PLN-20seriespossesssuperiorworkingefficiencythatupto83.5%canbereachedinfieldapplications.

LOAD

PowerFactorCharacteristic

Powerfactorwillbehigherthan0.9whenoutputloadingis75%orhigher.

EFFICIENCY vsLOAD(48VModel)

ConstantCurrentMode

LOAD

TherearetwomajorkindsofLEDdrivemethod"directdrive"and"withLEDdriver".

A typicalLEDpowersupplymayeitherworkin"constantvoltagemode(CV)orconstantcurrentmode(CC)"todrivetheLEDs.

Mean Well's LED power supply with CV+ CC characteristic can be operated at both CV mode [with LED driver, at area (A)] and CC mode [direct drive, at area (B)].

TypicalLEDpowersupplyI-Vcurve

DRIVINGMETHODSOFLEDMODULE

20WSingleOutputLEDPowerSupply

FileName:PLN-20-SPEC2011-03-09

0.78

0.80

0.82

0.84

0.86

0.88

0.90

0.92

0.94

0.96

0.98

1.00

50%

60%

70%

80%

90%

100%

230VAC

110VAC

44

46

48

50

52

54

56

58

60

62

64

66

68

70

72

74

76

78

80

82

84

86

88

90

10% 20% 30% 40% 50% 60% 70% 80% 90% 100%

230VAC

110VAC

TypicalLEDpowersupplyI-Vcurve

TypicalLEDpowersupplyI-Vcurve

100

50

50

100

(max.)

Io (%)

Constant

Voltage area

Constant

Current area

Hiccup

Protection

(A)

(B)

(C)