TDK-Lambda LS Series User Manual - Ls25 Specifications
・All specifications are subject to change without notice.
LS
25
MODEL
ITEMS/UNITS
LS25-3.3
LS25-5
LS25-12
LS25-15
LS25-24
LS25-36
LS25-48
Input
Voltage Range
(*2) V
AC88 to 264 or 125 to DC373 (Withstand AC300 Surge for 5 seconds)
Frequency
(*2) Hz
47-63
Efficiency(230VAC)(typ)
(*1) %
75
79
83
84
85
Current(115/230VAC)(typ)
(*1) A
0.7 / 0.4
Inrush Current(typ)
(*3) A
30A at 230VAC, Ta=25°C (Cold Start)
Leakage Current
(*10) mA
Output
Nominal Voltage
VDC
3.3
5
12
15
24
36
48
Maximum Current
A
6
5
2.1
1.7
1.1
0.75
0.57
Maximum Power
W
19.8
25
25.2
25.5
26.4
27
27.36
Maximum Line Regulation
(*5)(*6) mV
20
48
60
96
144
192
Maximum Load Regulation
(*5)(*7) mV
40
96
120
192
288
384
Temperature Coefficient
Less than 0.02%/°C
Maximum Ripple & Noise
(*1)(*4) mVp-p
80
120
150
200
Hold-up Time(115/230VAC)(typ)
(*1) ms
14 / 80
Voltage Adjustable Range
VDC 2.85 to 3.6
4.5 to 5.5
10.8 to 13.2
13.5 to 16.5
22 to 27.6
32 to 40
42 to 54
Function
Over Current Protection
(*8) A
> 110% rated output current
Over Voltage Protection
(*9) VDC
> 120% nominal output voltage
Series Operation
Possible
Environment
Operating Temperature
(*11) °C
- 25 to + 70 (Refer to Output Derating Curve)
Storage Temperature
°C
- 40 to +85
Operating Humidity
%RH
20 to 90 (No dewdrop)
Storage Humidity
%RH
10 to 95 (No dewdrop)
Vibration
At no operating, 10 - 55Hz (sweep for 1min)
19.6m/s² Constant, X, Y, Z 1hour each.
Shock(In package)
Less than 196.1m/s²
Cooling
Convection cooling
Isolation
Withstand Voltage
Input - Output : 3.0kVAC (20mA), Input - FG : 1.5kVAC (20mA)
Output - FG : 500VAC (100mA) for 1min.
Isolation Resistance
Input - FG, Input - Output and Output - FG: More than 100M
Ω (500VDC) at 25°C and 70%RH
Standards
Safety Standards
Approved by UL60950-1, EN60950-1, IEC60950-1
PFHC
Built to meet IEC61000-3-2, -3
EMI
Built to meet EN55011/EN55022-B, FCC-B
Immunity
Built to meet EN61000-4-2 (Level 2,3), -3 (Level 3), -4 (Level 3),
-5 (Level 3), -6 (Level 3), -8 (Level 4), -11
Mechanical
Weight(typ)
g
170
Size (W×H×D)
mm
79 x 51 x 28 (Refer to Outline Drawing)
(*1) At Maximum Output Power, nominal input voltage, Ta = 25
°C
.
(*2) For cases where conformance to various safety specs ( UL, CSA, EN ) are required, to be described as 100 - 240VAC, 50 / 60Hz on name plate.
(*3) Not applicable for the in-rush current to Noise Filter for less than 0.2mS.
(*4) Ripple & noise are measured at 20MHz by using a 300mm twisted pair of load wires terminated with a 0.1uF film capacitor and a 47uF
electrolytic capacitor.
(*5) Measure line & load regulation at output terminal M3 tapped point.
(*6) 88 - 264VAC, constant load.
(*7) No load - Full load (Maximum power ), constant input voltage.
(*8) Current limit with automatic recovery.
Avoid to operate at overload or dead short for more than 30 seconds.
(*9) Over voltage clamp by zener diode, hiccup mode.
(*10) Measured by each measuring method of UL and EN (at 60Hz), Ta = 25
°C
.
(*11) Refer to Output Derating Curve (PA580-01-02_) for details of output derating versus ambient temperature.
(*12) All parameters NOT specifically mentioned are measured at 230VAC input, rated load and Ta = 25
°C
.