SC4541EVB-2 データシートの表示（PDF） - Semtech Corporation
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SC4541EVB-2
Semtech Corporation
SC4541EVB-2 Datasheet PDF : 19 Pages
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SC4541
Typical Characteristics (continued)
Over Voltage Protection Conditions: 5VIN, 20mA ,6 LEDs in series, CIN/COUT=1µF, L=10µH
Over Voltage Protection
PTeWstMconDdiitmionm: 5iVning, L(E0D.1s=%6Sd1Pu, tRy1=c1y0Ωcl,e)
Test condition: 5Vin, LEDs=6S1P, R1=10Ω, SC4541(1120)
300HzSPCW45M4D1(im11m2i0n)g,,P0W.1%MDDuitmy mCyicnleg 300Hz, 0.1% duty.
VIN
(3V/div)
VIN
VOUT
(5V/div)
IL
(0.4A/div)
VOUT
IL
VOUT
(5V/div)
IL
(0.3A/div)
VSW
(10V/div)
VSW
(10V/div)
Time (0.1mS/div)
TPeWst cMonDditiimonm: 5Vining, L(E5D0s=%6Sd1Pu, tRy1=c1y0Ωcl,e)
300HSz CPW45M41D(i1m1m20in)g,, P50W%MDuDtiymCmycilneg 300Hz, 50% duty.
VEN
SW
(3V/div)
PWM Dimming
Time (0.5mS/div)
VOUT
(5V/div)
VOUT
IL
(0.3A/div)
IL
PWM
VOUT
IL
SW
EN
VSW
(10V/div)
SW
VEN
(3V/div)
Time (2mS/div)
EN
8
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