MLX90805 ETC [List of Unclassifed Manufacturers], MLX90805 Datasheet - Page 4

• Manufacturer Part Number: MLX90805
• Description: Intelligent Triac Controller
• Manufacturer: ETC [List of Unclassifed Manufacturers]

Zero Cross Detector
This detector contains two comparators with hysteresis. The first comparator has its reference at VDDA. The
reference of the second one is VDDA-1V.
Triac (Ignition) Driver
This driver operates as a current generator to fire the triac ON.
ADC
MLX90805 Intelligent Triac Controller
Symbol
Vzc1h
Vzc1l
Vzc2h
Vzc2l
Rzc
Symbol
ITRG
Symbol
VREF
Description
High level threshold 1
Low level threshold 1
High level threshold 2
Low level threshold 2
External resistor
Description
Triac gate current
Description
Resolution
Reference voltage
Min
Min
Min
4.6
30
Page 4
VDDA
VDDA
VDDA
VDDA
+0.5
Typ
Typ
Typ
-0.5
-1.5
-2.5
470
60
4
5
Max
Max
Max
5.4
90
Intelligent Triac Controller
Unit
Unit
Unit
bits
k
mA
V
V
V
V
V
Conditions
Vline = 230VAC typ
Conditions
VDDA > Vaporh
Conditions
MLX90805
Rev 1.2 17/May/00