CAT3603

http://onsemi.com

2

Figure 1. Typical Application Circuit

GND

VIN

3 V

to

5.5 V

20 mA

23.7 kW

LED1

LED2

LED3

RSET

EN

CAT3603

VOUT

VOUT

1 mF

CIN

C1−

C1+

C2−

C2+

1 mF

COUT

Note: Unused LED channels must be connected to VOUT.

OFF ON

1 mF1 mF

Table 1. ABSOLUTE MAXIMUM RATINGS

Parameter

Rating

Unit

VIN, VOUT, LEDx voltage

−0.3 to 7.0

V

EN voltage

−0.3 to VIN

V

RSET voltage

−0.3 to VIN

V

Junction Temperature Range

−40 to +150

_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)

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.

Table 2. RECOMMENDED OPERATING CONDITIONS

Parameter

Range

Unit

VIN

3 to 5.5

V

Ambient Temperature Range

−40 to +85

_C

Input, Output, Bucket Capacitors

1 ±20% typical

mF

0 to 30

mA

1. Typical application circuit with external components is shown above.