AN4007 datasheet(4/33 Pages) STMICROELECTRONICS

4 / 33 page

Test board: design and evaluation

AN4007

4/33

Doc ID 022455 Rev 2

Test board: design and evaluation

Table 1 summarizes the electrical specifications of the power supply, Table 2 provides the

bom list and

Table 3 lists the transformer characteristics. The electrical schematic is shown

Figure 1 and the PCB layout in Figure 4.

Table 1.

VIPER37LE power supply: electrical specifications

Parameter

Min.

Typ.

Max.

AC main input voltage

85 VAC

265 VAC

Mains frequency (fL)

50 Hz

60 Hz

Output voltage

4.75 V

5 V

5.25 V

Output current

3 A

Output ripple voltage

50 mV

Rated output power

15 W

Input power in standby

30 mW

Active mode efficiency

70%

Ambient operating temperature

60 °C

Table 2.

VIPER37LE demonstration board: bom list

Reference

Part

Description

Note

2.2 M

1% tolerance

3.9 M

1% tolerance

2 M

1% tolerance

150 k

1% tolerance

3.3

330

220

12 k

120 k

1% tolerance

R10

10 k

R11

33 k

1% tolerance

R12

33 k

1% tolerance

R13

47 k

R14

39 k

1% tolerance

220 pF - 630 V film capacitor

33 µF - 400 V electrolytic

C3, C4

ZLK series

1200 µF - 16 V electrolytic

Rubycon

AN4007 Datasheet(PDF) 4 Page - STMicroelectronics

AN4007 Datasheet(HTML) 4 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33

Datasheet Download

Link URL