sc441c Semtech Corporation, sc441c Datasheet - Page 7
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sc441c
Manufacturer Part Number
sc441c
Description
High Efficiency Integrated Driver For 4-strings Of 150ma Leds
Manufacturer
Semtech Corporation
Datasheet
1.SC441C.pdf
(20 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
sc441cTETRT
Manufacturer:
BROADCOM
Quantity:
1 450
Typical Characteristics (continued)
© 2010 Semtech Corporation
Condition: VIN = 12V, VOUT = 34.5V / 10mA x 4 strings
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15
14
13
12
11
10
9
8
7
PWM Dimming Minimum Pulse Width
0.1
vs. PWM Dimming Frequency
0.2
PWM Dimming Frequency (kHz)
0.5
1
2
10mA
10mA
5
10
20
30
40
50
Condition: VIN = 12V, VOUT = 34.5V / 150mA x 4 strings
11
10
9
8
7
6
5
4
3
2
1
PWM Dimming Minimum Pulse Width
0. 1
vs. PWM Dimming Frequency
PWM Dimming Frequency (kHz)
0. 2
0. 5
1
150mA
2
5
10
20
30
40
50
www.semtech.com
SC441C
7