Typical application circuit

STLD41

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Doc ID 022283 Rev 5

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Typical application circuit

Figure 3.

Application circuit schematic

Note:

The above listed components refer to a typical application with a maximum performance

setting. Operation of the STLD41 is not limited to the choice of these external components.

Table 5.

List of external components

Component

Manufacturer

Part number

Value

Size

Murata

GRM32ER71H106K

10 µF / 50 V

3.2 x 2.5 x 2.5 mm

Murata

GRM31CR61H225KA88L

2.2 µF / 50 V

3.2 x 1.6 x 1.6 mm

L

Murata

LQH6PPN470M43

47 µH / 1.25 A

6 x 6 x 4.3 mm

Coilcraft

LPS6235-473MLB

47 µH / 1.2 A

6 x 6 x 3.5 mm

Tyco Electronics

1.3

Ω

0603 size

Schottky diode

STMicroelectronics

STPS1L40M

1 A / 40 V

3.75 x 1 x 1.9 mm

LED

OSRAM

LWL283-Q1R2-3K8L-1-Z

20 mA / 3.1 V

0603