U2102B
| Model | U2102B |
| Description | Multifunction Timer |
| PDF file | Total 16 pages (File size: 206K) |
| Chip Manufacturer | TEMIC |
U2102B
68 k
W
+Vs
15
47
m
F/25 V
C1
14
IGBT
RG
Load
1 k
W
2
Push pull
Ramp
Voltage
limitation
R2
Reverse
Phase
+
4
–
12
Control
GND
13
100
W
Temp
monitoring
1 M
W
10 nF
C3
22 k
W
820 k
W
3
R3
Rsh
100k
W
5
RC oscillator
Divider
Control
VRef
Stat. ZVS
logic
6
+ VS 2 stage / out
GND
0.02xVRef
Control
CRef
Voltage
monitoring
Current monitoring
+
–
Buffer
120 ms
Clock
Test logic
Clock
POR
–
+
1
m
F
C2
220 nF
Q Q
R S
1 k
W
500 mV
11
1 nF
100 mV
VRef
+ VS
2 stage
GND
Figure 2. Block diagram with typical circuit for dc loads
Enable
0.1/0.4/
0.5 x VRef
0.55 x VRef + 0.2 V
9
7
Enable
Test mode
Buffer
(spike-
filter)
10
V
Ref
+
8
–
Trigger window
+
–
0.45 x VRef – 0.2 x V9
Trigger
signal
Window
adjustment
9
NTC
X
230 V
2 (16)
94 8220 e
R1
Vmains
33 k
W
/ 2 W
VRef
Synchronization
Clock
Clock
generator
16
1
TELEFUNKEN Semiconductors
Rev. A1, 30-May-96
