Schematic

STOD13AS

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Doc ID 022733 Rev 1

1

Schematic

Figure 1.

Application schematic

Note:

All the above components refer to the 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 together with the STOD13AS.

STOD13AS

VO2

LX1

VINA

S-WIRE

EN

VREF

VMID

CMID

CO2

LX2

VINP

CIN

CREF

LX2

PGND

AGND

VBAT

FD

LX1

AM10459v1

S-WIRE

EN

FD

Table 2.

Typical external components

Comp.

Manufacturer

Part number

Value

Size

Ratings

(1)

CoilCraft

Murata

LPS4012-472ML

LQH3NPN4R7MM0

4.7µH

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

4.7µH

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

Taiyo YudeN

GRM219R61A106KE44

LMK212BJ106KD-T

2 x 10µF

0805

±10%, X5R, 10V

±10%, X5R, 10V

Murata

Taiyo YudeN

GRM219R61A106KE44

LMK212BJ106KD-T

10µF

0805

0805

±10%, X5R, 10V

±10%, X5R, 10V

Murata

Taiyo YudeN

GRM219R61A106KE44

LMK212BJ106KD-T

2 x 10µF

0805

0805

±10%, X5R, 10V

±10%, X5R, 10V

Murata

Taiyo YudeN

GRM185R60J105KE26

JMK107BJ105KK-T

1µF

0603

0603

±10%, X5R, 6.3V

±10%, X5R, 6.3V

1.

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

2.

At -6.4 V, a 250 mA load can be provided with inductor saturation current as a minimum of 1.5 A. See

Section 7.1.1.