MLX90804 Datasheet, PDF (3/12 Pages) List of Unclassifed Manufacturers – Speed regulator for universal motors

MLX90804
Speed regulator for universal motors
MLX90804 Electrical Specifications
DC Operating Parameters TA = 0^oC to 85^oC
Parameter
Symbol Test Conditions
Ambient temperature
Tamb
Maximum chip temperature Tch
Thermal resistance
Rth
PDIP8 package
Maximum allowed source IDD4m Drivers off, all the current flows in the chip
supply current
Min Typ Max Units
0
85 °C
150 °C
110
° C/W
10 mA
Power supply
The 90804 supply pin (VDD1) must be connected by external series resistors and a rectifier diode to the AC
line. An internal zener function limits the voltage at VDD1 to approximately 16V. For proper operation a decou-
pling capacitor must be connected between VDD1 and VSS.
Parameter
Symbol Test Conditions
Min Typ Max Units
Voltage applied at the sup- VDD1
ply pin
Internal 5V supply
VDD
IDD1 = 5mA
14 16 18 V
4.6 5.0 5.4 V
Current consumption
IDD1 VDD1 = 14V
0.7
mA
For external circuitry
VEXT IEXT = 8mA
4.5 5
V
Power on Reset
This block ensures a correct start of the digital part. The reset signal (DPORB) goes up for VDD>Vdporh and
down for VDD<Vdporl.
Parameter
Symbol Test Conditions
Min Typ Max Units
High level threshold
Vdporh
2.5
V
Low level threshold
Vdporl
2.0
V
Hysteresis
Vdphyst
0.5
V
Analog Power-On Reset
This block tracks the voltage applied at VDD1. The triac firing is permitted if VDD1 > Vaporh and is stopped when
VDD1<Vaporl.
Parameter
Symbol Test Conditions
Min Typ Max Units
High level threshold
Vaporh
13
V
Low level threshold
Vaporl
10
V
Hysteresis
Vaphyst
2 3 4V
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