Datasheet > CAT4004A_11

CAT4004A_11

更新时间： 2022-02-26 12:43:03

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
11页	165K
描述
Constant Current LED Driver

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数据手册

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CAT4004A_11 数据手册

CAT4002A, CAT4004A

MARKING DIAGRAMS

BGA

VLYM

VJA

UDFN8 (2 x 2 mm)

TSOT23−6

SC70−6

BG = CAT4004A Device Code

VL = CAT4002A Device Code

VJ = CAT4002A Device Code

= Assembly Location Code

= Production Year (last digit)

= Production Month: 1 − 9, A, B, C

= Production Year (last digit)

= Production Month: 1 − 9, A, B, C

= Assembly Location Code

Table 1. ABSOLUTE MAXIMUM RATINGS

Parameter

Rating

Unit

VIN, LEDx, RSET

EN/DIM Voltage

Storage Temperature Range

Junction Temperature Range

Lead Temperature

−65 to +160

−40 to +125

300

°C

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the

Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect

device reliability.

Table 2. ELECTRICAL OPERATING CHARACTERISTICS (Min and Max values are over recommended operating conditions

unless specified otherwise. Typical values are at V = 4.0 V, EN/DIM = High, and T

= 25°C.)

AMB

Symbol

Name

Conditions

Min

Typ

Max

Units

Quiescent Current

Shutdown Current

No load, RSET = Float

No load, RSET = 4.8 kW

0.2

0.5

= 0 V

EN/DIM

QSHDN

LED Current Setting

RSET = 3.0 kW

RSET = 4.99 kW

LED

LED Current Accuracy

1 mA ≤ I

≤ 40 mA

LED−ACC

LED

LED Channel Matching (Note 1)

−5

* I

LED−DEV

LED

LEDAVG

RSET pin regulated voltage

0.57

0.6

0.63

RSET

Dropout Voltage

(90% of nominal LED current)

= 20 mA

= 1 mA

DOUT

LED

EN/DIM Pin

− Internal pull−down resistor

− Logic High Level

− Logic Low Level

200

EN/DIM

1.3

0.4

Thermal Shutdown

150

°C

HYS

Thermal Hysteresis

Undervoltage lockout (UVLO) threshold

2.0

UVLO

1. For CAT4004A, I

For CAT4002A, I

= (I

+ I

LED,CH2

+ I

LED,CH2

+ I

+ I ) / 4

LED,CH4

LEDAVG

LED,CH1

LED,CH3

) / 2

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