LDH-45 Datasheet, PDF (1/4 Pages) Mean Well Enterprises Co., Ltd. – DC/DC STEP-UP CONVERTER

DC-DC Step-Up Constant Current LED driver
LDH-45 series
■ Features :
DC/DC step-up converter
Constant current output : 350mA to 1050mA
Wide output LED string voltage up to 126VDC
High efficiency up to 95%
Built-in EMI filter,comply with EN55015 without additional
input filter and capacitors
PWM + analog dimming and remote ON/OFF control
Protections: Short circuit / Over voltage / Under voltage
Cooling by free air convection
Fully encapsulated
3 years warranty
LDH-45 -350
=A or B; A: 9~18VDC input range, B: 18~32VDC input range
=Blank or W; Blank:pin style, W:wire style
SPECIFICATION
MODEL
LDH-45A-350 LDH-45A-500 LDH-45A-700 LDH-45A-1050 LDH-45B-350 LDH-45B-500 LDH-45B-700 LDH-45B-1050
RATED CURRENT
350mA
500mA
CURRENT ACCURACY(Typ.) ±5% at 12VDC input
VOLTAGE RANGE Note.3 12~86VDC 12~86VDC
700mA
12~64VDC
1050mA
12~43VDC
350mA
500mA
±5% at 24VDC input
21~126VDC 21~86VDC
700mA
21~64VDC
1050mA
21~43VDC
OUTPUT NO LOAD OUTPUT VOLTAGE(max.) 100V
100V
75V
50V
146V
100V
75V
50V
RATED POWER
30.1W
RIPPLE & NOISE (max.) Note.2 2.5Vp-p
43W
2.5Vp-p
44.8W
1.9Vp-p
45.15W
1.9Vp-p
45.15W
2.5Vp-p
43W
1.7Vp-p
44.8W
1.2Vp-p
45.15W
1.2Vp-p
RATED VOLTAGE
12VDC
24VDC
VOLTAGE RANGE
9~18VDC
18~32VDC
INPUT
EFFICIENCY (max.)
91%
90%
90%
91%
93%
94%
95%
95%
DC CURRENT (Typ.)
2.8A
4.1A
4.2A
4.2A
2.1A
2.1A
2A
2A
PWM
DIMMING
&
ON/OFF
CONTROL
Leave open if not used
REMOTE ON/OFF
Power ON with dimming: PWM DIM~DIM- >2~8VDC or open circuit
Power OFF : PWM DIM~DIM- <0.5VDC or short or PWM duty is equal to 0%
PWM DIMMING FREQUENCY 1K~10KHz
QUIESCENT INPUT CURRENT
IN SHUTDOWN MODE(Typ.)
7mA at PWM dimming OFF
Leave open if not used
ANALOG
DIMMING
&
ON/OFF
CONTROL
REMOTE ON/OFF
DIM INPUT VOLTAGE RANGE
MAX OPERATION VOLTAGE
QUIESCENT INPUT CURRENT
IN SHUTDOWN MODE(Typ.)
Power on with dimming: Analog DIM~DIM- >0.25~8VDC or open circuit
Power off : Analog DIM~DIM- <0.2VDC or short
0.25~1.3VDC
8V; The output current remains constant when voltage changes from 1.3V to 8V
7mA at Analog dimming OFF
SHORT CIRCUIT
PROTECTION
OVER VOLTAGE (max.)
Protection type : Power OFF and fuse open
100V
100V
75V
50V
146V
100V
75V
50V
Protection type : Constant output voltage and shut off o/p current, recovers automatically after fault condition is removed
WORKING TEMP.
-40 ~ +70℃ (Refer to "Derating Curve")
WORKING HUMIDITY
20 ~ 90% RH non-condensing
ENVIRONMENT STORAGE TEMP., HUMIDITY ^{-40 ~ +85℃, 10 ~ 95% RH}
TEMP. COEFFICIENT
±0.03%/℃ (0 ~ 50℃)
VIBRATION
10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes
SAFETY STANDARDS
SAFETY &
EMC EMISSION
EMC
EMC IMMUNITY
EN61347-1, EN61347-2-13 approved
Compliance to EN55015
Compliance to EN61547,EN61000-4-2,3,4,6,8; light industry level, criteria A
MTBF
1179.3Khrs min. MIL-HDBK-217F (25℃)
OTHERS
NOTE
DIMENSION
75*53*22.7mm (L*W*H)
PACKING
138g;100pcs/14.8Kg/0.83CUFT(Blank Type),1.04CUFT(W Type)
1. All parameters are specified at normal input(12VDC,24VDC), rated load, 25℃ 70% RH ambient.
2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1uf parallel capacitor.
3. Output voltage will always step up by 3 Volts from input DC voltage.
File Name:LDH-45-SPEC 2016-10-15