Schematic

STOD13AM

4/25

Doc ID 023747 Rev 1

1

Schematic

Figure 1.

Application schematic

STOD13AM

VO2

LX1

VINA

S-WIRE

EN

VREF

VMID

CMID

CO2

LX2

VINP

CIN

CREF

L2

PGND

AGND

VBAT

FD

L1

AM12788v1

S-WIRE

EN

FD

Table 2.

Typical external components

Comp.

Manufacturer

Part number

Value

Size

Ratings

(1)

CoilCraft

Murata

LPS4012-472ML

LQH3NPN4R7MM0

4.7 µH

4.0 x 4.0 x 1.2

3.0 x 3.0 x 1.5

±20%, I = 1.7A, R = 0.175

Ω

±20%, I = 1.25A, R = 0.13

Ω

(2)

CoilCraft

Murata

LPS4012-472ML

LQH3NPN4R7MM0

4.7 µH

4.0 x 4.0 x 1.2

3.0 x 3.0 x 1.5

±20%, I = 1.7A, R = 0.175

Ω

Ω

Murata

GRM219R61A106KE44

2 x 10 µF

0805

±10%, X5R, 10 V

Murata

GRM219R61A106KE44

10 µF

0805

±10%, X5R, 10 V

Murata

GRM219R61A106KE44

2 x 10 µF

0805

±10%, X5R, 10 V

Murata

GRM185R60J105KE26

1 µF

0603

±10%, X5R, 6.3 V

1.

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

2.

At - 5.4 V, a 250 mA load can be provided with inductor saturation current as a minimum of 1.4 A. See

Section 7.1.1.