BLOCK DIAGRAM

PFC fosc : 45KHz

PWM fosc : 55KHz

DIM+

(B Type)

DIM-

DETECTION

PWM

CIRCUIT

O.L.P.

EMI FILTER

RECTIFIERS

POWER

SWITCHING

FILTER

&

RECTIFIERS

Vo+

Vo-

I/P

FG

CONTROL

O.V.P.

&

O.L.P.

PFC

CIRCUIT

PFC

CONTROL

O.T.P.

480W Constant Voltage + Constant Current LED Driver

File Name:HLG-480H-SPEC 2016-12-01

DRIVING METHODS OF LED MODULE

Typical output current normalized by rated current (%)

100

50

50

100

Io (%)

Constant

Current area

Constant

Voltage area

(A)

(B)

depends on the configuration of the end systems.

Should there be any compatibility issues, please contact MEAN WELL.

※ This series is able to work in either Constant Current mode (a direct drive way) or

Constant Voltage mode (usually through additional DC/DC driver) to drive the LEDs.