URF2412LP-20WR3 [MORNSUN]
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| 型号： | URF2412LP-20WR3 |
| 厂家： | 
MORNSUN SCIENCE& TECHNOLOGY LTD. |
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DC/DC Converter
URF_LP-20WR3 Series
20W,Ultra wide input, isolated & regulated single
output , DIP package, DC-DC converter
FEATURES
Ultra wide input voltage range (4:1)
High efficiency up to 89%
No-load power consumption as low as 0.12W
Isolation voltage :3K VDC
Input under-voltage protection, output short
circuit, over-voltage, Over-current protection
Operating temperature range: -40℃ to +85℃
Meet CISPR22/EN55022 CLASS A
Reverse voltage protection available with
A2S(Chassis mounting) or A4S(DIN-Rail mounting)
IEC60950, UL60950, EN60950 approval
International standard pin-out
CB
Patent Protection RoHS
URF_LP-20WR3 series are isolated 20W DC-DC products with 4:1 input voltage. They feature efficiency up to 89%, 3000VDC isolation,
operating temperature of -40 ℃ ~+85 ℃ , Input under-voltage protection, output short circuit protection, over-voltage protection,
over-current protection and EMI meets CISPR22/EN55022 CLASS A, which make them widely applied in power industry, data transmission
device, battery power supply device, tele-comunication device, distributed power supply system, remote control system, industrial robot
system etc. And extension package A2S and A4S also enable them with reverse voltage protection.
Selection Guide
③
Input Voltage (VDC)
Nominal
(Range)
Output
Efficiency
(%,Min./Typ.)
@ Full Load
Max. Capacitive
Load(µF)
①
Part No.
Certification
Output Voltage
(VDC)
Output Current (mA)
②
Max.
(Max./Min.)
5000/0
4000/0
2222/0
1667/0
1334/0
833/0
URF2403LP-20WR3
URF2405LP-20WR3
URF2409LP-20WR3
URF2412LP-20WR3
URF2415LP-20WR3
URF2424LP-20WR3
URF4803LP-20WR3
URF4805LP-20WR3
URF4812LP-20WR3
URF4815LP-20WR3
URF4824LP-20WR3
3.3
5
84/86
87/89
86/88
86/88
87/89
87/89
84/86
86/88
86/88
87/89
87/89
10000
10000
4700
1600
1000
500
9
24
(9-36)
40
12
15
24
3.3
5
UL/CE/CB
5000/0
4000/0
1667/0
1334/0
833/0
10000
10000
1600
1000
500
48
(18-75)
80
12
15
24
Notes：
① product model with a suffix of “A2S” means chassis mounting and that with a suffix of “A4S” indicates DIN-Rail mounting (e.g. URF2405LP-20WR3A2S means
chassis mounting; URF2405LP-20WR3A4S means DIN-Rail mounting );
②Absolute maximum rating without damage on the converter, but it isn't recommended;
③Efficiency is measured In nominal input voltage and rated output load;A2S (wiring) and A4S (rail) Model due to input reverse polarity protection, minimum
efficiency greater than Min.-2 is qualified.
Input Specifications
Item
Operating Conditions
3.3V output
Min.
--
Typ.
799/40
936/40
947/9
400/20
473/20
473/5
30
Max.
819/45
958/45
969/12
410/25
485/25
485/8
--
Unit
mA
24VDC input
--
5V output
--
Other output
3.3V output
5V output
Input Current (full load / no-load)
--
48VDC input
--
--
Other output
24VDC input
48VDC input
--
Reflected Ripple Current
--
30
--
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MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
DC/DC Converter
URF_LP-20WR3 Series
24VDC input
48VDC input
24VDC input
48VDC input
24VDC input
48VDC input
-0.7
-0.7
--
--
--
50
100
9
Input impulse Voltage (1sec. max.)
Starting Voltage
--
VDC
ms
--
--
18
6.5
15.5
10
5.5
14.0
--
--
--
--
under-voltage turn-off
①
Starting Time
Input Filter
Nominal input& constant resistance load
Pi filter
Unavailable
Hot Plug
Module switch on
Ctrl suspended or connected to TTL high level (3.5-12VDC)
Ctrl pin connected to GND or low level (0-1.2VDC)
Module switch off
Ctrl*
Input current when switched off
mA
--
4
7
Note: *The voltage of Ctrl pin is relative to input pin GND.
Output Specifications
Item
Operating Conditions
Min.
--
Typ.
±1
Max.
