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ALED7709ATR Datasheet(PDF) 7 Page - STMicroelectronics

Part # ALED7709ATR
Description  Automotive LED driver 4-channel 200 mA with a DC-DC converter controller
PDF  63 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ALED7709ATR Datasheet(HTML) 7 Page - STMicroelectronics

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Figure 4. Example of simplified SAM application in SEPIC topology
Table 3. Typical main components for standalone SEPIC application
Symbol
Value
Description
Note
CIN
10 µF
GCM32EC7YA106KA03 – Input
capacitor
Murata
RSENSE
0.082 Ω
Input sense resistor
1 W
L1a
15 µH
MSD1260H-153ME – Coupled
inductor
Coilcraft
L1b
15 µH
CCONV
4.7 µF
GRT32ER71H475KE01 - SEPIC
capacitor
Murata
Q1
STS8N6LF6AG
NMOS
ST
D1
STPS3L40-Y
Diode
ST
COUT
2 x 10 µF
GCM32EC71H106KA03 - Output
capacitor
Murata
CLDO
1 uF
LDOs capacitor
One for each LDO pin
RISET
5.83 kΩ
IOUT setting
175 mA
RFSW
62 KΩ
Converter oscillator resistor
400 KHz
LED
4 x KW KW DMLS33.SG
LEDs
OSRAM
ALED7709
Typical application circuits
DS14214 - Rev 1
page 7/63



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