LFA-9

LFA50F

External view

Block diagram

FG

FILTER

NOISE

AC IN 85

264V

FUSE

RECTIFIER

CURRENT

SENSING

BOOSTER

INDUCTOR

INVERTER

CONTROL

250V2.5A

CONTROL

INVERTER

DC OUT

TRANSFORMER

CONTROL

Photocoupler

Photocoupler

OVER VOLTAGE

PROTECTION

CURRENT

SENSING

INRUSH

CURRENT

LIMIT

RECTIFIER

AND

FILTER

RECTIFIER

AND

FILTER

<PIN CONNECTION>

CN1

CN2

Pin No.

Input

1

AC(L)

2

3

AC(N)

4

5

FG

Pin No.

Output

1, 2

-V

3, 4

+V

¶ Keep drawing current per pin below 5A for CN2.

I/O Connector

Mating connector

CN1

1-1123724-3

1-1123722-5

Chain

Loose

CN2

1-1123723-4

1-1123722-4

Terminal

Chain

Loose

1123721-1

1318912-1

1123721-1

1318912-1

(Mfr:

¶ I/O Connector is Mfr. Tyco Electronics

¶ Option:-J1:(J.S.T) connector type. Refer to Instruction Manual 5.

¶ Mounting torque (Mounting hole of chassis) : 0.6N

¶ Tolerance : ±1 [±0.04]

¶ Weight : 165g max (without chassis and cover)

¶ PCB material / thickness : CEM3 / 1.6mm

¶ Optional chassis and cover material : Electric galvanizing steel board.

¶ Dimensions in mm, [ ]=inches

Standard type

Chassis and cover type

¶ 4 Mounting holes are existing.

¶ The back side of P.C.B. of the power supply is assembled some

SMDs.

Be attention not to bump against the attached area by vibration.

¶ Use the spacer of 8mm length or more regarding insulation.

And do not use press-fitting bush.

¶ Point A, Point B are thermometry points. Please refer to

Instruction Manual 3.

1

3

5

FG

4

3

1

CN2

CN1

2

Name plate

Voltage adjust

(LFA50F-3R3-Y or optional)

3-

f3.5

Mounting Hole

Output(-)

Output(+)

Mounting Hole

Point B

Point A

Input(L)

Input(N)

PCB t=1.6

132

5

4

Output(-)

Output(+)

FG

Input(N)

Input(L)

4-M3

Mounting Hole

2-M3

Mounting Hole

2-

f3.5

f3.5

CN1

CN2

5

3

1

4

3

1

2

162

6

6

150

¶1 Surface mount device

¶1

4.9

FG

[0.2]

[0.16]

[5.2]

[0.19]

[0.24]

[0.24]

[6.38]

[4.8]

[5.91]

[5.91]

LFA