PT6726 [PTC]
16-Channel Constant Current Sink for LED Driver;
| 型号： | PT6726 |
| 厂家： | 
PRINCETON TECHNOLOGY CORP |
| 描述： | 16-Channel Constant Current Sink for LED Driver |
| 文件： | 总3页 (文件大小：193K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PT6726
16-Channel Constant Current Sink
for LED Driver
DESCRIPTION
FEATURES
The PT6726 is a 16-channel current sink driver for
LED clusters. It contains a serial buffer and data
latches which convert serial input data into parallel
output format. At output stage, sixteen regulated
current ports are designed to provide uniform and
constant current sinks for driving LEDs. The output
current is determined by an external resistor and the
brightness control code, both set by users. PT6726
can used to control LEDs intensity with output enables
as PWM input function.PT6726 provides users with
great flexibility and performance. Users may adjust
the output current from 5mA to 90mA, which gives
users flexibility in controlling the light intensity of
LEDs. The PT6726 guarantees to endure maximum
17V at the output port.
16-channel constant current sink output
Output current invariant to load voltage change
Serial data in/parallel data out
Constant output current range: 5~90mA@5V
Output current accuracy:
- ICs skew: < ±6% (max.)
- Bits skew: < ±3% (max.)
3~5.5V supply voltage
25 MHz clock frequency
Package: SOP24//QFN24
APPLICATION
LED display/ RGB cluster control
BLOCK DIAGRAM
Tel: 886-2-66296288‧Fax: 886-2-29174598‧ http://www.princeton.com.tw‧2F, No. 233-1, Baociao Rd., Sindian Dist., New Taipei City 23145, Taiwan
PT6726
ORDER INFORMATION
Valid Part Number
PT6726-S
Package Type
24 Pins, SOP
24 Pins, QFN
Top Code
PT6726-S
PT6726-QF
PT6726-QF
PIN CONFIGURATION
PIN DESCRIPTION
Pin No.
Pin Name
Description
SOP
QFN
10
GND
SDI
Ground terminal.
1
2
3
Serial input of data shift register.
23
CLK
Clock input of shift register, data is sampled at the rising edge of CLK.
24
Input terminal of latch enable. Data is latched when /LE is low. And
data on shift register goes through when /LE is high.
/L
E
4
1
OUT[0:15]
/OE
Open-drain, constant-current sinkoutputs.
5~20
21
2~15
20
Output enable signal. Output is enabled when /OE is forced to low.
Output terminal of serial-data output to the SDI of next PT6726.
External resistor terminal for setting up all output current.
Supply voltage terminal.
SDO
22
19
REXT
VDD
23
21
24
22
V1.4
2
February 2019
PT6726
IMPORTANT NOTICE
Princeton Technology Corporation (PTC) reserves the right to make corrections, modifications, enhancements,
improvements, and other changes to its products and to discontinue any product without notice at any time.
PTC cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a PTC product. No
circuit patent licenses are implied.
Princeton Technology Corp.
2F, 233-1, Baociao Road,
Sindian Dist., New Taipei City 23145, Taiwan
Tel : 886-2-66296288
Fax: 886-2-29174598
http://www.princeton.com.tw
V1.4
14
February 2019
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