Datasheet
CAT3637
http://onsemi.com
2
Figure 1. Typical Application Circuit
GND
2.5 V
to
5.5 V
LED1
LED2
LED3
LED4
LED5
LED6
EN/SET
CAT3637
VIN VOUT
1 mF
C1+C1− C2+C2−
1 mF
1 mF
1−Wire
Programming
C
OUT
V
OUT
1 mF
V
IN
C
IN
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameter Rating Unit
VIN, LEDx, C1±, C2± voltage 6 V
VOUT Voltage 7 V
EN/SET Voltage VIN + 0.7 V V
Storage Temperature Range −65 to +160
_C
Junction Temperature Range (Note 2) −40 to +150
_C
Lead Temperature 300
_C
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 2.5 to 5.5 V
Ambient Temperature Range (Note 2) −40 to +85
_C
I
LED
per LED pin 0 to 30 mA
Total Output Current 0 to 180 mA
2. Package thermal resistance is below 50°C/W when mounted on FR4 board.