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Pericom Semiconductor

PT8A3292 Datasheet Preview

PT8A3292 Datasheet

Heating Controller

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PT8A3290/1/2/3/4/5/6/7
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Heating Controller
Features
Description
Dual Voltage (120V/240V) operations
Auto temperature control with NTC
NTC open protection
Multi mode LED indicator
Proportional control
Pulse trigger for high current SCR/TRIAC (up to
15mA)
Internal Zener
Auto Heating off after heating timer timeout
Low cost 8-Pin DIP and SOIC package
The PT8A3290/1/2/3/4/5/6/7 is a mixed signal
CMOS LSI chip designed as heating controller with help
of external NTC (Negative Temperature Component).
NTC open protection is implemented for device safety.
This device can be used in both 120V and 240V power
line supplier, as it will automatically adjust the heating
power according to the power line voltage to avoid
heating appliance damage or long heating time. The
proportional control algorithm is designed in this
product.
Applications
Curler
Straightener
Pin Information
PT 8A3270/1/2/3
PT 8A3290/1/2/3
PT 8A3274/5/6/7
PT 8A3294/5/6/7
NTC1
NTC2
CLK
GND
1
2
3
4
8 VDD NTC1 1
7 OFF
NTC2 2
6 GATE CLK 3
5 ON
GND
4
8 VDD
7 LED2
6 GATE
5 ON/OFF
NTC1
NTC2
CLK
GND
Pin Description
Pin No.
Pin Name
3290/1/2/3 3294/5/6/7
I/O
Description
1
NTC1
NTC1
I NTC voltage input, NTC open detection input
2
NTC2
NTC2
O Output signal for NTC open detection
3 CLK CLK I Clock input from power line
4
GND
GND
Power Ground and Power
5
ON
ON_OFF
I/O
3290/1/2/3: Heating-on button input. and LED1 driving output
3294/5/6/7: Heating-on/off button input and LED1 driving output
6
GATE
GATE
O TRIAC trigger output
7
OFF
LED2
I/O
3290/1/2/3: Heating-off button input and LED2 driving output
3294/5/6/7: LED2 driving output
8
VDD
VDD
Power Ground and Power
12-07-0006
PT0262-1 07/06/12
1




Pericom Semiconductor

PT8A3292 Datasheet Preview

PT8A3292 Datasheet

Heating Controller

No Preview Available !

||||||||||||||||
PT8A3290/1/2/3/4/5/6/7
Heating Controller
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Block Diagram
NTC1
5Pbriet cAiDseC
ADC
NTC2
Controller
OOFFFF/T/LUERDBO2/LED2
GATE
CLK ON/ON_OFF/LED1
12-07-0006
PT0262-1 07/06/12
2


Part Number PT8A3292
Description Heating Controller
Maker Pericom Semiconductor
PDF Download

PT8A3292 Datasheet PDF






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