STCF05 Datasheet, PDF(10/33 Page) STMicroelectronics – High power white LED driver with I²C interface

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STCF05 Datasheet, PDF (10/33 Pages) STMicroelectronics – High power white LED driver with I²C interface

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Application

Figure 3. Application schematic

STCF05

**: Connect to VI, or GND or SDA or SCL to choose one of the 4 different IÂ²C slave addresses.

***: Optional components to support auxiliary functions. Vref = 1.8 V.

Table 5. List of external components

Component

Manufacturer

Part number

Value

Size

NTC

LED

TDK

Murata

RÎ©

Luxeon LED

C1608X5R0J106M

C1608X5R1A105M

VLF4014A-1R0N2R2 (1)

VLS252012T-1R0N1R7 (2)

NCP21WF104J03RA

MCR01MZPJ15K

2 x LXCL-PWF1

10 ÂµF

1 ÂµF

1 ÂµH

100 kÎ©

15 kÎ©

0603

3.7 x 3.5 x 1.2 [mm]

2.5 x 2 x 1.2 [mm]

0805

0402

0805

1. Inductor type is recommended for high efficiency operation 85 % typ. at 400 mA output current.

2. This inductor type is recommended for the minimum app. area with typ. efficiency of the operation 77 % at 400 mA output

current

Note:

Above listed components refer to typical application. Operation of the STCF05 is not limited

to the choice of these external components.

10/33

Doc ID 15257 Rev 4

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