LDB-350L Blank : pin style
W : wire style
W
File Name:LDB-L-SPEC 2018-05-11
DC/DC buck-boost converter
Constant current output: 300mA to 600mA
Wide input voltage: 9 ~ 36VDC
Wide output LED string voltage: 2 ~ 40VDC
High efficiency up to 91%
Built-in EMI filter, comply with EN55015 and FCC part15 without
additional input filter and capacitors
Built-in PWM and remote ON/OFF control
Protections: Short circuit / Over temperature
Cooling by free air convection
Fully encapsulated with IP67 level
Compact size
Low cost, high reliability
Suitable for driving illumination LED
3 years warranty
SPECIFICATION
LDB-300L LDB-350L LDB-500L LDB-600L
ORDER NO.
CURRENT RANGE
VOLTAGE RANGE
CURRENT ACCURACY (Typ.)
OUTPUT
EFFICIENCY (max.)
DC
CURRENT
INPUT
PWM
DIMMING
&
ON/OFF
CONTROL
ENVIRONMENT
EMC
WORKING TEMP.
WORKING HUMIDITY
STORAGE TEMP., HUMIDITY
TEMP. COEFFICIENT
VIBRATION
OPERATING CASE TEMP. (max.)
MTBF
DIMENSION
OTHERS
WEIGHT
POTTING MATERIAL
SHORT CIRCUIT
FILTER
REMOTE ON/OFF
PWM FREQUENCY
MAX. PWM SIGNAL CURENT
OVER TEMPERATURE
PROTECTION
RIPPLE & NOISE(max.) Note.2
SWITCHING FREQENCY
89%
90%
89%
90%
89%
91%
87%
91%
1070mA
530mA
10mA
9 ~ 36VDC
75VDC
9 ~ 36VDC 9 ~ 30VDC 9 ~ 28VDC
350KHz
150mVp-p
±5%
2 ~ 40VDC 2 ~ 40VDC 2 ~ 32VDC 2 ~ 30VDC
300mA 350mA
150mVp-p
1120mA
610mA
500mA
150mVp-p
1235mA
710mA
600mA
200mVp-p
1610mA
910mA
600Khrs min. MIL-HDBK-217F (25 )℃
-40 ~ + 71 (Refer to derating curve)℃
20% ~ 90% RH non-condensing
-55 ~ +125 , 10 ~ 95% RH℃
±℃0.03% /
10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes
110℃
LDB-L:15.6g ; LDB-LW:18g
31.8*20.3*12.2mm or 1.25"*0.8"*0.48" inch (L*W*H)
Expoxy(UL94-V0)
No load
Full load
12VDC
12VDC
24VDC
24VDC
Capacitor
Leave open if not use
Power ON with dimming: DIM ~ -Vin >2 ~ 10VDC or open circuit
Power OFF : DIM ~ -Vin < 0.5VDC or short
100 ~ 1KHz
1mA
DC-DC Constant Current Buck-Boost LED driver
LDB-L series
■ Features :
VOLTAGE RANGE
NO LOAD OUTPUT VOLTAGE
Tj 145 typically(IC1) detect on main control IC℃
Regulated at rated output current
Protection type: Can be continued, recovers automatically after fault condition is removed
Protection type : Shut down, recovers automatically after temperature goes down
Compliance to EN55015, FCC part 15 class B, EAC TP TC 020
Compliance to EN61000-4-2,3,4,6,8, light industry level, criteria A, EAC TP TC 020
1.All parameters are specified at normal input(24VDC), rated load, 25 70% RH ambient. ℃
2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1uf capacitor.
3.The output of LDB-L should not be connected to the input of the same unit or output from other sources.
NOTE
EMC IMMUNITY
EMC EMISSION
EAC TP TC 004 approved
SAFETY STANDARDS
