U2102B-MFPG3 Atmel, U2102B-MFPG3 Datasheet - Page 10

• Manufacturer Part Number: U2102B-MFPG3
• Description: IC TIMER MULTI IGBT/MOSF 16-SOIC
• Manufacturer: Atmel
• Type: Timer Controlr

Specifications of U2102B-MFPG3

• Frequency - Max: 50Hz
• Operating Temperature: -10°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Frequency-max: 50Hz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply: -
• Output: -
• Input: -

9. RC Oscillator
10
U2102B
Figure 8-1.
Figure 8-2.
An internal RC oscillator with following divider stage 1:2
tracking time.
The RC values for a certain tracking time, t
In reverse phase control mode, switchover from maximum current flow angle to the value set at
pin 4 takes place after expiry of 3/4 of the total tracking time t
R
C
2
2
(k
(µF)
=
=
-------------------------------------------------- -
1.4
------------------------------------------------- -
1.4
Trigger Condition Pin 7
Trigger Condition Pin 8
t
2048 R
t
2048 C
t
t
(s)10
(s)10
3
3
0.5
2
2
0.1/0.4
(k
(µF)
0.5
V
V
Ref
V
Ref
8
0
V
V
V
V
Ref
7
Ref
Ref
0
0.05
0.05
t
, are calculated as follows:
V
V
Ref
Ref
+ 0.2
+ 0.2
Hysteresis
OFF
ON
V
V
11
9
9
ON
ON
permits a very long and reproducible
OFF
t
.
4767B–INDCO–10/05