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SC441AEVB Arkusz danych(PDF) 9 Page - Semtech Corporation

Numer części SC441AEVB
Szczegółowy opis  High Efficiency Integrated Driver for 4-Strings of 150mA LEDs
PDF  20 Pages
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Producent  SEMTECH [Semtech Corporation]
Strona internetowa  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC441AEVB Arkusz danych(HTML) 9 Page - Semtech Corporation

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SC441A
9
© 2009 Semtech Corporation
www.semtech.com
Typical Characteristics (continued)
OTP and OTP Recovery
VIN = 12V
VOUT
(20V/DIV)
VSS
(2V/DIV)
VSW
(20V/DIV)
Conditions: VIN = 12V,
Output = 36V / 150mA x 4 LED strings
Time (40mS/DIV)
LED Short Circuit Protection
VIN
(10V/DIV)
IO2
(1V/DIV)
VOUT
(20V/DIV)
IO1
(5V/DIV)
Conditions: VIN = 12V, IO1 has one LED short circuit,
Output = 36V / 150mA x 4 LED strings
Time (10mS/DIV)
LED Open Circuit Protection
VIN
(5V/DIV)
IO2
(1V/DIV)
VOUT
(20V/DIV)
IO1
(10V/DIV)
Conditions: VIN = 12V, IO2 LED String is open circuit,
Output = 36V / 150mA x 3 LED strings
Time (10mS/DIV)
Conditions: VIN = 12V,
Output = 36V / 50mA x 4 LED strings
Time (10mS/DIV)
VIN = 12V
IO1
(5V/DIV)
PWM
(2V/DIV)
SW
(20V/DIV)
PWM Dimming



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