DocID022745 Rev 9

3/25

STBB2

Application schematic

1

Application schematic

Figure 1. Application schematic for fixed version

Figure 2. Application schematic for adjustable version

Note:

All the above components refer to a typical application. Operation of the device is not limited

to the choice of these external components.

Table 2. Typical external components

Component

Manufacturer

Part number

Value

Size

C1

Murata

GRM188R60J106M

10 µF

0603

TDK-EPC

C1608X5R0J106M

C2

Murata

GRM188R61C105K

1 µF

0603

C3, C4

Murata

GRM188R60J106M

10 µF

0603

TDK-EPC

C1608X5R0J106M

1.

Inductor used for the maximum power capability. Optimized choice can be made according to the

application conditions (see Section 8).

Murata

LQH3NPN1R0NM0

1.0 µH

3 x 3 x 1.4 mm

Coilcraft

LPS3015-102ML

3.0 x 3.0 x 1.5 mm

TDK-EPC

VLS252010ET1R0N

2.5 x 2 x 1 mm

R1

Depending on the output voltage, 0

Ω for fixed output version

R2

Depending on the output voltage, not used for fixed output

version

FB

VOUT

SW2

SW1

VIN

VINA

L1

PGND

GND

BP

EN

MODE

VSEL

VINA1

VBAT

C3

C4

C1

C2

FB

VOUT

SW2

SW1

VIN

VINA

L1

PGND

GND

BP

EN

VSEL

MODE

VINA1

VBAT

C1

C2

R1

R2

C4

C3