參數(shù)資料
型號: STCF03
廠商: 意法半導(dǎo)體
元件分類: LED驅(qū)動器
英文描述: High power white LED driver with I2C⑩ interface
中文描述: 大功率白光LED驅(qū)動器具有I2C⑩接口
文件頁數(shù): 8/35頁
文件大?。?/td> 455K
代理商: STCF03
Pin configuration
STCF03
8/35
3
Pin configuration
Figure 2.
Pin connections (bottom view)
TFBGA25 (3x3)
QFN20 (3x3)
Table 2.
Pin description
Pin n° for
QFN20
Pin n° for
TFBGA25
Symbol
Name and function
1
E1, D2
VLX2
Inductor connection
2
B3
RX
Rx resistor connection
3
A4
NTC
NTC resistor connection
4
D1, C2
VOUT
Output voltage
5
B5
FB1
Feedback pin [I
LED
*(R
FL
+R
TR
)]
6
A5
FB2
R
TR
bypass
7
B4
FB2S
Feedback sensing pin [I
LED
*R
FL
]
8
E2
GND
Signal ground
9
D4
ADD
I
2
C address selection
10
D5
AUXL
Auxiliary LED output
11
C5
TMSK
TX mask input.
12
B1, C1
PVBAT
Power supply voltage
13
A3
VBAT
Supply voltage
14
A2
VLX1A
Inductor connection
15
A1, B2
VLX1B
Inductor connection
16
E5
SCL
I
2
C clock signal
17
E3
SDA
I
2
C data
18
C3, D3
PGND
Power ground
19
E4
ATN
Attention (open drain output, active LOW)
20
C4
TRIG
Flash trigger input
Exposed pad
PGND
To be connected to the PCB ground plane for optimal electrical and
thermal performance.
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