U211B-MFPG3Y Atmel, U211B-MFPG3Y Datasheet - Page 23

• Manufacturer Part Number: U211B-MFPG3Y
• Description: IC PHASE CONTROL TACHO 16SOIC
• Manufacturer: Atmel

Specifications of U211B-MFPG3Y

• Applications: AC Motor Controller
• Number Of Outputs: 1
• Current - Output: 7.5mA
• Voltage - Supply: 14.6 V ~ 16.6 V
• Operating Temperature: -10°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Load: -
• Lead Free Status / Rohs Status: Compliant

4752B–INDCO–09/05
230V
Figure 10-19. Speed Control, Automatic Retriggering, Load Switch-down, Soft Start
N
The maximum load regulation shows in principle the same speed dependency as the original
version (see
turned to
formed by T
6.8V (reference point pin 16). The potential at pin 15 is lifted and kept by R
operating threshold whereby the maximum load regulation starts and adjusts the control unit
constantly to
in operation by produceing a buzzing sound.
L
R8 = 3 x 11 m /
~
R10
2.2 k
47 k
BZX55
R16
max
M
1
1W
Figure 10-17 on page
, adjustable with R
1N4004
T1
and T
max
D1
(I
C1
O
33 k
+
R15
2
), inspite of a reduced load current. The motor shows that the circuit is still
which ignites as soon as the voltage at pin 15 reaches approximately
T2
R1
18 k
1.5W
22 µF
25V
220 k
470 k
470 k
R14
10 k
R3
R4
R9
180
R12
18
1
2
. Then, only I
+
21). When reaching the maximum load, the control unit is
17
2
C11
2.2 µF
GND -VS
16
3
C9
+
15
O
4
flows. This function is effected by the thyristor,
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
14
C7
C6
+
over the internal
C10
U211B
+
Set speed
voltage
250 k
R7
15 k
47 k
2.2 µF
10V
R31
R13
23