotive generator by controlling the field winding current by means of a variable frequency PWM high side driver.| Part No. | L9468 |
|---|---|
| Datasheet | L9468 Download |
| Manufacturer |  STMicroelectronics |
| Description | ALL SILICON VOLTAGE REGULATOR |
| Buy | Stock & Price |
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 2
DESCRIPTION
Block Diagram Figure 1. Package Multiwatt8 Table 1. Order Codes Part Number L9468N Package Multiwatt8 plications. TO ECM FM F+ FIELD (ROTOR) S ASVR G FAULT L LAMP KEY SW VGO STARTER BATTERY P LOADS STATOR RECTIFIER BRIDGE D02AT503 September 2013 Rev. 2 1/8 L9468 Table 2. PinDESCRIPTION
N° Pin Function 1 VGO Generator output sense and voltage supply to L9468 2 F+ Field high side driver output 3 G Ground for L9468 4 S Battery sense input 5 GND Connected to the Tab through the frame 6 FM Field monitor output 7 L Lamp terminal low side driver 8 P Phase sense input Table 3.ABSOLUTE MAXIMUM RATINGS
Symbol Parameter VS Thermal Supply Voltage (load dump) IO Output Current Capability Ptot Total Power Dissipation (@Tcase = 150°C, IFIELD = 5A) VR Reverse Voltage (see figure 1) Figure 3.
