PT8A3363.pdf 데이터시트 (총 16 페이지) - 파일 다운로드 PT8A3363 데이타시트 다운로드

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PT8A3361/62/63/64
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NTC+LCD Heating Controller
Features
Description
LCD screen showing temperature setting
Dual Temperature (Fahrenheit/Centigrade) Display
Backlights indicating work status
Auto temperature control with NTC
8 and 11 temperature levels option
Three keys: On/Off, Up and Down
NTC open protection
Pulse trigger for high current SCR/TRIAC (up to
15mA)
1 hour auto power off.
Dual Voltage (120V/240V) operations
Internal 5V zener
Lead free and Green QFN-24TSSOP-24 and
SOIC-24 package; Lead free DIP-24 package
The PT8A336x 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 and 11
temperature levels. It can drive TRIAC or SCR directly.
It has 3 keys function setting. LCD displays and
backlight indicate the working status.
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 PT8A336x build-in timer will be auto-power off
after power on 1 hour both 60Hz and 50Hz.
Applications
Heating Controller
Block Diagram
12-07-0006
PT0356-1 07/06/12
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PT8A3361/62/63/64
NTC+LCD Heating Controller
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Pin Information
Pin Configuration
PT8A3361/62/63/64
Pin Description
Pin No.
Name
1, 19
20, 21, 22,
24, 23, 2
3,4,5,6
7
8
9
10
11
12
13
14
15
16
17, 18
SEL2,SEL1
SEG1,SEG2,
SEG3,SEG4,
SEG5,SEG6,
COM1,COM2
COM3,COM4
C/F
NTC1
NTC2
GND
CLK
K2
K1
VDD
GATE
BL1
NC
Type
I
O
O
O
I
O
Power
I
I
I
Power
O
O
-
Description
Select temperature setting: 00: 100C~200C; 01: 130C~230C;10:
120C~220C; 11: 160C~230C.
LCD digits control output.
LCD digits control output.
Internal pull up, default for LCD shows C; Low level: LCD shows F.
NTC voltage input, NTC open detection input.
Output signal for NTC open detection.
Ground.
Clock input from power line.
Power on/off key inputs.
Up and down key inputs.
Power.
TRIAC and SCR trigger output.
Drive LCD backlight.
No connection.
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PT0356-1 07/06/12
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PT8A3361/62/63/64
NTC+LCD Heating Controller
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Maximum Ratings
StorageTemperature...................................................................................-55oC to +150oC
SupplyVoltage to Ground Potential(Input & VDD Only)........................-0.5Vto +6.5V
SupplyVoltage to Ground Potential(Output s Only)...............................-0.5Vto +6.5V
DC Input Voltage .............................................................................................-0.5Vto +6.5V
Input/Output Current................................................................... 50mA
Input/Output Current (Pin VDD only) ...................................... 200mA
Power Dissipation.........................................................................................................500mW
Note:
Stresses greater than those listed under MAXIMUM
RATINGS may cause permanent damage to the
device. This is a stress rating only and functional
operation of the device at these or any other
conditions above those indicated in the operational
sections of this specification is not implied.
Exposure to absolute maximum rating conditions
for extended periods may affect reliability.
