U2010B
C
1
22 F
Mode
m
A
B
C
S
1
GND
96 11647
10
9
B
Auto–
start
a
max
C
I
max
Reference
voltage
Supply
voltage
11
LED
V
S
Programmable
overload
protection
70%
D
3
8
High load
Voltage
monitoring
100%
12
Soft
start
7
C
2
4.7 F
m
13
+
6
Overload
threshold
Set point
P
1
50 k
C
7
1 F
R
11
1M
A
m
100 k
Load current
compensation
BYT51K
Overload
W
Mains voltage
compensation
Full wave
rectifier
Output
2
C
5
0.1 F
1
m
0.15
m
F
D
1
C
4
W
W
W
–
5
R
8
470 k
14
Phase
control unit
= f (V
4
)
W
/2 W
a
max
Level
shift
R
1
4
18 k
Voltage
detector
15
ö
R
2
330 k
W
Automatic
retriggering
Limiting
detector
Current
detector
Load
current
detector
2
W
$
250 mV
16
1
W
^
V
(R6)
=
3.3 k
Load
230 V ~
TIC
226
Figure 2. Block diagram with external circuit
General Description
Mains Supply
The U2010B contains voltage limiting and can be
connected with the mains supply via D
1
and R
1
. Supply
voltage
between Pin 10 and Pin 11
is smoothed
by C
1
.
*
*
In the case of V
6
(70% of overload threshold voltage),
Pins 11 and 12 are connected internally whereby
V
T70
,
the supply current
V
sat
1.2 V. When
V
6
flows across D
3
.
v
v
地址: 南京市珠江路
88
号，新世界中心
B
座
4004
室, 邮编:210008
ADD.: RM. 4004,
BLOCK B,
NEW WORLD CENTRE,
电话(TEL.):
(86)-25-68853600
NANJING 210008,
CHINA
NO. 88 ZHUJIANG ROAD,
R
6
w
传真(FAX):
(86)-25-68853600-810
WEB-SITE: WWW.HN-ELEC.COM
2
3.3 k
R
3
R
4
180
R
5
W
10 nF
3
C
3
R
10
R
7
8.2 k
W
HN [ NANJING HONANO ELECTRONIC CO., LTD. ]
