cat3604a ON Semiconductor, cat3604a Datasheet - Page 8

• Manufacturer Part Number: cat3604a
• Description: Cat3604a 4-channel Regulated Charge Pump White Led Driver
• Manufacturer: ON Semiconductor

100mA/
Current
Current
50mV/
10mA/
50mV/
VOUT
2V/div
VOUT
2V/div
100
Input
Input
10
div
EN
VIN
1
div
div
div
10
Figure 15. Switching Waveforms in 1.5x Mode
Figure 17. Power Up 4 LEDs at 15 mA,
AC coupled
AC coupled
AC coupled
Figure 19. LED Current vs. R
(V
IN
= 3.6 V, EN = V
Vin = 3 V (1.5x Mode)
500 nsec/div
500 msec/div
RSET (kW)
100
IN
, C
IN
= C
TYPICAL CHARACTERISTICS
OUT
SET
= 1 mF, R
http://onsemi.com
1000
SET
LED Current
3.6V to 4.9V
AC coupled
100mA/div
= 24 kW, T
8
50mV/div
10mA/div
50mV/div
5mA/div
Current
Current
VOUT
2V/div
VOUT
2V/div
1V/div
VOUT
2V/div
Input
Input
VIN
EN
Vin
AMB
AC coupled
AC coupled
Figure 16. Operating Waveforms in 1x Mode
AC coupled
= 25°C, unless otherwise specified.)
Figure 18. Power Up 4 LEDs at 15 mA,
Figure 20. Line Transient Response
Vin = 3.6 V (1x Mode)
in 1x Mode
500 nsec/div
500 msec/div
200 msec/div