CAV4109 datasheet(3/10 Pages) ONSEMI

Part #	CAV4109

Description	3-Channel Constant-Current RGB LED Driver

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Manufacturer	ONSEMI [ON Semiconductor]

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CAT4109, CAV4109

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Table 3. ELECTRICAL OPERATING CHARACTERISTICS (Min and Max values are over recommended operating conditions

unless specified otherwise. Typical values are at VDD = 5.0 V, TAMB = 25°C.)

Symbol

Name

Conditions

Min

Typ

Max

Units

DC CHARACTERISTICS

IDD1

Supply Current Outputs Off

VLED = 5 V, RSET = 24.9 kW

2

5

mA

IDD2

Supply Current Outputs Off

VLED = 5 V, RSET = 5.23 kW

4

10

mA

IDD3

Supply Current Outputs On

VLED = 0.5 V, RSET = 24.9 kW

2

5

mA

IDD4

Supply Current Outputs On

VLED = 0.5 V, RSET = 5.23 kW

4

10

mA

ISHDN

Shutdown Current

VOE = 0 V

1

mA

ILKG

LED Output Leakage

VLED = 5 V, Outputs Off

−1

1

mA

ROE

OE Pull−down Resistance

140

190

250

kW

VOE_IH

VOE_IL

OE Logic High Level

OE Logic Low Level

1.3

0.4

V

VPWM_IH

VPWM_IL

PWMx Logic High Level

PWMx Logic Low Level

0.7 x VDD

0.3 x VDD

V

IIL

Logic Input Leakage Current (PWMx)

VPWMx = VDD or GND

−5

0

5

mA

VRSETx

RSETx Regulated Voltage

1.17

1.2

1.23

V

TSD

Thermal Shutdown

150

°C

THYS

Thermal Hysteresis

20

°C

ILED/IRSET

RSET to LED Current Gain Ratio

100 mA LED Current

400

VUVLO

Undervoltage Lockout (UVLO)

Threshold

1.8

V

Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product

performance may not be indicated by the Electrical Characteristics if operated under different conditions.

Table 4. RECOMMENDED TIMING (Min and Max values are over recommended operating conditions unless specified otherwise.

Typical values are at VDD = 5.0 V, TAMB = 25°C.)

Symbol

Name

Conditions

Min

Typ

Max

Units

tPS

Turn−On time, OE rising to ILED from Shutdown

ILED = 100 mA

1.4

ms

tP1

Turn−On time, OE or PWMx rising to ILED

ILED = 100 mA

600

ns

tP2

Turn−Off time, OE or PWMx falling to ILED

ILED = 100 mA

300

ns

tR

LED rise time

ILED = 100 mA

300

ns

tF

LED fall time

ILED = 100 mA

300

ns

tLO

OE low time

1

ms

tHI

OE high time

5

ms

tPWRDWN

OE low time to shutdown delay

4

8

ms

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