ILA1185A Datasheet, PDF (1/3 Pages) Integral Corp. – TRIAC PHASE ANGLE CONTROLLER

ILA1185A
TRIAC PHASE ANGLE CONTROLLER
The ILA1185A generates controlled triac triggering pulses and allows tachless speed
stabilization of universal motors by an integrated positive feedback function. Typical
applications are power hand tools, vacuum cleaners, mixers, light dimmer and other small
appliances.
• Supply Power Obtained from AC Line
• Can be used with 220 V/50 Hz or 110 V/60
Hz
• Low Count/Cost External Components
• Optimum Triac Firing (2nd and 3rd
Quadrants)
• Repetitive Trigger Pulses when Triac
Current is Intenupted
by Motor Brush Bounce
• Triac Current Sensing to Allow Inductive
Loads
• Programmable Soft-Start
• Power Failure Detection and General
Circuit Reset
• Low Power Consumption; 6.0 mA
Pin Connection
1 ^VEE
Gate trigger ₂
NC ₃
Ramp Generator ₄
NC ₅
Current Cense ₆
Voltage Cense ₇
14 ^VCC
13 ^{Soft start}
12 ^{Finning Angle Set}
11 ^NC
10 ^{Bias Current}
9 ^{Feedback Input}
8 ^{Integration Cap}
Figure 1. Representative Block Diagram
1