ZXSC400
Li - Ion to 6 LED converter
90
30
25
20
15
10
5
6 White LEDs
6 White LEDs
ILED=20mA
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
Q1
D1
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
40V NPN
FMMT619
Ze te x
ZHCS 1000
Ze te x
1A S ch o ttky d io d e
1m m h e ig h t p ro file
1206 / 0805 s ize
0603 s ize
22H
47m ⍀
15⍀
CMD4D11-220MC
LR1206 / RL1220
Ge n e ric
S u m id a
IRC / Cyn te c
Ge n e ric
Mu ra ta
Mu ra ta
Nich ia
R1
R2
C1
2.2F/6V3
2.2F/25V
GRM S e rie s
GRM S e rie s
NS CW215
0805 s ize
C2
1206 s ize
LED
Wh ite S MT LED
ISSUE 1 - J ANUARY 2003
13