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PIN CONNECTION
PIN
SINGLE
1
CTRL
2
+ INPUT
3
- INPUT
4
SYNC
5
TRIM DOWN
6
TRIM
DUAL
CTRL
+ INPUT
- INPUT
SYNC
+ OUTPUT
COMMON
TRIPLE
CTRL
+ INPUT
- INPUT
SYNC
+ AUX
COMMON (AUX)
3.3V / 5V
CTRL
+ INPUT
- INPUT
SYNC
+3.3V
COMMON
7
TRIM UP
-OUTPUT
- AUX
+ 5V
8
+ OUTPUT
TRIM
+ OUTPUT(PRIMARY)
TRIM
9
- OUTPUT
NC
COMMON(PRIMARY)
NC
10
NO PIN
NC
TRIM
NC
1. All dimensions in Inches (mm)
2. Pin pitch tolerance
I0.014(0.35)
10
4
3
2
1
6
7
8
9
5
2.60 (66.0)
0.70 (17.8)
0.60 (15.2)
0.40
(10.2)
0.40
(10.2)
0.40
(10.2)
0.40
(10.2)
0.40
(10.2)
0.50
(12.7)
0.30 (7.6)
0.30 (7.6)
0.40
(10.2)
Bottom
View
0.32
(8.0)
Application of synchronization
1. The unit is capable of external synchronization from an
independent time base with a switching rate between 200kHz
and 215kHz
2. The amplitude of the synchronizing pulse train is TTL
compatible
3. The duty cycle of the CLK should be 20% high and 80% low
4. Synchronization is referenced to negative input (-Vin)
CTRL
+
-
3
2
1
Converter
ON/OFF Control
+ Vin
- Vin
ON/OFF Control application
Sync
+
-
3
2
4
Converter 1
+ Vin
- Vin
+
-
3
2
4
Converter 2
CLK
20%
80%
CLK Signal
2N7000
Sync
Output can be externally trimmed by
using the method shown below.
(
) for dual output trim
[
] for triple output trim
{
} XXD3305 only trim 3.3V/5V
EXTERNAL OUTPUT TRIMMING
7 (7) [9] {6}
6 (8) [10] {8}
TRIM UP
RU
6 (8) [10] {8}
5 (5) [8] {5}
TRIM DOWN
RD
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