LFA300F Datasheet, PDF (10/18 Pages) RSG Electronic Components GmbH – AC-DC Power Supplies Open Frame/ Enclosed type

LFA75F
Block diagram
AC IN 85 264V
FUSE
250V3.15A
NOISE
FILTER
RECTIFIER
INRUSH
CURRENT
LIMIT
FG
LFA
BOOSTER
INDUCTOR
CURRENT
SENSING
RECTIFIER
AND
FILTER
INVERTER
CONTROL
CONTROL
INVERTER
TRANSFORMER _RECTIFIER
AND
FILTER
CURRENT
SENSING
Photocoupler
CONTROL
Photocoupler
OVER VOLTAGE
PROTECTION
DC OUT
External view
Standard type
FG Name plate
Voltage adjust
(LFA75F-3R3-Y or optional)
13 ^3-f3.5
2-f4.5
[0.51] Mounting Hole
5 FG
3 Input(N)
1 Input(L)
CN1
CN2
1
Output(-)
3
4
Output(+)
6
FG
5
Input(N)
3
Input(L)
1
CN1
Point A
Point B ⁴
5
140 ±0.5
[0.16]
Mounting Hole
[0.2]
[5.51]
150
[5.91]
f4.5
Chassis and cover type
169 ±0.5
[6.65]
5.5 4-M4
[0.22] _{Mounting Hole}
CN2
1
Output(-)
3
4
Output(+)
6
180
[7.09]
169 ±0.5
[6.65]
5.5
[0.22]
¶1
PCB t=1.6
¶1 Surface mount device
2-M4
Mounting Hole
¶ 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.
I/O Connector Mating connector
Terminal
Chain 1123721-1
CN1 1-1123724-3 1-1123722-5 _{Loose 1318912-1}
CN2 1-1123723-6
1-1123722-6
Chain
Loose
1123721-1
1318912-1
(Mfr:Tyco Electronics)
¶ I/O Connector is Mfr. Tyco Electronics
¶ Option:-J1:(J.S.T) connector type. Refer to Instruction Manual 5.
<PIN CONNECTION>
CN1
Pin No.
1
2
3
4
5
Input
AC(L)
AC(N)
FG
CN2
Pin No. Output
1 to 3
-V
4 to 6
+V
¶ Tolerance : ±1 [±0.04]
¶ Weight : 230g max (without chassis and cover)
¶ PCB material / thickness : CEM3 / 1.6mm
¶ Optional chassis and cover material : Electric galvanizing steel board.
¶ Dimensions in mm, [ ]=inches
¶ Mounting torque (Mounting hole of chassis) :1.5N-m (16kgf-cm) max
¶ Keep drawing current per pin below 5A for CN2.
LFA-11