AN1695 - APPLICATION NOTE

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3 - Evaluation board description

The TSM108 evaluation board is easily adaptable to a wide range of output power. Several options are

available on the board for the power semiconductor packages. Figure 4 shows the electrical connections

of all the components available on the Evaluation Board printed circuit board.

Figure 6 : Evaluation Board complete schematic

Figure 7 : Evaluation board top layer silk screen and bottom layer overview

13

12

9

11

10

8

14

7

2

4

5

1

3

VS

ICTRL

ICOMP

VCOMP

VREF

VCTRL

GND

6

G

VCC

!STBY

UV

OV

OSC

GD

TSM108

Vin

Vout

L1

U1

Q4-B

Q4-A

R7

R6

C3

C2

C4

C14

R8

R9

R10

C10

C1

C5

R1

R2

R3

R4

C16 C17

C9

C8

R22

R20

R16

R21

R12

R17

R18

R19

R23

C11

C13

L

Q1

Q3

D1

Q2

R13

C12

R15

R11

VRES1

C15

R14

C6

C7