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China Led Driver
1. Two years warranty for each Item 40w led driver
2. strict quality control inspection of 40w led driver before shipment
3. shockproof & high quality blister packingof 40w led driver to protect the item from damaging during shipment
4. OEM design & OEM packing welcome
5. Strong production ability of 40w led driver
6. Quality is the heart of our factory and service is the soul!
7. MOQ:We support   (1~5 pieces)  sample order of  40w led driver  
8. More than 500 pieces, can print OEM  logo on the products.  
MODEL LPV-40-5E LPV-40-12E LPV-40-15E LPV-40-24E LPV-40-36E
DC VOLTAGE 5V 12V 15V 24V 36V
RATED CURRENT 8A 3.3A 2.6A 1.6A 1A
CURRENT RANGE 0 ~ 8A 0 ~ 3.3 0 ~ 2.6A 0 ~ 1.6A 0 ~ 1A
RATED POWER 30W 36W 36W 36W 36W
RIPPLE & NOISE (max.) 80mVp-p 120mVp-p 120mVp-p 150mVp-p 150mVp-p
SETUP, RISE TIME 500ms, 20ms / 230VAC  500ms, 20ms / 115VAC at full load
HOLD UP TIME (Typ.) 50ms/230VAC 16ms/115VAC at full load
VOLTAGE RANGE 90 ~ 264VAC 127 ~ 370VDC
EFFICIENCY (Typ.) 77% 84% 84% 85% 85%
AC CURRENT (Typ.) 1.1A/115VAC   0.7A/230VAC
INRUSH CURRENT(Typ.) COLD START 55A(twidth=510μs measured at 50% Ipeak) at 230VAC
MAX. No. of PSUs on 16A 4 units (circuit breaker of type B) / 7 units (circuit breaker of type C) at 230VAC
OVERLOAD 110 ~ 150% rated output power
Protection type : Hiccup mode, recovers automatically after fault condition is removed
OVER VOLTAGE 5.75 ~ 6.75V 13.8 ~ 16.2V 17.25 ~ 20.25V 27.6 ~ 32.4V 41.4 ~ 48.6V
Protection type : Shut down o/p voltage, re-power on to recover
WORKING TEMP. -30 ~ +65℃ (Refer to "Derating Curve")
WORKING HUMIDITY 20 ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY -40 ~ +80℃, 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 IP67 approved ; design refer to EN60950-1
ISOLATION RESISTANCE I/P-O/P:>100M Ohms / 500VDC / 25℃/ 70% RH
EMC EMISSION Compliance to EN55022 (CISPR22) Class B, EN61000-3-2 Class A, EN61000-3-3
EMC IMMUNITY Compliance to EN55024, light industry level,criteria A
MTBF 743.5Khrs min. MIL-HDBK-217F (25℃)
DIMENSION 148*40*30mm (L*W*H)
PACKING 0.34Kg; 40pcs/14.6Kg/0.63CUFT
What are the repair methods of switching power supply?
Power on detection
After power-on, we need to observe whether there is burning insurance or smoke phenomenon of individual components in the power supply. If there is, we need to immediately power off for maintenance. If not, we need to focus on rectifier diodes, filter capacitors and other components. We can also further determine where the problem occurs by measuring the output of 300 volts at both ends of the high-voltage filter capacitor and the output of 300 volts at both ends of the high-voltage filter capacitor. If the power supply stops when it starts, it's probably because the circuit is protected. We need to look at the reason why the circuit is protected. 
China Led Driver

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