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AN2708 Datasheet(PDF) 39 Page - STMicroelectronics

Part # AN2708
Description  2X36 W digital dimmable ballast with L6574 and ST7FDALI
PDF  42 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2708 Datasheet(HTML) 39 Page - STMicroelectronics

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AN2708
DALI master AC-DC adapter
39/42
5.3.4
Line regulation
For this test the output power is kept at the peak value (2.2 W) while the line voltage is
slowly increased from 85 Vac to 265 Vac. The board has a line regulation of +0.9%.
Figure 37.
Line regulation
5.3.5
Load regulation
As the 5 V output is obtained by a linear regulator, the load regulation measurements have
been performed only on 20 V output by changing its load from 10 mA to full load 100 mA.
The input voltage is kept at the nominal value of 230 Vac.
The board has a load regulation of +0.9%.
Figure 38.
Load regulation
1
3
5
7
9
11
13
15
17
19
21
23
70
80
90
100
110
120
140
160
170
180
190
200
210
220
230
240
250
260
270
290
310
Input Voltage (Vac)
20Vout
5Vout
16
17
18
19
20
21
22
23
24
0
1020304050
60708090
100
110
Output Current (mA)
20V Output



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