55W
55W
简要说明:
Designed for LED General Lighting Applications
Externally adjustable maximum output current through RSET
Universal AC input (108~305Vac)
Built-in active PFC provide PF>0.90 over entire input range
Instant Response (< 0.5s Turn on/off time with soft start)
Built-in Transient Suppression up to 2.5kV
Class II power supply
Industry standard T5 metal case cooled by air convection
Protections: Short Circuit / Over Voltage / Over Current / Over Temperature
Dimmable output with flexible architecture
• DC Dimming (0-10V) (2 wire dimming input) 
• Dimming supports majority of available dimming solutions
• Step Dimming
• Wide dimming range from 10% to 100%

Constant Current Variants

Part Number

Output Current (mA)

Output Voltage
Range (V)

Load Reg.

Max. Effic.

Max. Output Power (W)

XEL-A055A-024-C2X00

2000

16 ~ 24

±5%

85%

48

XEL-A055A-042-C1X60

1600

20 ~ 34

±5%

85%

55

XEL-A055A-042-C1X40

1400

25 ~ 38

±5%

86%

55

XEL-A055A-042-C1X05

1050

30 ~ 42

±5%

87%

45

XEL-A055A-056-C1X00

1000

33 ~ 52

±5%

88%

52

XEL-A055A-056-CX850

850

33 ~ 56

±5%

88%

48

XEL-A055A-056-CX700

700

33 ~ 56

±5%

88%

40


General Specification

SERIES

XEL-A055A

OUTPUT

DC VOLTAGE RANGE        

16 ~ 56Vdc (see orderable parts table for details)

RATED CURRENT RANGE

1.00A ~ 2.30A (see orderable parts table for details)

RATED POWER

up to 55W

LOAD REGULATION1

±5%

TURN ON/OFF TIME

Turn on < 500ms over full input voltage range, Turn off < 200ms under any dimming condition

INPUT

VOLTAGE RANGE 

108 ~ 305Vac

FREQUENCY RANGE

47 ~ 63Hz

POWER FACTOR (Typ.)

PF > 0.9 at 80% of load when input range is 120 ~ 277 Vac

EFFICIENCY (Typ.)

≥ 84 % at 80% of load when input range is 120 ~ 277 Vac

AC CURRENT (Typ.)

0.8A @ 120Vac and 0.4A @ 277Vac 

INRUSH CURRENT (Typ.)

< 50A @ 25°C, 120Vac or < 60A @ 25°C, 277Vac cold start with full load

LEAKAGE CURRENT

< 250μA @ 120Vac

THD (TOTAL HARMONIC DIST.)

< 20%

DIMMING

MODES 
(For Constant Current models)

Step Dimming
DC Dimming Control 0-10Vdc
Wide dimming range from 10% up to 100%
Dimming over entire input voltage range. Unit capable of interfacing with either sourcing or sinking dimmers

PROTECTION

SHORT CIRCUIT

Hiccup mode protection. Recovers automatically after fault condition is removed

OVER VOLTAGE

< 30% above the maximum output voltage listed for the specific part number

OVER CURRENT

< 50% above the maximum output current listed for the specific part number

OVER TEMPERATURE

Unit turns off when Tc > 85°C

ENVIRONMENT

WORKING TEMPERATURE

-40°C ~ + 70°C at Full Load (Tcase rated for 85C)

WORKING HUMIDITY

5% ~ 95% RH non-condensing

STORAGE TEMPERATURE

-40°C ~ + 85°C

STORAGE HUMIDITY

5% ~ 95% RH non-condensing

VIBRATION

10 ~ 500Hz, 5G 12min./1cycle, period for 30min. each along X, Y, Z axes

 

SAFETY & EMC

SAFETY STANDARDS 

UL8750, CSA C22.2 No. 250.0-08 (except for 42V-54V), EN61347-1, EN61347-2-13 independent,  Design refer to UL60950-1, EN60950-1 Compliant, CE

EMI CONDUCTION & RADIATION

Compliance to EN55015 Class A, FCC 47CFR Part 15 Class

HARMONIC CURRENT

Compliance to EN61000-3-2 Class C

EMS IMMUNITY

Compliance to EN61000-4-2,3,4,5,6,8,11; EN61547, light industry level, criteria A

TRANSIENT SUPPRESSION

2kV (100kHz ring wave at 2kV common mode and differential)

OTHERS

LIFETIME

50,000 hours at case temperature ≤ 85C

 

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