Recommended operation conditions
Sym Parameter
VDD Operating Voltage
TA Operating temperature
Min Typ Max Unit
4.0 - VZ V
-20 - 85 °C
Electrical Characteristics (VDD = 4.0~Vz, TA = -20 ~ 85ºC, unless otherwise noted)
DC Input Characteristics
Symbol Description
Test Conditions
Step
Step 0
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
Step 7
Step 8
Step 9
Step 10
Step 11
Step 12
Step 13
VNTC-
ADC
Voltage of
ADC
Pin:NTC1
VDD=4.5V
Step 14
Step 15
Step 16
Step 17
Step 18
Step 19
Step 20
Step 21
Step 22
Step 23
Step 24
Step 25
Step 26
Step 27
Step 28
Step 29
Step 30
Step 31
To be continued
12-07-0006
Temp(ºC)
25
50
75
90
100
105
110
115
120
125
130
135
140
145
150
155
160
165
170
175
180
185
190
195
200
205
210
215
220
225
230
234
Min
0.08
0.2375
0.575
0.8675
1.089
1.2163
1.33
1.45
1.5875
1.70
1.81
1.93
2.05
2.17
2.25
2.3525
2.43
2.52
2.60
2.645
2.72
2.79
2.8450
2.89
2.94
2.98
3.0133
3.0472
3.08
3.116
3.138
3.16
Type
0.09
0.2475
0.585
0.8775
1.099
1.2263
1.34
1.46
1.5975
1.71
1.82
1.94
2.06
2.16
2.26
2.35
2.44
2.53
2.61
2.655
2.73
2.80
2.8550
2.9
2.95
2.99
3.0233
3.0572
3.09
3.126
3.148
3.17
3
Max
0.1
0.2575
0.595
0.8875
1.109
1.2363
1.35
1.47
1.6075
1.72
1.83
1.95
2.07
2.17
2.27
2.3725
2.45
2.54
2.62
2.665
2.74
2.81
2.8650
2.91
2.96
3.0
3.0333
3.0672
3.1
3.136
3.158
3.18
Unit
V
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NTC+LCD Heating Controller
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Continued
Symbol Description
IIH
Input high
current
IIL
Input low
current
Test Conditions
Pin:K1
Pin: C/F,
VIN = VDD, VCLK=GND
VIN = VDD, VCLK=VDD
SEL2,
SEL1
VIN = VDD
Pin: K2 VIN = VDD
Pin: CLK
Pin:NTC1
Pin:NTC2
VIN = VDD
VIN = VDD
VIN =VDD ,Output High
impedance
Pin:K1
VIN = GND, VCLK =-1V
VIN = GND, VCLK =1V
Pin: C/F VIN = GND
Pin:K2
SEL1,
SEL2
VIN = GND
Pin: CLK
Pin:NTC1
VIN = GND
VIN =-0.35V
VIN = GND
Pin:NTC2
VIN = GND, Output High
impedance
Min Type
--
--
--
--
--
--
--
--
--
--
--
--
--
--
-10 -
Max
60
5
5
80
1
100
100
-5
-60
-50
-5
-5
-10
-100
-100
Unit
A
A
A
A
nA
nA
A
A
A
A
A
nA
nA
DC Output Electrical Characteristics
Symbol Description
Test Conditions
IOH
Output High
Current
Pin: GATE
Pin: BL1, BL2, BL3
IOL
Output Low
Current
Pin: GATE
Pin: BL
VLCD
Output High
Voltage
Pin:COM1,COM2, COM3, COM4,
SEG1, SEG2, SEG3, SEG4,
SEG,5,SEG6,
VDD = 4.5V
VOUT = 2.5V
VDD =4.5V
VOUT =4.0V
VDD = 4.5V
VOUT =0.5V
VDD =4.5V
VOUT =0.5V
Min Type Max Unit
-15 -
-3.0 -
-
mA
-
4.0 -
4.0 -
-
mA
-
Level3
Level2
Level1
VDD =
4.5V
0.54VDD 0.6VDD 0.66VDD
0.36VDD 0.4VDD 0.44VDD
0.18VDD 0.2VDD 0.22VDD
Power Supply Characteristics
Symbol
Description
VPOR
IDD
VDD
VZ
TPOoff
Voltage of POR
Current consumption
Supply voltage
Voltage of Zener
Power off timer
Test Conditions
-
No loading, V DD =4.5V
Control function normal
IDD=1mA ~20mA
FCLK= 50Hz/60Hz
Min
Type
Max
Unit
2 - 3V
- - 800 A
4.0 - VZ V
4.5 5.0 5.5 V
55 60 65 Minute
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NTC+LCD Heating Controller
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Line Clock Synchronization Characteristics
Symbol
Description
Test Conditions
Level2
VT_CLK
Input Threshold
Voltage of CLK Pin
VTL_Level1
VTH_Level1
VTL_Level1
VTH_Level1
VTL_Level2
VTL_Level2
VTL_Level2
VTL_Level2
VDD =4.5V
VT_Level2 is high
VDD =4.5V
VT_Level2 is low
VDD =4.5V
VT_Level2 is high
VDD =4.5V
VT_Level2 is high
FCLK Frequency of CLK
-
Min
1.7
-200
-100
-125
-40
105
210
70
145
-
Type
1.88
-250
-150
-175
-90
145
250
90
185
50/60
Max
2.1
-300
-200
-225
-140
185
290
110
225
-
Unit
V
mV
Hz
GATE Pulse Characteristics
Symbol
Description
Tal_Gate
Width of Gate trigger
pulse
Test Conditions
TA=25 ºC, VDD = 4.5V
VDD = 4.0 ~ Vz
TA = -20 ~ 85ºC
Min
Type
Max
Unit
291 300 309 s
285 - 315 s
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