廬
L9639
FOLDER ACTUATOR
BIDIRECTIONAL SWITCH
MOTOR STOP CONTROLLED BY MOTOR
CURRENT
START UP AND END CURRENT DETEC-
TION THRESHOLDS PROGRAMMABLE
WITH EXTERNAL RSHUNT
STOP DELAY TIME FOR START UP AND
END PHASE PROGRAMMABLE WITH EX-
TERNAL RC
OUTPUT SHORT CIRCUIT PROTECTION
OUTPUT CURRENT LIMITING > 8A
THERMAL PROTECTION
ACTIVE DIODE BRIDGE INTERNALLY DIF-
FUSED
MAXIMUM VOLTAGE SUPPLY 50V
BLOCK DIAGRAM
PowerSO20
TECHNOLOGY MULTIPOWER BCD60II
COMMON
19
V+
14
17
OPEN LOAD
DETECTOR
CHARGE
PUMP
16
POWER
DUAL DMOS
GND
1,10,11,20
ACTIVE
BRIDGE
POW ER ON
RESET
CHARGE
CEX.
LOGIC HV
LIVE
2
REF.
VOLTAGE
CURRENT
PROTECT.
CONTROL
LOGIC LV
COMP.
THERMAL
PROTECT.
REF. COMP.
CURRENT
5
3
4
8
RCEX
VREF
6
SHUNT
November 1998
1/6