Diodes ZXSC380 - Manual (Page 3)

ZXSC380
Issue 3 - September 2007 3 www.zetex.com
© Zetex Semiconductors plc 2007
Typical characteristics
LED Current vs Supply Voltage for L = 100uH
0
10
20
30
40
50
60
70
80
0.5 1 1.5 2 2.5 3
Supply Voltage Vvcc (V)
LE
D
C
ur
re
nt
, ILe
d
(
m
A
)
Ivcc vs Supply Voltage for L = 100uH
0
10
20
30
40
50
60
70
80
90
100
0.5 1 1.5 2 2.5 3
Supply Voltage Vvcc (V)
Ivcc (
m
A
)
Efficiency vs Supply Voltgae for L = 100uH
0
10
20
30
40
50
60
70
80
90
100
0.5 1 1.5 2 2.5 3
Supply Voltage Vvcc (V)
Effi
c
ie
n
c
y
(%
)
Operating Waveforms
Channel 1 (lower): LED current ILed. 50mA/div.
Channel 2 (upper): Voltage at Vout pin. 1V/div