YB1303 datasheet(3/8 Pages) YOBON

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YB1303

Low Dropout LED Driver

YB1303 Rev.1.0

www.yobon.com.tw

Absolute Maximum Ratings

LED1, LED2, LED3 to GND ........ -0.3V to 6V

EN to GND.................................. -0.3V to 6V

CTR to GND ............................... -0.3V to 3V

Power Dissipation by SC70-6 TA=85℃........133mW

Junction Temperature Range...............150℃

Storage Temperature Range .....-55℃ to 150℃

Lead Temperature................................250℃

ESD HBM .......................................... 1.5KV

ESD CDM ...........................................750V

Recommended Operating Conditions

LED Cathode Voltage ................. 0.3V to1V

Operating Temperature.........-40℃ to 85℃

Electrical Characteristics

Table 3

(VIN=3.3 to 5.5V, VEN=3V, TA=25°C, unless otherwise noted. VF is LED forward voltage.)

Description

Symbol

Test Conditions

MIN

TYP

MAX

Units

LED Cathode Voltage

VCATHODE

0.3

0.5

Output Current Multiplication

Factor

ISET = 100μA,

VLED = 300mV

140

200

260

Shutdown Current

ISD

VEN = 0V

0.1

μA

LED Current

ILED

ISET = 100μA

LED to LED Current Matching

-3

Efficiency

VIN =3.3V,

(VIN – VCATHODE) / VIN

SHDN Logic Low Level

VIL

ILED < 1μA

0.5

SHDN Logic High Level

VIH

ISET = 100μA

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