CAT4008Y-T2 datasheet(3/13 Pages) ONSEMI

No. de pieza	CAT4008Y-T2

Descripción Electrónicos	8-Channel Constant Current LED Driver

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Table 3. ELECTRICAL OPERATING CHARACTERISTICS

(VDD = 5.0 V, TAMB = 25°C, over recommended operating conditions unless specified otherwise.)

Symbol

Name

Conditions

Min

Typ

Max

Units

DC CHARACTERISTICS

ILED−ACC

LED Current (any channel)

VLED = 1 V, RSET = 3.08 kW

18

20

22

mA

VLED = 1 V, RSET = 1.54 kW

36

40

44

VLED = 1 V, RSET = 769 W

80

ILED−MAT

LED Current Matching

(ILED − ILEDAVR) / ILEDAVR

VLED = 1 V, RSET = 3.08 kW

±1.5

%

VLED = 1 V, RSET = 1.54 kW

−6.0

±1.5

+6.0

VLED = 1 V, RSET = 769 W

±2.0

ΔIVDD

LED current regulation vs. VDD

VDD within 4.5 V and 5.5 V

LED current 30 mA

±0.1

% / V

ΔIVLED

LED current regulation vs. VLED

VLED within 1 V and 3 V

LED current 30 mA

±0.05

% / V

IDDOFF

Supply Current (all outputs off)

RSET = 3.08 kW

2

8

mA

RSET = 769 W

5.5

IDDON

Supply Current (all outputs on)

RSET = 3.08 kW

2.5

9

mA

RSET = 769 W

6.2

ILKG

LEDn output Leakage

VLED = 5 V, outputs off

−1

1

mA

RLATCH

LATCH Pull−down Resistance

100

180

300

kW

RBLANK

BLANK Pull−up Resistance

100

180

300

kW

VIH

VIL

Logic high input voltage

Logic low input voltage

0.7xVDD

0.3xVDD

V

VHYS

Logic input hysteresis voltage

0.1xVDD

V

IIL

Logic Input leakage current

(CLK, SIN)

VI = VDD or GND

−5

0

5

mA

VOH

VOL

SOUT logic high output voltage

SOUT logic low output voltage

IOH = −1 mA

IOL = 1 mA

VCC−0.3 V

0.3

V

VRSET

RSET Regulated Voltage

BLANK high, outputs off

1.17

1.20

1.23

V

TSD

Thermal Shutdown

160

°C

THYST

Thermal Hysteresis

20

°C

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