General circuit description

AN2811

10/25

Doc ID 14904 Rev 1

Name

Value

Rated

Type

R2

6.8 k

Ω

1%

Resistor [0603]

R3

100 k

Ω

1%

Resistor [0603]

R4

56 k

Ω

1%

Resistor [0603]

R5

10 k

Ω

1%

Resistor [0603]

R6

10

Ω

1%

Resistor [0603]

R7

82 k

Ω

1%

Resistor [0603]

R8

3 k

Ω

1%

Resistor [0603]

R9, R12

1.2

Ω

1%

Resistor [1206]

R10

3.3 k

Ω

1%

Resistor [0603]

R11

24 k

Ω

1%

Resistor [0603]

R13

2.7 k

Ω

1%

Resistor [0603]

R14

1 M

Ω

1%

Resistor [0603]

T_EE10/11_TDK

1 mH

TDK flyback transformer

U1

VIPER17HN

Offline high voltage

converter

STMicroelectronics [DIP-7]

U2

TSM103W

Dual OP and voltage

reference

STMicroelectronics [SO-8]

1.

T1, the transformer design, is shown in Section 3.4 on page 11. Table 3 gives the basic electrical

characteristics, Figure 8 shows the winding structure, and Figure 9 illustrates the bobbin outline.

Table 2.

Bill of material (continued)