NCP5680 データシートの表示（PDF） - ON Semiconductor

部品番号

コンポーネント説明

一致するリスト

NCP5680

High Efficiency White LED Driver

ON Semiconductor 

NCP5680

+Vbat

GND C4 AUXILIARIES

GND

TRIG

SCL

SDA

C1

10uF

0.22uF C2 C3 0.22uF

100uF

C2N C2P

23 22 21 20

24

C1N C1P

PVbat

Vout

IsSCH

5 TRIGFL VgsSCH

3 SCL

SCAP

Vbias

19

17

16

15

14

4 SDA

Vds1 10

0.5R

R1

NTGS3433

Q4

2

C5 +

3−

1

GND

D1

PHOTO SENSE

Q1

R2 100k

GND

GND

1 VSD

2 PHSEN

6 NTC

Vgs1 12

Is1 11

Vds2 9

NTC

13 AGND

Vgs2 8

GND

18

PGND U1 Is2

NCP5680

7

NTLJS4114 Q2 PWF3

R4 GND

0.10R

D2

NTLJS4114 Q3 PWF3

R5

0.10R

GND

Figure 1. Typical Dual White LED Driver

Vbat

C1N C1P C2N C2P

23

22

21

20

24

CHARGE PUMP

GND

19

18

GND

Vout

PGND

R4 0.50 R

GND

TRIGFL 5

SCL 3

SDA 4

R3 NTC 6

DIGITAL &

ANALOG

I2C

CONTROL

VSD 1

Vreg I2C Cntl

Isp

17

Re−charge

OVLD1

OVLD2

Current 16

Control

15

GND R

R

14

Vbat

SuperCAP Bias

10mA − 150mA

IsSC

SuperCAP

Icharge Control

VgsSC

Q7

SCAP

Vbias

2

3 + C1

− 0.5 Farad

1

GND

D1

PHOTO

2

PHSEN

R5

AGND

13

GND

OVLD1

WLED1

DLYLED1

FILED1

GND

OVER

LOAD

Vds1

10

Iout Control 12 Vgs1

+−

Is1

11

Vbat

10mA − 150mA

LED#1

Time Out

WLED# = Flash Duration

DLYLED# = Flash Delay

FILED# = LED Peak Current

OVLD2

WLED2

DLYLED2

FILED2

GND

OVER

LOAD 9

8

Iout Control

+−

7

Vds2

Vgs2

Is2

LED#2

Figure 2. Simplified Block Diagram

http://onsemi.com

2

Share Link: