Owner's Manual
LDH-25 series
File Name:LDH-25-SPEC 2022-02-18
DC-DC Step-Up Constant Current LED driver
1. IfLDH-25 is powered by a battery, comply with BS EN/EN55015 without additional Input filter and capacitors.
. LDH-25ispowered by DC Bus, additional EMC filter parts shall be added to meet BS EN/EN55015. The recommended circuit is shown in Figure1
Application Notes of EMC
Figure 1: Parameter description
C1
LF1
Electrolytic capacitor 100uF/35V
Common Mode Choke
11.5mH/Ring code(T16×12×8)/wire(0.6mm×1)/50 Turns
(Mn-Zn Ferrite/μi=10000±30%/AL=4600nH/N²)
Figure 1