Data Sheet

AC/DC 35W Enclosed Switching Power Supply
LM35-20Bxx, LM35-20Bxx-C, LM35-20Bxx-Q Series
2020.05.08-A/5 Page 1 of 4
MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
Selection Guide
Certification
Part No.*
Output
Power(W)
Nominal Output Voltage
and Current (Vo/Io)
Output Voltage
Adjustable Range(V)
Max. Capacitive
Load (µF)
UL, CE, CB,
CCC
LM35-20B05
35
5V/7A
4.5-5.5
8000
LM35-20B12
36
12V/3A
10.2-13.8
1500
LM35-20B15
15V/2.4A
13.5-18
1000
LM35-20B24
24V/1.5A
21.6-28.8
750
Note
*Use suffix “C” for terminal with protective cover and suffix “Q” for conformal coating.
Input Specifications
Item
Operating Conditions
Min.
Typ.
Max.
Unit
Input Voltage Range
AC input
85
--
264
VAC
DC input
120
--
373
VDC
Input Voltage Frequency
47
--
63
Hz
Input Current
115VAC
--
--
0.8
A
230VAC
--
--
0.6
Inrush Current
115VAC
Cold start
--
30
--
230VAC
--
50
--
leakage current
240VAC
0.75mA
Hot Plug
Unavailable
Output Specifications
Item
Operating Conditions
Min.
Typ.
Max.
Unit
Output Voltage Accuracy
Full load range
5V
--
±2
--
%
12V/15V/24V
--
±1
--
Line Regulation
Rated load
--
±0.5
--
Load Regulation
0% - 100% load
5V
--
±1
--
12V/15V/24V
--
±0.5
--
Ripple & Noise*
20MHz bandwidth
(peak-to-peak value)
5V
--
80
--
mV
12V/15V
--
120
--
24V
--
150
--
Temperature Coefficient
--
±0.03
--
%/
CB RoHS
FEATURES
Universal 85 - 264VAC or 120 - 373VDC input voltage
Accepts AC or DC input (dual-use of same terminal)
Operating ambient temperature range: -30°C to +70°C
Low standby power consumption, high efficiency
High I/O isolation test voltage up to 4000VAC
Low ripple & noise
Output short circuit, over-current, over-voltage protection
IEC/EN/UL62368, IEC/EN60335, GB4943, IEC/EN61558
safety approval
Withstand 300VAC surge input for 5s
Over-voltage class (designed to meet EN61558)
Operating altitude up to 5000m
LM35-20Bxx series is one of Mornsun’s enclosed AC-DC switching power supply. It features universal AC input and at the same time accepts
DC input voltage, cost-effective, low no load power consumption, high efficiency and high reliability. These converters offer excellent EMC
performance and meet IEC/EN61000-4, CISPR32/EN55032, IEC/UL/EN62368, IEC/EN60335, GB4943, IEC/EN61558 standards and they are
widely used in areas of industrial, LED, street light control, electricity, security, telecommunications, smart home etc.

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