CAT3626

Doc. No. MD-5014 Rev. D

2

© Catalyst Semiconductor, Inc.

Characteristics subject to change without notice

ABSOLUTE MAXIMUM RATINGS

Parameters

Ratings

Units

VIN, LEDxx voltage

6

V

VOUT, C1±, C2± voltage

7

V

EN, SDA, SCL voltage

VIN + 0.7V

V

Storage Temperature Range

-65 to +160

ºC

Junction Temperature Range

-40 to +150

ºC

Lead Temperature

300

ºC

RECOMMENDED OPERATING CONDITIONS

Parameter

Range

Units

VIN

3 to 5.5

V

Ambient Temperature Range

-40 to +85

ºC

LED forward voltage

Up to 4.2

V

0 to 32

mA

Typical application circuit with external components is shown on page 1.

ELECTRICAL OPERATING CHARACTERISTICS

otherwise)

Symbol

Parameter

Test Conditions

Min

Typ

Max

Units

Quiescent Current

1x mode, all LEDs Off

1x mode, all LEDs On

1.5x mode, all LEDs Off

0.5

2.2

3.5

mA

mA

mA

Shutdown Current

0

1

µA

LED Current Range with 6 LEDs

0

32

mA

LED Current Accuracy

±3

%

LED Channel Matching

±3

%

Output Resistance (open loop)

0.5

2.8

Ω

Ω

Charge Pump Frequency

0.8

1

1.3

MHz

Output short circuit Current Limit

60

mA

Input Current Limit

300

mA

EN Pin

- Input Leakage

- Logic High Level

- Logic Low Level

-1

1.3

1

0.4

µA

V

V

I

- High Level Input Voltage

- Low Level Input Voltage

V

V

Thermal Shutdown

165

ºC

Thermal Hysteresis

20

ºC

Under-voltage lock out (UVLO)

threshold

2

V