0.84

0.86

0.88

0.9

0.92

0.94

0.96

0.98

1

50%

60%

70%

80%

90%

100%

277VAC

230VAC

115VAC

(320W)

7 5

7 7

7 9

8 1

8 3

8 5

8 7

8 9

9 1

9 3

9 5

9 7

1 0 %

2 0 %

3 0 %

4 0 %

5 0 %

6 0 %

7 0 %

8 0 %

9 0 %

1 0 0 %

2 7 7 V A C

2 3 0 V A C

1 1 5 V A C

320WSingleOutputSwitchingPowerSupply

FileName:HLG-320H-SPEC2011-11-22

TherearetwomajorkindsofLEDdrivemethod"directdrive"and"withLEDdriver".

TypicalLEDpowersupplyI-Vcurve

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).

DRIVINGMETHODSOFLEDMODULE

100

50

50

95

Io (%)

Constant

Voltage area

Constant

Current area

Hiccup

Protection

(A)

(B)

(C)

PowerFactorCharacteristic

EFFICIENCY vsLOAD(48VModel)

LOAD

ConstantCurrentMode

HLG-320Hseriespossesssuperiorworkingefficiencythatupto95%canbereachedinfieldapplications.

LOAD