ZXSC400
REFERENCE DESIGNS
Li - Ion to 2 LED converter
100
30
25
20
15
10
5
2 White LEDs
2 White LEDs
LED=20mA
I
90
80
70
60
0
2.5
3.0
3.5
4.0
2.5
3.0
3.5
4.0
Input voltage (V)
Input Voltage (V)
Input Voltage vs Efficiency
Input Voltage vs LED Current
Bill of Materials
Re f
U1
U2
L1
Va lu e
Pa rt Nu m b e r
ZXS C400
Ma n u fa ct u re
Ze te x
Co m m e n t s
LED d rive r IC
NPN + S ch o ttky d u a l
1m m h e ig h t p ro file
1206 / 0805 s ize
0603 s ize
ZX3CDBS 1M832
CMD4D11-100MC
LR1206 / RL1220
Ge n e ric
Ze te x
10H
100m ⍀
15⍀
S u m id a
IRC / Cyn te c
Ge n e ric
Mu ra ta
R1
R2
C1
2.2F/6V3
2.2F/16V
GRM S e rie s
GRM S e rie s
NS CW215
0805 s ize
C2
Mu ra ta
1206 s ize
LED
Nich ia
Wh ite S MT LED
ISSUE 1 - J ANUARY 2003
10
DIODES [ DIODES INCORPORATED ]
