Ordering information
AC-DC Power Supplies Open Frame/ Enclosed Type
LF A 10 F -O -O
LFA10F
1 2 3 4 5 6
1 Series name
Recommended EMI/EMC Filter
R
2 Single output
NAC-04-472
3 Output wattage
4 Universal input
5 Output voltage
LFA
6 Optional
C : with Coating
G : Low leakage current
J1 : VH(J.S.T.)connector type
High voltage pulse noise type : NAP series
S : with Chassis
Low leakage current type : NAM series
SN : with Chassis & cover
* The EMI/EMC Filter is recommended
Y : with Potentiometer
to connect with several devices.
Specification is changed at
option, refer to Instruction
Manual.
This power supply is manufactured by SMD technology. The stress to P.C.B like twisting or bending causes the defect of the unit, so handle the unit with care.
MODEL LFA10F-3R3-Y LFA10F-5 LFA10F-12 LFA10F-15 LFA10F-24
MAX OUTPUT WATTAGE[W] 6.6 10 10.8 10.5 12
DC OUTPUT 3.3V 2A 5V 2A 12V 0.9A 15V 0.7A 24V 0.5A
SPECIFICATIONS
MODEL LFA10F-3R3-Y LFA10F-5 LFA10F-12 LFA10F-15 LFA10F-24
VOLTAGE[V] *3
AC85 - 264 1f (Refer to Instruction Manual 1.1 and 3.2)
ACIN 100V 0.18typ (Io=100%) 0.26typ (Io=100%)
CURRENT[A]
ACIN 200V 0.11typ (Io=100%) 0.16typ (Io=100%)
FREQUENCY[Hz] 50 / 60 (47 - 440)
INPUT ACIN 100V 68.0typ 74.0typ 76.5typ 77.5typ 79.5typ
EFFICIENCY[%]
ACIN 200V 68.5typ 76.0typ 79.0typ 80.0typ 83.0typ
ACIN 100V 15typ (Io=100%)
INRUSH CURRENT[A]
ACIN 200V 30typ (Io=100%)
LEAKAGE CURRENT[mA] 0.15/0.30max (ACIN 100V / 240V 60Hz, Io=100%, According to IEC60950-1 and DEN-AN)
VOLTAGE[V] 3.3 5 12 15 24
CURRENT[A] 2.0 2.0 0.9 0.7 0.5
*5
LINE REGULATION[mV] 20max 20max 48max 60max 96max
LOAD REGULATION[mV] *5 40max 40max 100max 120max 150max
0 to +50C 80max 80max 120max 120max 120max
RIPPLE[mVp-p]
-10 - 0C 140max 140max 160max 160max 160max
*1
Io=0 - 35% 190max 160max 240max 240max 280max
0 to +50C 120max 120max 150max 150max 150max
RIPPLE NOISE[mVp-p]
OUTPUT -10 - 0C 160max 160max 180max 180max 180max
*1
Io=0 - 35% 240max 240max 300max 300max 320max
0 to +50C 50max 50max 120max 150max 240max
TEMPERATURE REGULATION[mV]
-10 to +50C 60max 60max 150max 180max 290max
*2 20max 20max 48max 60max 96max
DRIFT[mV]
START-UP TIME[ms] 200typ (ACIN 100V, Io=100%) *Start-up time is 700ms typ for less than 1minute of applying input again from turning off the input voltage.
HOLD-UP TIME[ms] 20typ (ACIN 100V, Io=100%)
OUTPUT VOLTAGE ADJUSTMENT RANGE[V] 2.85 to 3.63 Fixed (Yoption is available for adjusting output voltage between 10%)
OUTPUT VOLTAGE SETTING[V] 3.30 to 3.40 4.90 to 5.30 11.50 to 12.50 14.40 to 15.60 23.00 to 25.00
OVERCURRENT PROTECTION Works over 105% of rating and recovers automatically
OVERVOLTAGE PROTECTION 4.00 to 5.25 5.75 to 7.00 13.80 to 16.80 17.25 to 21.00 27.60 to 33.60
PROTECTION
CIRCUIT AND OPERATING INDICATION Not provided
OTHERS
REMOTE SENSING Not provided
REMOTE ON/OFF Not provided
INPUT-OUTPUT AC3,000V 1minute, Cutoff current = 10mA, DC500V 50MW min (At Room Temperature)
ISOLATION INPUT-FG
AC2,000V 1minute, Cutoff current = 10mA, DC500V 50MW min (At Room Temperature)
OUTPUT-FG AC500V 1minute, Cutoff current = 25mA, DC500V 50MW min (At Room Temperature)
*3
OPERATING TEMP.,HUMID.AND ALTITUDE -10 to +70C, 20 - 90%RH (Non condensing) (Refer to Instruction Manual 3.2), 3,000m (10,000 feet) max
STORAGE TEMP.,HUMID.AND ALTITUDE -20 to +75C, 20 - 90%RH (Non condensing), 9,000m (30,000 feet) max
ENVIRONMENT
2
VIBRATION 10 - 55Hz, 19.6m/s (2G), 3minutes period, 60minutes each along X, Y and Z axis
2
IMPACT 196.1m/s (20G), 11ms, once each X, Y and Z axis
AGENCY APPROVALS UL60950-1, C-UL (CSA60950-1), EN60950-1, EN60065, EN50178 Complies with DEN-AN
SAFETY AND
NOISE CONDUCTED NOISE Complies with FCC-B, VCCI-B, CISPR-B, EN55011-B, EN55022-B
REGULATIONS
HARMONIC ATTENUATOR Complies with IEC61000-3-2 (Class A) *6 (Not built-in to active lter) *4
CASE SIZE/WEIGHT 50X22X73.5mm [1.97X0.87X2.89 inches] (WXHXD) / 55g max (with chassis & cover : 150g max)
OTHERS
COOLING METHOD Convection (Refer to Instruction Manual 3.1 and 3.2) *3
factor Io=0-35% is different. Please contact us for details.