Unit
Output Voltage Accuracy
0%-100% load
±3
Full load, the input voltage is from low voltage to
high voltage
Line Regulation
--
±0.2
±0.5
%
Load Regulation
0%-100% load
--
--
±0.5
300
±5
±3
--
±1
500
±8
Transient Recovery Time
µs
%
25% load step change
3.3V,5V output
Others
--
Transient Response Deviation
--
±5
%/℃
mV p-p
%Vo
Temperature Drift Coefficient
Ripple & Noise*
Full load
--
±0.03
100
160
--
20MHz bandwidth,5%-100% load
Input voltage range
--
50
--
Over-voltage Protection
Output Voltage Regulation Trim
Over-current Protection
Short circuit Protection
110
--
±10
--
%Vo
110
190
%Io
Hiccup, continuous, self-recovery
Note: *Ripple and noise are measured by “parallel cable” method, please see DC-DC Converter Application Notes for specific operation.
0%-5% load ripple&Noise is no more than 5%Vo.
General Specifications
Item
Operating Conditions
Min.
Typ.
--
Max.
--
Unit
Input-output, with the test time of 1 minute and the
leak current lower than 1mA
Insulation Voltage
3000
VDC
Insulation Resistance
Isolation Capacitance
Operating Temperature
Storage Temperature
Storage Humidity
Input-output, insulation voltage 500VDC
Input-output, 100KHz/0.1V
1000
--
--
--
--
MΩ
500
pF
Derating if the temperature is ≥55℃ (see Fig. 1)
-40
-55
5
--
--
+85
+125
95
℃
Non-condensing
--
%RH
Pin Welding Resistance
Temperature
Welding spot is 1.5mm away from the casing, 10
seconds
℃
--
--
+300
Vibration
10-55Hz, 10G, 30 Min. along X, Y and Z
Switching Frequency *
MTBF
PWM mode
--
270
--
--
--
KHz
MIL-HDBK-217F@25
℃
1000
K hours
Note:*This series of products using reduced frequency technology, the switching frequency is test value of full load,When the load is reduced to below 50%, the
switching frequency decreases with decreasing load.
Physical Specifications
Casing Material
Plastic (UL94-V0)
Horizontal package
A2S wiring package
A4S rail package
51.50*26.50*12.00 mm
76.00*31.50*21.20 mm
76.00*31.50*25.80 mm
Package Dimensions
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MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
DC/DC Converter
URF_LP-20WR3 Series
Horizontal package/A2S wiring package/A4S rail package
24.00g/46.00g/66.00g (Typ.)
Free air convection
Weight
Cooling method
EMC Specifications
CISPR22/EN55022 CLASS A (Bare component)/
CLASS B (see Fig.3-② for recommended circuit)
CISPR22/EN55022 CLASS A (Bare component)/
CLASS B (see Fig.3-② for recommended circuit)
CE
EMI
RE
ESD
RS
IEC/EN61000-4-2 Contact ±4KV
perf. Criteria B
IEC/EN61000-4-3 10V/m
perf. Criteria A
perf. Criteria B
perf. Criteria B
perf. Criteria A
IEC/EN61000-4-4 ±2KV (see Fig.3-① for recommended circuit)
IEC/EN61000-4-5 ±2KV (see Fig.3-①for recommended circuit)
IEC/EN61000-4-6 3 Vr.m.s
EFT
EMS
Surge
CS
Immunities of voltage dip,
drop and short interruption
IEC/EN61000-4-29 0-70%
perf. Criteria B
Product Characteristic Curve
Temperature Derating Curve
120
100
80
60
Safe Operating Area
40
20
0
-40
0
4055
85
120
Operating Temperature(℃)
Fig. 1
Design Reference
1. Typical application
All the DC/DC converters of this series are tested according to the recommended circuit (see Fig. 2) before delivery.
If it is required to further reduce input and output ripple, properly increase the input & output of additional capacitors Cin and Cout or
select capacitors of low equivalent impedance provided that the capacitance is no larger than the max. capacitive load of the product.
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MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
DC/DC Converter
URF_LP-20WR3 Series
+Vo
0V
Vin
Vin(VDC)
3.3/5
Cout(µF)
470
Cin(µF)
100
Cout
Cin
DC
DC
GND
9/12/15
24
220
Fig. 2
100
2. EMC solution-recommended circuit
Parameter description
Model
Vin:24V
Vin:48V
CY
1
LDM1
FUSE
FUSE
MOV
C0
Choose according to actual input current
V in
Vin
+Vo
0V
+
S20K30
330µF/50V
1µF/50V
S14K60
330µF/100V
1µF/100V
DC/DC
LOAD
C0
C1
C3
C2
MOV
GND
GND
①
②
C1/C2
C3
CY2
Refer to the Cout in Fig.2
LDM1
CY1
6.8mH
1nF/3KV
1nF/3KV
Fig. 3
Notes: Part ① in the Fig. 3 is used for EMS test and part ② for EMI filtering;
CY2
selected based on needs.
