U211B-MY71 Atmel, U211B-MY71 Datasheet - Page 22

• Manufacturer Part Number: U211B-MY71
• Description: RF Wireless Misc Phase Sw/Control w/ Tacho overld limit
• Manufacturer: Atmel
• Type: Phase Control ICsr

Specifications of U211B-MY71

• Supply Voltage (max): 9.2 V
• Supply Voltage (min): 8.6 V
• Operating Temperature Range: - 10 C to + 100 C
• Package / Case: DIP-18
• Mounting Style: Through Hole
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

22
U211B
230V
Figure 10-18. Speed Control, Automatic Retriggering, Load Switch-off, Soft Start
N
The switch-off level at maximum load shows in principle the same speed dependency as the
original version (see
motor is switched off completely. This function is effected by the thyristor (formed by T
T
The circuit is thereby switched to standby mode over the release Pin 18.
L
2
) which ignites when the voltage at pin 15 reaches typically 7.4V (reference point pin 16).
R8 = 3 x 11 m /
~
R10
2.2 k
47 k
BZX55
R16
M
1W
1N4004
T1
R15
47 k
D1
C1
+
2.2 µF
Figure 10-17 on page
C11
R1
18 k
1.5W
T2
22 µF
25V
220 k
470 k
R3
R4
+
180
470 k
R12
18
1
R9
R14
10 k
17
2
GND -VS
16
3
C9
21), but when reaching the maximum load, the
+
15
4
U211B
4.7 µF
10V
2.2 µF
14
5
10V
1 M
R2
13
6
2.2 nF
+
C3
R
C2
C8
12
7
C
220 nF
t
Speed sensor
1 M
R11
11
8
R5
1 k
10
9
2.2 µF/10V
R6
100 k
220 nF
100 nF
C4
C5
680 pF
C7
C6
+
4752B–INDCO–09/05
C10
+
Set speed
voltage
250 k
R7
15 k
47 k
2.2 µF
10V
R31
R13
1
and