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NCP5623B
Triple Output I 2 C Controlled
RGB LED Driver
The NCP5623B 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
(Top View)
Features
? 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
MU SUFFIX
CASE 513AA
PIN ASSIGNMENT
2 C1P C1N 11
GND 1
LED3
LED2
LED1 EXPAD
AGND
6 7
1
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
GVM G
G
GV = Specific Device Code
M = Date Code
+Vbat
CFLY
G
= Pb ? Free Package
Vbat
+Vcc
MCU
I2C Port
1 m F/6.3 V
C1
GND
SDA
SCL
GND Rset
11
7
9
6
8
220 nF
1 12
C1P C1N
Vout
LED3
SDA
SCL LED2
AGND
LED1
IREF GND
10
3
4
5
2
C2
1 m F/10 V
D3
D2
D1
GND
(Note: Microdot may be in either location)
ORDERING INFORMATION
Device Package Shipping ?
NCP5623BMUTBG 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.
GND
GND
62 k
NCP5623B
U1
GND
Figure 1. Typical Multiple White LED Driver
? Semiconductor Components Industries, LLC, 2011
July, 2011 ? Rev. 2
1
Publication Order Number:
NCP5623B/D
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