L9468
ALL SILICON
VOLTAGE REGULATOR
1 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
The L9468 is a monolithic multifunction generator
Voltage regulator intended for use in automotive ap-
Figure 2.
Block Diagram
Figure 1.
Package
Multiwatt8
Table 1.
Order Codes
Part Number L9468N
Package Multiwatt8
plications.
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.
TO ECM
FM
F+
FIELD (ROTOR)
S
AS...