DD313 SITI [Silicon Touch Technology Inc.], DD313 Datasheet - Page 3

• Manufacturer Part Number: DD313
• Description: 3-CHANNEL HIGH CONSTANT CURRENT LED DRIVER with ERROR DETECTION
• Manufacturer: SITI [Silicon Touch Technology Inc.]

Block Diagram
Pin Connection
Pin Description
*1
3-CHANNEL HIGH CONSTANT CURRENT LED DRIVER
SOP16/TSSOP16: 1
SOP16/TSSOP16: 2
SOP16/TSSOP16: 3,4,5
SOP16/TSSOP16: 6,11,13
SOP16/TSSOP16: 7,8,9,10,14,15
SOP16/TSSOP16: 12
SOP16/TSSOP16: 16
Notice that both REXT pins (pin7 and 8, pin9 and 10, pin14 and 15) should be connected in PCB layout.
PIN No.
點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC
新竹市科學園區展業一路 9 號 7 樓之 1
Tel：[phone]
9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C.
Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement.
Fax：[phone]
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PIN NAME
RESERVE
OUTB,G,R
REXTG
REXTR
REXTB
ENR,G,B
ALARM
GND
VCC
*1
*1
*1
.
Power supply terminal.
Ground terminal.
Output open drain terminal: (connected to a pull-high resistor)
Output current enable terminal.
Sink constant current outputs (open-drain).
External resistors connected between REXT and GND
for driver current value setting.
Terminal for testing, user should leave this pin open.
‘
‘
H
L
’
’
means LED open or chip overheated.
means normal conditions,
FUNCTION
Version: A.003
DD313
Page 2