MP3304 MPS, MP3304 Datasheet - Page 9

• Manufacturer Part Number: MP3304
• Description: The Future Of Analog Ic Technology
• Manufacturer: MPS

GND
MP3304 Rev. 0.91
4/19/2010
Bias
VIN
TYPICAL APPLICATION CIRCUITS
5V
EN
Figure 4 — Driving 30 WLEDs (3 WLEDs in Series and 10 Strings Paralleled) with 5V Input Voltage
Figure 5 — Driving 27 WLEDs (9 WLEDs in Series and 3 Strings Paralleled) with 5V Input Voltage
Dimming
Enable/
Control
MP3304 –36V, 1.3A, STEP-UP WHITE LED DRIVER WITH HIGH FREQUENCY TRUE PWM DIMMING
C1
4.7uF
16V
V
5V
IN
10uF
C1
R2
C2
4.7uF
16V
0
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
NS
C4
JP1
EN
GND
IN
100
R1
0.1uF
MP3304C
C3
ISET
2uH
L1
© 2010 MPS. All Rights Reserved.
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LED
SW
EN
GND
MP3304A
IN
B0530
3
D1
4.7uH
LED1
LED2
LED3
PGND
L1
U1
2
String 1
SW
ISET
LED
1
B0540
6
7
3.32
D1
...
1%
R3
String 10
NS
R4
LED28
LED29
LED30
C5
0.47uF
50V
C2
2.2uF
LED+
LED-
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