NCP5680 데이터 시트보기 (PDF) - ON Semiconductor

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NCP5680

High Efficiency White LED Driver

ON Semiconductor 

TRIGFL

SCL

SDA

Thermal

ShutDown

DIGITAL

CONTROL

I2C Interface

and Address

Decoding

TIMER

CHARGE

PUMP

PHOTO

SENSE

NCP5680

System

Configuration

Register

CONFIG

ICON−Mode

TORCH Mode

FLASH Mode

CHECK Mode

OVER LOAD

CHECK Mode

Indicator Register

I−LED#1

ICON

10

5mA − 20mA

ICON−Mode

Torch register

I−LED#1 & 2

TILED

TILED

20mA − 100mA

GND

Vds1

Power Flash Register

I−LED#1

FILED1

Power Flash Register

Pulse Width

WLED1

Power Flash Register

Flash delay DLYLED1

Power Flash Register

I−LED#2

FILED2

Power Flash Register

Pulse Width WLED2

Power Flash Register

Flash delay DLYLED3

TORCH Mode

+

GND

12

Vgs1

FLASH Mode

TIME−OUT

Iout Control 11 Is1

OVER LOAD

CHECK Mode

TILED

20mA − 100mA

9 Vds2

TORCH Mode

FLASH Mode

TIME−OUT

GND

8

Iout Control 7

Vgs2

Is2

Figure 3. Simplified NCP5680 Concept

http://onsemi.com

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