DC-DC Constant Current Step-Down LED driver
LDD-L series
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SPECIFICATION
ORDER NO.
LDD-300L
LDD - 350L
LDD-500L
LDD-600L
LDD-700L
CURRENT RANGE
300 mA
350mA
500mA
600mA
700mA
VOLTAGE RANGE Note.4 2 ~ 32VDC for LDD-300~700L/LW ; 2~ 28VDC for LDD-3 00~700LS
CURRENT ACCURACY (Typ.) ±5% at 24VDC input
OU TP UT
RIPPLE & NOISE(max.) Note.2 150mVp-p
150mVp-p
150mVp-p
200mVp -p
200mVp-p
SWITCHING FREQENCY 40KHz ~ 1000KHz
EXTERNAL CAPACITANCE LOAD (max.) 2.2uF
VOLTAGE RANGE
9 ~ 36VDC for LDD-300~700L/LW ; 9~ 32VDC for LDD-3 00~700LS
EFFICIENCY (max.)
95% at full load and 24VDC/36VDC input for LDD-300~700L/LW ; 95% at full load and 24VDC input for LDD-3 00~700LS
INPU T
Full load Note.3 300mA
DC CURRENT
No load
5mA
350mA
500mA
600mA
700mA
FILTER
Capacitor
Leave open if not use
PWM
DIMM ING
&
ON /O FF
REMOTE ON/OFF
PWM FREQUENCY
Power ON with dimming: DIM ~ -Vin >3.5 ~ 8VDC or open circuit
Power OFF : DIM ~ -Vin < 0.5VDC or short
100 ~ 1KHz
CONTROL QUIESCENT INPUT CURRENT
1mA at PWM dimming OFF and 24VDC input
IN SHUTDOWN MODE(max.)
SHORT CIRCUIT
PROTECTION
OVER TEMPERATURE
Regula ted at rated output c urrent
Protection type: C an be con tinued, recovers automatically after fault condition is remove d
Tj 150℃ typically (IC1) detect on main control IC
Protecti on type : Shut down, recovers automatically after temperatur e goes dow n
WORKING TEMP.
-40 ~ + 85℃(Refer to derating curve)
WORKING HUMIDITY
20% ~ 90% RH non-condensing for LDD-300~700L/LW ; 20% ~ 85% RH non-condensing for LDD-300~700LS
STORAGE TEMP., HUMIDITY -55 ~ +125℃, 10 ~ 95% RH
ENVIRONMENT TEMP. COEFFICIENT
±0.03% / ℃
VIBRATION
10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes
OPERATING CASE TEMP. (max.) 100℃
EMC EMISSION
EMC
EMC IMMUNITY
Compliance to EN55015, FCC part 15 class B
Compliance to EN61000-4-2,3,4,6,8, light industry level, criteria A
OTHERS
MTBF
DIMENS ION
WEIGHT
2000Khrs min. MIL-HDBK-217F (25℃)
22.6*9.9*8.9mm or 0.89"*0.39"*0.35" inch (L*W*H) for LDD-300~700L/LW ; 25.4*10.5*9.3mm or 1"*0.4135"*0.366" inch (L*W*H) for LDD-300~700LS
LDD-300~700L:4g ; LDD-300~700LW:7.3g ; LDD-300~700LS :3.4g
POTTING MATERIAL
Expoxy(UL94-V0) for LDD-300~700L/LW ; without potted for LDD-300~700LS
NOTE
℃
File Name:LDD-L-SPEC 2013-10-14