cat4003b ON Semiconductor, cat4003b Datasheet - Page 6

• Manufacturer Part Number: cat4003b
• Description: Constant Current Programmable Led Driver With 32 Dimming Levels
• Manufacturer: ON Semiconductor

(CAT4003B, V
30
25
20
15
10
5
0
Figure 10. Line Transient Waveform
Figure 6. Dropout Characteristics
0
Figure 8. Power Up Waveform
IN
50
LED PIN VOLTAGE [mV]
= 4 V, V
100
F
= 3.3 V, I
150
200
OUT
0.8mA
25mA
= 75 mA (3 LEDs at 25 mA), C
250
TYPICAL CHARACTERISTICS
300
http://onsemi.com
6
IN
= 1 μF, T
100
90
80
70
60
50
Figure 7. Efficiency vs. Input Voltage
3.0
Figure 9. Power Down Waveform
AMB
Figure 11. Dimming Levels
= 25°C unless otherwise specified.)
3.5
INPUT VOLTAGE [V]
4.0
4.5
5.0