sc441c Semtech Corporation, sc441c Datasheet - Page 7

• Manufacturer Part Number: sc441c
• Description: High Efficiency Integrated Driver For 4-strings Of 150ma Leds
• Manufacturer: Semtech Corporation

Typical Characteristics (continued)
© 2010 Semtech Corporation
Condition: VIN = 12V, VOUT = 34.5V / 10mA x 4 strings
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9
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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
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10
9
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5
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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
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SC441C
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