*1 This is the value that measured on measuring board with
capacitor of 22mF at 150mm from output terminal. Please refer to the Instruction Manual 1.7. *5 Please contact us about dynamic load and input response.
Measured by 20MHz oscilloscope or Ripple-Noise meter *2 Drift is the change in DC output for an eight hour period after *6 Please contact us about another class.
(Equivalent to KEISOKU-GIKEN: RM103). a half-hour warm-up at 25C, with the input voltage held * To meet the speci cations. Do not operate over-loaded condition.
A circuit reducing standby power is built in this unit. constant at the rated input/output. * Parallel operation is not possible.
Therefore, the internal switch element is intermittent *3 Derating is required. * Derating is required when operated with chassis and cover.
operated, and the Ripple/Ripple Noise specification in load *4 When two or more units are operating it may not comply with * Sound noise may be generated by power supply in case of pulse
the IEC61000-3-2. load.
LFA-2
LFA10F
Block diagram
FUSE
AC250V
2A INRUSH RECTIFIER
AC IN NOISE
CURRENT
AND
85 264V FILTER
LFA
LIMIT FILTER
FG
TRANSFORMER
RECTIFIER
CONTROL INVERTER AND
DC OUT
FILTER
CURRENT
SENSING
Photocoupler
CONTROL
Photocoupler
OVER VOLTAGE
PROTECTION
External view
Standard type Chassis and cover type
FG 4.6
[0.18]
0.5
f3.5 83.5 5 4-M3
[3.29]
[0.2]
Mounting Hole
CN2
CN1
5
FG
1 Output(-)
2
Output(+)
3
Input(N)
Voltage adjust
1
Input(L)
Output(-)
CN1
CN2
(LFA10F-3R3-Y or optional)
5 Output(+)
FG
1
2-f3.5
2
Input(N) 3
Mounting Hole
0.5
5 63.5
Input(L) 1
[0.2] [2.5]
Name plate 73.5
[2.89]
Point A Point B
93.5
[3.68]
f3.5 0.5 5
83.5
[3.29] [0.2]
1
PCB t=1.6
1 Surface mount device
2-M3
Mounting Hole
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.
<PIN CONNECTION>
Point A, Point B are thermometry points. Please refer to
Instruction Manual 3.
CN1 CN2
Tolerance : 1 [0.04]
I/O Connector Mating connector Terminal Pin No. Input Pin No. Output
Weight : 55g max (with chassis & cover : 150g max)
Chain 1123721-1 AC(L)
1
CN1 1-1123724-3 1-1123722-5 1-V
PCB material / thickness : CEM3 / 1.6mm
Loose 1318912-1
2
Optional chassis and cover material : Electric galvanizing steel board.
Chain 1123721-1
AC(N)
3
CN2 1-1123723-2 1-1123722-2
Loose 1318912-1 2+V Dimensions in mm, [ ]=inches
4
Mounting torque (Mounting hole of chassis) : 0.6N-m (6.3kgf-cm) max
(Mfr:Tyco Electronics)
FG
5
I/O Connector is Mfr. Tyco Electronics
Option:-J1:(J.S.T) connector type. Refer to Instruction Manual 5.
LFA-3
4max 18 50
[1.97]
[0.16] [0.71]
400.5 5
[1.57]
[0.2]
31.7
[1.25]
0.5
30 15
[1.18] [0.59]
3.5
[0.14]
16 11
3.5
[0.63] [0.43]
[0.14]
30
32
[1.18]
[1.26]
60
[2.36]