CAT3604V datasheet(3/14 Pages) ONSEMI

Part #	CAT3604V

Description	4-Channel Quad-Mode LED Driver with Open/Short LED Detection

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Manufacturer	ONSEMI [ON Semiconductor]

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CAT3604V

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Table 3. ELECTRICAL OPERATING CHARACTERISTICS

(over recommended operating conditions unless specified otherwise) VIN = 3.6 V, EN = High, TAMB = 25°C.

Symbol

Name

Conditions

Min

Typ

Max

Units

IQ

Quiescent Current

1x mode, no load

1.33x mode, no load

1.5x mode, no load

2x mode, no load

1.0

1.7

2.2

2.4

mA

IQSHDN

Shutdown Current

VEN = 0 V

1

mA

ILED−ACC

LED Current Accuracy

ILEDAVG / ILEDAVG−NOMINAL

±2

%

ILED−DEV

LED Channel Matching

(ILED − ILEDAVG) / ILEDAVG

±1.5

%

ILED

Programmed LED Current

RSET = 34.0 kW

RSET = 5.23 kW

RSET = 2.67 kW

2.4

15

30

mA

VRSET

RSET Regulated Voltage

0.58

0.6

0.62

V

ROUT

Output Resistance (open loop)

1x mode

1.33x mode, VIN = 3 V

1.5x mode, VIN = 2.7 V

2x mode, VIN = 2.4 V

0.8

5

10

W

FOSC

Charge Pump Frequency

1.33x and 2x mode

1.5x mode

0.8

1

1.3

1.6

MHz

ISC_MAX

Output short circuit Current Limit

VOUT < 0.5 V

50

mA

IIN_MAX

Input Current Limit

VOUT > 1 V

250

mA

LEDTH

1x to 1.33x, 1.33x to 1.5x or 1.5x to 2x

Transition Thresholds at any LED pin

130

mV

VHYS

1x Mode Transition Hysteresis

400

mV

REN

VHI

VLO

EN Pin

− Internal Pull−down Resistor

− Logic High Level

− Logic Low Level

1.3

100

0.4

kW

V

TSD

Thermal Shutdown

150

°C

THYS

Thermal Hysteresis

20

°C

VUVLO

Undervoltage lockout (UVLO) threshold

1.6

1.8

2.0

V

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