CAT3606

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3

Table 2. ABSOLUTE MAXIMUM RATINGS

Parameter

Rating

Unit

VIN, VOUT, LEDx voltage

−0.3 to 7.0

V

EN, ENM, ENS voltage

−0.3 to VIN

V

RSET voltage

−0.3 to VIN

V

RSET current

±1

mA

Ambient Temperature Range

−40 to +85

_C

Storage Temperature Range

−65 to +160

_C

Lead Temperature

300

_C

ESD Rating HBM (Human Body Model)

2,000

V

ESD Rating MM (Machine Model) (Note 4)

200

V

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.

4. Machine model is with 200 pF capacitor discharged directly into each pin.

Table 3. RECOMMENDED OPERATING CONDITIONS

Parameter

Range

Unit

VIN

3.0 to 5.5

V

Ambient Temperature Range

−40 to +85

_C

Input/Output/Bucket Capacitors

1 ±20% Typical

mF

0 to 30

mA

0 to 150

mA

Table 4. ELECTRICAL OPERATING CHARACTERISTICS

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Quiescent Current

1x Mode, No Load

1.5x Mode, No Load

0.1

0.3

2.6

1

1

5

mA

mA

mA

RSET Regulated Voltage

1.17

1.2

1.23

V

Programmed LED Current

2.4

15.0

30.0

mA

LED Current Range with 6 LEDs

3.3 ≤ VIN ≤ 4.5 V

3.0 ≤ VIN ≤ 4.5 V

30

20

mA

LED Current Range with 4 LEDs

3.3 ≤ VIN ≤ 4.5 V

30

mA

LED Current Accuracy

±15

±5

%

LED Channel Matching

±3

%

Output Resistance

(Open Loop)

1x Mode,

1.4

6.5

2.5

10

W

Charge Pump Frequency

0.8

1.0

1.3

MHz

1x to 1.5x Mode Transition Dropout Delay

0.4

0.6

0.9

ms

Input Leakage Current

On Inputs EN, ENM, ENS

1

mA

High Detect Threshold

Low Detect Threshold

On Inputs EN, ENM, ENS

0.4

0.8

0.7

1.3

V

Input Current Limit

VOUT = GND

30

45

60

mA

Maximum Input Current

VOUT > 1 V

200

400

600

mA