Datasheet > CAT4016_08

CAT4016_08

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
CATALYST		驱动器
页数	文件大小	规格书
15页	225K
描述
16-Channel Constant Current LED Driver

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CAT4016_08 数据手册

CAT4016

16-Channel Constant Current LED Driver

FEATURES

DESCRIPTION

16 Constant current-sink channels

Serial interface up to 25MHz clock frequency

3V to 5.5V logic supply

The CAT4016 is a 16 channel constant current driver

for LED billboard and other general display

applications. LED channel currents are programmed

together via an external RSET resistor. Low output

voltage operation on the LED channels as low as 0.4V

(for 2 to 100mA LED current) allows for more power

efficient designs.

LED current range from 2mA to 100mA

LED current set by external RSET resistor

300mV LED dropout at 30mA

Thermal shutdown protection

A high-speed 4-wire serial interface of up to 25MHz

clock frequency controls each individual channel using

a shift register and latch configuration. A serial output

data pin (SOUT) allows multiple devices to be

cascaded and programmed via one serial interface.

The device also includes a blanking control pin

(BLANK) that can be used to disable all channels

independently of the interface.

Available in RoHS-compliant 24-lead SOIC,

TSSOP, QSOP, and 4 x 4mm TQFN packages

APPLICATION

Billboard Display

Marquee Display

Instrument Display

General Purpose Display

Thermal shutdown protection is incorporated in the

device to disable the LED outputs if the die

temperature exceeds a set limit.

For Ordering Information details, see page 14.

The device is available in the 24-lead SOIC, TSSOP,

QSOP and the compact TQFN 4 x 4mm packages.

TYPICAL APPLICATION CIRCUIT

VIN

3V to

5.5V

20mA

1µF

VDD

LED1 LED2

LED16

BLANK

LATCH

SIN

to next

device

CAT4016

SOUT

RSET

CLK

3kΩ

GND

Characteristics subject to change without notice

Doc. No. MD-5028 Rev. C

12 3 4 5 6 7...15

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