Schematic diagram

STOD13CM

4/25

024087 Rev 1

1

Schematic diagram

Figure 1.

Application schematic

Note:

All the above components refer to typical application performance characteristics. Operation

of the device is not limited to the choice of these external components. Inductor values

ranging from 3.3 µH to 6.8 µH can be used.

Table 2.

Typical external components

Comp.

Manufacturer

Part number

Value

Size

Ratings

(1)

Coilcraft

Murata

TOKO

LPS4012-472ML

LQH3NPN4R7MM0

1239AS-H-4R7N

4.7 µH

4.0 x 4.0 x 1.2

3.0 x 3.0 x 1.5

2.5 x 2.0 x 1.2

± 20%, I = 1.7 A, R = 0.175

Ω

± 20%, I = 1.25 A, R = 0.13

Ω

± 30%, I = 1.3 A, R = 0.24

Ω

(2)

Coilcraft

Murata

TOKO

LPS4012-472ML

LQH3NPN4R7MM0

1277AS-H-4R7N

4.7 µH

4.0 x 4.0 x 1.2

3.0 x 3.0 x 1.5

3.2 x 2.5 x 1.2

± 20%, I = 1.7 A, R = 0.175

Ω

± 20%, I = 1.25 A, R = 0.13

Ω

± 30%, I = 1.4 A, R = 0.2

Ω

Murata

AVX/Kyocera

GRM219R61A106KE44

TV21X5R106K10AT095

2x10 µF

0805

±10%, X5R, 10 V

Murata

AVX/Kyocera

GRM219R61A106KE44

TV21X5R106K10AT095

10 µF

0805

±10%, X5R, 10 V

Murata

AVX/Kyocera

GRM219R61A106KE44

TV21X5R106K10AT095

2x10 µF

0805

±10%, X5R, 10 V

Murata

GRM185R60J105KE26

1 µF

0603

±10%, X5R, 6.3 V

1.

250 mA load can be provided with inductor saturation current at a minimum of 0.9 A.

2.

At - 4.4 V, 250 mA load can be provided with inductor saturation current at a minimum of 1.5 A. See note in

Section 6.1.1:

Inductor selection