AN1723

Application information

Doc ID 9553 Rev 4

5/24

2

Application information

In Figure 4 the demonstration board application circuit is shown, where the input supply

Figure 4.

Demonstration board application circuit

Table 2.

Component list

Reference

Part number

Description

Manufacturer

C1

10 µF, 25 V

Tokin

C2

POSCAP 6TPB330M

330 µF, 6.3 V

Sanyo

C3

C1206C221J5GAC

220 pF, 5%, 50 V

KEMET

C4

C1206C223K5RAC

22 nF, 10%, 50 V

KEMET

R1

5.6 k

Ω, 1%, 0.1 W 0603

Neohm

R2

3.3 k

Ω, 1%, 0.1 W 0603

Neohm

R3

4. 7 k

Ω, 1%, 0.1 W 0603

Neohm

D1

STPS2L25U

2 A, 25 V

ST

L1

DO3316P-153

15 µH, 3 A

Coilcraft

D03IN1454

8

4

5

1

7

L5973AD

C1

10µF

25V

CERAMIC

C2

330µF

6.3V

VOUT=3.3V

VIN = 4.4V to 25V

R1

5.6K

R2

3.3K

R3

4.7K

C4

22nF

C3

220pF

3

L1 15µH

D1

STPS2L25U

COMP

VCC

OUT

FB

GND

INH

2

6

3.3V

SYNC.

VREF

AM11312v1