TDK-Lambda LS Series - Page 5


・All specifications are subject to change without notice.
LS
25
LS25 Outline Drawing
NOTES
A. MODEL NAME, INPUT VOLTAGE RANGE, NOMINAL OUTPUT VOLTAGE, MAXIMUM OUTPUT CURRENT & COUNTRY OF MANUFACTURE
ARE SHOWN IN ACCORDANCE WITH THE SPECIFICATION.
B. M3 TAPPED, EMBOSSED & COUNTERSUNK HOLES (4) FOR CUSTOMER CHASSIS MOUNTING.
SCREWS MUST NOT PROTRUDE INTO POWER SUPPLY BY MORE THAN 4mm.
C. UNLESS OTHERWISE SPECIFIED, DIMENSION TOLERANCE = ±0.3mm.
AC(L)
AC(N)
(FG)
-V
+V
L N
ADJ
-V +V
+
(AC)
LED
VOLTAGE
ADJUSTMENT
SEE NOTE B
NAME PLATE
28.5±1.0
14
2.5
66.5±0.3
79±1.0
10.5
55±0.3
51±1.0
25.4±0.3
14 max.
5-M3
(SEE NOTE B)
(10.6)
(12.1)
44.8
(5.6)
7.62
(6.5)
SEE NOTE A
LS25 Output Derating
TB1
*COOLING : CONVECTION COOLING
STANDARD MOUTINGLOAD (%)
Ta (°C)
-25 to +40
50
70
100
86.7(3.3V),100(OTHERS)
60
OUTPUT DERATING CURVE
LOAD(%)
120
100
80
60
40
20
0
Ta(
°C
)
-25 0 25 50 75 100
70
7040
Others
3.3V