3. Application of Trim and calculation of Trim resistance
+Vot
+Vot
R1
RT
R1
R3
Vref
R2
Trim
R3
Vref
Trim
RT
R2
0V
Trim down
0V
Trim up
Applied circuits of Trim (Part in broken line is the interior of models)
Calculation formula of Trim resistance:
aR2
R2-a
Vref
Vo’-Vref
-R3
up:
RT=
a=
R1
RT is Trim resistance
a is a self-defined parameter, with
no real meaning.
aR1
R1-a
Vo’-Vref
Vref
down:
-R3
RT=
a=
R2
Vout(V)
R1(KΩ)
4.801
R2(KΩ)
2.87
R3(KΩ)
12.4
10
Vref(V)
3.3
5
1.25
2.5
2.5
2.5
2.5
2.5
2.883
2.87
9
7.500
2.87
15
12
15
24
11.000
14.494
24.872
2.87
15
2.87
15
2.87
17.8
4. It is not allowed to connect modules output in parallel to enlarge the power
5. For more information please find DC-DC converter application notes on www.mornsun-power.com
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MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
DC/DC Converter
URF_LP-20WR3 Series
Dimensions and Recommended Layout
THIRD ANGLE PROJECTION
∅
1.50 [∅
0.059]
12.00 [0.472]
Front View
5
4
3
6
1
2
1.00[ 0.039]
4.10 [0.161]
51.50 [2.028]
20.32 [0.800]
Note：Grid 2.54*2.54mm
Pin-Out
3
5
Pin
1
Function
GND
Vin
2
Bottom View
2
4
1
5.08 [0.200]
3
+Vo
Trim
0V
6
4
5
Note:
Unit :mm[inch]
6
Ctrl
Pin diameter tolerances :±0.10[±0.004]
General tolerances:±0.50[±0.020]
URF_LP-20WR3A2S Dimensions
THIRD ANGLE PROJECTION
76.00 [2.992]
61.60 [2.425]
LED lamp
Pin-Out
1
2
3
4
5
6
5
6
Pin
Function
1
2
3
4
Top View
Ctrl
GND
Vin
0V
Trim +Vo
2-∅3.30 [∅0.130]
Note:
Unit:mm[inch]
Front View
Wire range：24~12 AWG
General tolerances:±0.50[±0.020]
2016.01.13-A/3
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MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
DC/DC Converter
URF_LP-20WR3 Series
URF_LP-20WR3A4S Dimensions
THIRD ANGLE PROJECTION
76.00 [2.992]
61.60 [2.425]
LED lamp
Pin-Out
1
2
3
4
5
6
Top View
5
6
Pin
Function
1
2
3
4
Ctrl
GND
Vin
0V
Trim +Vo
Note:
Unit:mm[inch]
Front View
Wire range：24~12 AWG
General tolerances:±0.50[±0.020]
Note:
1. Packing information please refer to Product Packing Information which can be downloaded from www.mornsun-power.com.The
Packing bag number of Horizontal package : 58210039, the Packing bag number of A2S/ A4S package:58220022;
2. Recommend to use module with more than 5% load, if not, the ripple of the product may exceeds the specification, but does not The
maximum capacitive load offered were tested at nominal input voltage and full load;
3. Unless otherwise specified, parameters in this datasheet were measured under the conditions of Ta=25℃, humidity<75%RH with nominal
input voltage and rated output load;
4. All index testing methods in this datasheet are based on our Company’s corporate standards;
5. The performance parameters of the product models listed in this manual are as above, but some parameters of non-standard model
products may exceed the requirements mentioned above. Please contact our technicians directly for specific information;
6. We can provide product customization service;
7. Specifications are subject to change without prior notice.
Mornsun Guangzhou Science & Technology Co., Ltd.
Address: No. 5, Kehui St. 1, Kehui Development Center, Science Ave., Guangzhou Science City, Luogang District, Guangzhou, P. R. China
Tel: 86-20-38601850-8801
Fax: 86-20-38601272
E-mail: info@mornsun.cn
2016.01.13-A/3
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