UM0422

Schematic and bill of materials

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5

Schematic and bill of materials

5.1

Schematic

Figure 4.

Schematic - power section

This subcircuit is present on the evaluation board only if the LED is mounted (see the

highlighted blue box in Figure 4).

Figure 5.

Schematic - PWM oscillator

R4 10k

R3 6.8k

R2

18k

R1 18k

+

3

-

2

OUT

1

U2A

TS3702

2

R9

Pot 10k

1

3

R8 Pot 1MEG

R7 10k

R6

330

R5

1.8k

5V

0

0

5V

C1 22nF

0

+

5

-

6

OUT

7

U2B

TS3702

0

R10 220k

5V

0

VCC

C8

100nF

0

C9

100nF

0

PWM