Diodes ZETEX ZXLD1370EV2 User Manual
Issue 2 – July 2010 www.diodes.com
© Diodes Incorporated, 2010
ZXLD1370EV2 BUCK/BOOST LED DRIVER
USER GUIDE
Fig.1 ZXLD1370EV2 Evaluation board connection diagram
8-48V 2A
DC PSU
0-1.5A DC
DVM
BUCK/BOOST
1 - 15 LEDs
1.5A
0V
4.5V
Open Drain output
125mV = 10%
2.5V = 200%
-t°
GND
0 – 4.5V Status steps
Thermal connection
ZXLD1370EV2
Issue 2 – July 2010 www.diodes.com
© Diodes Incorporated 2010
2
Fig2. Schematic diagram
FLAG
ZXLD1370EV2
Issue 2 – July 2010 www.diodes.com
© Diodes Incorporated 2010
3
PARTS LIST
Ref Value Package Part Number Manufacturer Contact Details
U1 LED Driver
Controller
TSSOP16L ZXLD1370 Diodes Zetex www.diodes.com
Q1 60V N-ch
MOSFET
DPAK DMN6068LK3 Diodes Zetex www.diodes.com
Q2 Q3 60V General
Purpose
Mosfet
SOT23 2N7002 Diodes www.diodes.com
D1 Freewheeling
diode 3A
100V
PowerDI5 PDS3100 Diodes www.diodes.com
D2 51V 200mW
Zener Diodes
SOD323 BZT52C51 Diodes www.diodes.com
D3 Freewheeling
diode 3A
100V
PowerDI5 PDS3100 Diodes www.diodes.com
Z1 47V 300mW
Zener Diode
SOT23 BZX84C47 Diodes www.diodes.com
L1 33uH 2.3A MS1246-333MLB
NPIS24H330MTRF
744-7715330
Coilcraft
NIC Comps.
Wurth
www.coilcraft.com
www.niccomp.com
www.we-
online.com
C1 100pF 10V 0805 Generic
C2 C5 C8 1uF 100V
X7R
1206 GRM31CR72A105KA01L Murata www.murata.com
C3 C4 C9
C10
2.2uF 100V
X7R
1812 GRM43ER72A225KA01L Murata www.murata.com
C6 C7 Not fitted
C11 10nF 100V
X7R
0805 Generic
R1 R2 0R3 1206 Generic
R4 1K3 0805 Generic
R7 47K 0805 Generic
R9 120K 1% 0805 Generic
R10 36K 1% 0805 Generic
R3 R5 R6
R8 R11
R12 R14
0R 0805 Generic
R15 2K 0805 Generic
R13 R18 Not fitted
R16 R17
R19
1K 0805 Generic
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