T2117 查看數據表（PDF） - Atmel Corporation
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T2117 Datasheet PDF : 16 Pages
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Figure 10-2. Power Switch
L
RL
Load
VM = 230 V ~
N
VDR
270 kΩ
56 Ω
18 kΩ
1.5 W
8
7
6
5
+5 V
T2117
1
2
3
4 56 kΩ
47 µF/
10 V
39 kΩ
II ≥ 1.5 mA
VI
Figure 10-3. Temperature Control 15° C to 35° C with Sensor Monitoring
R8
470 kΩ
NTC
B value = 3988
Rp
R(25)
100 kΩ
R9
150 Ω
220 kΩ
2.2 µF/
10 V
C2
220 kΩ
(250 V~)
D1
R2
(Rsync)
R1
18 kΩ/
2W
R6
100 kΩ
R4
100 kΩ
1
R5(1)
3
4
R7
130 kΩ
2
Ramp
generator
8
Synchronization
5
7
Supply
+
+
Full-wave logic
- Comparator
6
Pulse
amplifier
Reference voltage
1.4 V
T2117
L
Load
1000 W
C1
VM = 230 V~
100 Ω
R3
N
R(25) = 100 kΩ/B = 3988 --> R(15) = 159 kΩ, R(35) = 64.5 kΩ, R5(1) determines the proportional range.
10 T2117
4768B–INDCO–10/05
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