NCP5608 ON Semiconductor, NCP5608 Datasheet - Page 13

• Manufacturer Part Number: NCP5608
• Description: Multiple LED Charge Pump Driver
• Manufacturer: ON Semiconductor

+V
−2
−4
−6
MCU
GND
6
4
2
0
CC
0
Figure 12. Power Flash Output Current Tolerance
4.7 mF/16 V
C6
50
GND
Z1
5.6 k
R1
100
6.2 k
R3
25°C
GND
5.6 k
150
R2
(LED5 to LED8)
6.2 k
R4
Vbat = 4.2 V
GND
200
Iout (mA)
IREFBK
IREFFL
250
21
17
16
13
20
6
5
4
3
2
1
300
C1P
C2P
CIN
CCMP
SCL
SDA
IREFFL
AGND
PGND
C2N
IREFBK
350
Figure 14. Typical Application
NCP5608
1 mF/16 V
400
http://onsemi.com
C3
U1
NCP5608
450
13
VOUT
AVbat
PVbat
LED1
LED2
LED3
LED4
LED5
LED6
LED7
LED8
24
19
18
10
12
14
15
11
7
8
9
TYPICAL OPERATING WAVEFORMS
Figure 13. Typical Powerup Response
LED1
LED2
LED3
LED4
LED5
LED6
LED7
LED8
Vbat
VOUT
4.7 mF/16 V
C5
D5
GND
D3
D1
D7
LWG6SG
LWG6SG
LWY87S
LWY87S D4
GND
4.7 mF/16 V
D6
D8
D2
C4
LWY87S
LWG6SG
LWG6SG
LWY87S
VOUT
TP2