STCF03ITBR datasheet(8/33 Pages) STMICROELECTRONICS

No de pièce	STCF03ITBR

Description	High power white LED driver with I2CTM interface

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Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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Pin configuration

STCF03I

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3

Pin configuration

Figure 2.

Pin connections (bottom view)

Table 2. Pin description

Pin n°

Symbol

Description

E1,D2

VLX2

Inductor connection

B3

RX

Rx resistor connection

D1,C2

VOUT

Output voltage

A4

NTC

NTC resistor connection

B5

FB1

Feedback pin [ILED*(RFL+RTR)]

A5

FB2

RTR bypass

B4

FB2S

Feedback pin [ILED*RFL]

E2

GND

Signal ground

C5

TMSK

TX mask input.

D5

AUXL

Auxiliary LED output

D4

ADD

I2C address selection

A3

VBAT

Supply voltage

B1,C1

PVBAT

Power supply voltage

A2

VLX1A

Inductor connection

A1,B2

VLX1B

Inductor connection

E4

ATN

Attention (open drain output, active LOW)

E3

SDA

I2C data

C3,D3

PGND

Power ground

E5

SCL

I2C clock signal

C4

TRIG

Flash trigger input

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