PT6957 Datasheet, PDF (4/4 Pages) Princeton Technology Corp – 16 Bits Shift Register Latched Constant Current Driver IC

Princeton Technology Corp.
16 Bits Shift Register Latched Constant Current Driver IC
APPLICATION CIRCUIT 2
Tel: [phone]
Fax: [phone]
URL: http://www.princeton.com.tw
PT6957
SOUT
28
PTXXXX
SIN ²
CLK ³
STB ⁴
ENA ²⁵
ENB ²⁵
DQ DQ DQ DQ
CP
CP
CP
CP
LD
Q
LD
Q
LD
Q
LD
Q
DQ
CP
LD
Q
28
VCC
1
DGND
19
PGND
10
PGND
6
Q0
7
Q1
8
Q2
9
Q3
LED
LED
LED
LED
23
Q15
Current
Setting
RC
27
VLED
GND LED
10K
PNP
LED
NPN
INPUT
1K
GND LED
Note: VLED= External Power Supply (Maximum Value=7V)
PT6957 v1.0
4
Updated October 2000