sc441c Semtech Corporation, sc441c Datasheet - Page 8

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

© 2010 Semtech Corporation
Typical Characteristics (continued)
VOUT
Accoupling
(200mV/DIV)
VSW
(20V/DIV)
VSW
(20V/DIV)
VOUT
(20V/DIV)
VIN
(10V/DIV)
VSS
(2V/DIV)
Output = 36V / 150mA x 4 LED strings
Output = 30V / 150mA x 4 LED strings
Main Power Switching Waveform
Conditions: VIN = 12V,
Conditions: VIN = 19V,
Time (1uS/DIV)
Time (20mS/DIV)
Start up
VOUT
Accoupling
(100mV/DIV)
VSW
(10V/DIV)
VOUT
(20V/DIV)
VSW
(20V/DIV)
VIN
(5V/DIV)
VSS
(2V/DIV)
Output = 27V / 20mA x 4 LED strings
Output = 27V / 20mA x 4 LED strings
Main Power Switching Waveform
Conditions: VIN = 12V,
Conditions: VIN = 12V,
Time (400nS/DIV)
Time (200mS/DIV)
Shut Down
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SC441C
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