Data Sheet

GAPTEC-Electronic GmbH & Co. KG
[e-mail] – www.gaptec-electronic.com
Page 4 of 6
LEDT16_24 – Rev. 2015-1.0
Specifications subject to change without notice.
LEDT16_24 Series
Constant current power LED driver - Wide Input - Isolated & Regulated
EMC recommended circuit
EMI/RFI conducted EN55022 recommended circuit
EMI/EMC recommended circuit
Note:
1. DIM pin is the module’s PWM dimming pin as shown in EMI/EMC recommended circuit.
2. While adding circuit 2 , it may extend the PWM dimming output reaction time.
EMI/EMC standard:
Item Standard Level Predicate Remark
EMI conducted EN 55015 Power port Qualification Add external circuit 1
ESD IEC
61000-4-2:2001
Level 2 B ±4KV
Add external circuit 2
Surge IEC
61000-4-5:2004
Level 2 B ±1KV
Add external circuit 1
EFT IEC
61000-4-4:2004
Level 2 B ±1KV
Add external circuit 1
1. 24V input series, 24V output series is subject to CY (CY : 1nF/2KV).
2. It is not needed to add the component in the peripheral circuit when
parameter with the symbol of „--“.
Recommended parameter:
Components Specifications
Tvs SMCJ48A,1500W（Bringtking（
LCM 6.8µH CD43（ CEAIYA（
C0 470µF/50V（ CapXon（
C1 4.7µF/50V 1210 (TORCH)
C2 2.2µF/50V 1210 (TORCH)
C3 470pF/100V 0805 (TORCH)
R1 680Ω 0805 (can replaced by
inductance or magnetic bead)