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= 100m鈩?/div>
DIAGNOSTIC AND PROTECTION
FUNCTIONS
碌P
COMPATIBLE
GROUNDED CASE
INRUSH CURRENT LIMITING CIRCUIT
MULTIPOWER BCD TECHNOLOGY
DESCRIPTION
The L9821 High Side Driver realized with Multipo-
wer - BCD mixed technology, drives resistive or in-
ductive loads with one side connected to ground.
The input control is TTL compatible and a diagnos-
tic output provides an indication of load (open and
short) and device status (thermal and overvoltage
shutdown).Onchip thermalprotectionand short cir-
cuit protection are provided.
BLOCK DIAGRAM
Pentawatt
ORDERING NUMBER
: L9821
The device is assembled in the Pentawattpackage
with the tab connected to the ground terminal.
February 1997
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