LDD-H Datasheet, PDF (1/3 Pages) Mean Well Enterprises Co., Ltd. – DC-DC Constant Current LED driver

DC-DC Constant Current LED driver
LDD-H series
Features :
Constant current output: 300mA to 1000mA
Wide input voltage: 9 ~ 56VDC
Wide output LED string voltage: 2 ~ 52VDC
High efficiency up to 97%
DC/DC step-down converter
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
LDD-350H W Blank : pin style
W : wire style
SPECIFICATION
ORDER NO.
LDD-300H
LDD-350H
LDD-500H
LDD-600H
LDD-700H
OUTPUT
CURRENT RANGE
300mA
350mA
500mA
VOLTAGE RANGE
2 ~ 52VDC
CURRENT ACCURACY (Typ.) 3% at 24VDC input ; 4% at 48VDC input
RIPPLE & NOISE(max.) Note.2 150mVp-p
150mVp-p
150mVp-p
SWITCHING FREQENCY
40KHz ~ 1000KHz
EXTERNAL CAPACITANCE LOAD (max.) 2.2uF
600mA
200mVp-p
700mA
200mVp-p
INPUT
VOLTAGE RANGE
9 ~ 56VDC
EFFICIENCY (max.)
97% at full load and 36VDC/48VDC input
Full load Note.3 270mA
DC CURRENT
No load
10mA
320mA
450mA
550mA
650mA
FILTER
Capacitor
PWM
DIMMING
&
ON/OFF
REMOTE ON/OFF
PWM FREQUENCY
Leave open if not use
Power ON with dimming: DIM ~ -Vin >2.5 ~ 6VDC or open circuit
Power OFF : DIM ~ -Vin < 0.8VDC 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
Regulated at rated output current
Protection type: Can be continued, recovers automatically after fault condition is removed
Tj 150 typically(IC1) detect on main control IC
Protection type : Shut down, recovers automatically after temperature goes down
WORKING TEMP.
-40 ~ + 85 (Refer to derating curve)
WORKING HUMIDITY
20% ~ 90% RH non-condensing
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
OTHERS
EMI CONDUCTION & RADIATION Compliance to EN55015, FCC part 15 class B
EMS IMMUNITY
Compliance to EN61000-4-2,3,4,6,8, light industry level, criteria A
MTBF
DIMENSION
2000Khrs min. MIL-HDBK-217F (25 )
31.8*20.3*12.2mm or 1.25"*0.8"*0.48" inch (L*W*H)
WEIGHT
LDD-H:16g ; LDD-HW:18.6g
POTTING MATERIAL
Expoxy(UL94-V0)
NOTE
1.All parameters are specified at normal input(48VDC), 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.Test condition: 48VDC input.
LDD-1000H
1000mA
350mVp-p
900mA
File Name:LDD-H-SPEC 2011-10-07