鈥?/div>
On鈥揅hip Ramps Generator
Soft鈥揝tart
Load Current Limitation
Tachogenerator Circuit Sensing
Direct Supply from AC Line
Security Functions Peformed by Monitor
16
1
16
1
PLASTIC PACKAGE
CASE 648
D SUFFIX
PLASTIC PACKAGE
CASE 751B
(SO鈥?6)
ORDERING INFORMATION
Device
TDA1085CD
TDA1085C
Operating
Temperature Range
TJ = 鈥?10擄 to +120擄C
Package
SO鈥?6
Plastic DIP
Figure 1. Representative Block Diagram and Pin Connections
+ VCC
Shunt Regulator
Ballast Resistor
9
10
8
Voltage
Reg
Monitoring
Reset
Speed
Detector
Ramp
Generator
鈥?/div>
+
Control
Amp.
Trigger Pulse
Gen.
0.7 V
=
Current
Limiter
12
11
4
5
6
3
鈥揤CC
7
16
14
15
2
1
13
Digital Speed Sense
F/VC Pump Capacitor
Ramp Gen. Timing
Actual Speed
Set Speed
Sawtooth Capacitor
Ramp Current Gen. Control
Sawtooth Set Current
Motor Current Limit
Voltage Synchronization
Current Synchronization
漏
Motorola, Inc. 1996
Closed Loop Stability
Trigger Pulse Output
Rev 5
MOTOROLA ANALOG IC DEVICE DATA
1
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