MEAN WELL LPH-18-24 数据表
Mechanical Specification
Unit:mm
Derating Curve
Static Characteristics
AMBIENT TEMPERATURE (℃)
L
O
A
D (
%
)
-30
0
10
20
30
40
50
70
20
40
60
80
100
(HORIZONTAL)
Block Diagram
DETECTION
PWM
CIRCUIT
EMI FILTER
POWER
SWITCH-
FILTER
&
RECTIFIERS
+V
-V
-V
I/P
ING
CONTROL
50
18W Single Output Switching Power Supply
L P H - 1 8
s e r i e s
UL 1015 18AWG
+V(Red)
-V(Black)
UL 1015 18AWG
INPUT VOLTAGE (VAC) 60Hz
180
190
200
220
210
230
250
240
264
L
O
A
D (
%
)
90
100
80
70
60
50
40
fosc : 60KHz
RECTIFIERS
60
140
3
0
2
2
A
C I
N
D
C O
U
T
AC/N(Blue)
AC/L(Brown)
300 20
±
300 20
±
ψ
3.6
ψ
3.6
3.5
3
.5
3.5
3
.5
File Name: LPH-18-SPEC 2014-05-22
Recommend Mounting Direction
20
T case
※ T case: Max. Case Temperature
56