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NCP5623C
Triple Output I 2 C Controlled
RGB LED Driver
The NCP5623C mixed analog circuit is a triple output LED driver
dedicated to the RGB illumination or backlight LCD display.
The built ? in DC/DC converter is based on a high efficient charge
pump structure with operating mode 1x and 2x. It provides a 94% peak
efficiency. The tiny package makes the device suitable for room
limited portable applications.
http://onsemi.com
LLGA12
Features
MU SUFFIX
CASE 513AA
1
(Top View)
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2.7 to 5.5 V Input Voltage Range
RGB Function Fully Supported
Programmable Integrated Gradual Dimming
90 mA Output Current Capability
94% Peak Efficiency
Built ? in Short Circuit Protection
Provides Three Independent LED Drives
Support I 2 C Protocol
Embedded OVP / Open Load Protection
This is a Pb ? Free Device
GND
LED3
LED2
LED1
AGND
PIN ASSIGNMENT
2 C1P C1N 11
1
EXPAD
6 7
Vbat
VOUT
SCL
IREF
SDA
Typical Applications
? Multicolor Illuminations
? Portable Back Light
? Digital Cellular Phone Camera Photo Flash
? LCD and Key Board Simultaneous Drive
MARKING DIAGRAM
1
GUM G
G
GU = Specific Device Code
M = Date Code
11
8
Vbat
+Vcc
MCU
I2C Port
GND
+Vbat
1 m F/6.3 V
C1
GND
SDA 7
SCL 9
6
GND R1
62 k
GND
C3
220 nF
1 12
C1P C1N
Vout
LED3
SDA
SCL LED2
AGND
LED1
IREF GND
NCP5623C
U1
10
3
4
5
2
C2
1 m F/10 V
D3
D2
D1
GND
GND
G = Pb ? Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
Device Package Shipping ?
NCP5623CMUTBG LLGA12 3000/Tape & Reel
(Pb ? Free)
?For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
Figure 1. Typical Multiple White LED Driver
? Semiconductor Components Industries, LLC, 2011
July, 2011 ? Rev. 1
1
Publication Order Number:
NCP5623C/D
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