STLD40D

Typical application

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Typical application

Figure 14. Application circuit

Table 4.

External component proposal (see Figure 14)

The external components proposal should be considered as a design reference guide.The performances mentioned in the electrical

characteristics table are not guaranteed for all the possible electrical parameters of the components included in this list. On an other

hand the operation of STLD40D is not limited with the use of components included in this list

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

D

Boost schottky diode

VRRM

40

V

0.5

V

30

µA

Feedback LED current regulation

resistor

8

Ω

Current peak setting resistor

12

100

k

Ω

Input filtering capacitor

Ceramic Type

2.2

µF

Output capacitance: ceramic low

ESR

Capacitance

4.7

µF

Voltage

35

V

ESR

1.6

Ω

L

Boost inductor (height < 2mm)

Inductance

4.7

µH

DCR

1

Ω

1A