Datasheet > ALED7709

ALED7709

更新时间： 2023-12-20 18:44:29

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
64页	11048K
描述
Automotive LED driver 4-channel 200 mA with a DC-DC controller

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ALED7709 数据手册

ALED7709

Typical application circuits

Figure 3. Example of boost topology application with I²C and PWMI control

Table 2. Typical main components for boost application

Symbol

Value

Description

Note

GCJ32EC71H106KA01L- Input

capacitor

2 x 10 µF

Murata

0.039 Ω

STD40P8F6AG

STPS1H100

15 µH

Input sense resistor

2 W

SENSE

PMOS

Diode

XGL1010-153 - inductor

NMOS

Coilcraft

STL8N10LF3

STPS2L60-Y

Diode

GRT31CR61H106KE01L - Output

capacitor

OUT

4 x 10 µF

Murata

1 µF

6.8 kΩ

LDOs capacitor

One for each LDO pin

150 mA

LDO

setting

OUT

ISET

62 KΩ

Converter oscillator resistor

NTC resistor

400 KHz

FSW

NCG18XH103F0SRB

1.8 KΩ

Murata

T1 = 65 °C

1.1 KΩ

NTC working range setting

LEDs

T2 = 125 °C

2.0 KΩ

LED

4 x 10 x KW DPLS34.KD

OSRAM

DS14214 - Rev 4

page 6/64

1...3 4 567 8 9...64

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