FEATURES
● Efficiency up to 89%
● 4:1 wide input voltage range
● Low temperature rise
● Short circuit protection
● 3KVAC isolation
URF_LP-20W SERIES
20W,WIDE INPUT, HIGH ISOLATED & REGULATED
SINGLE OUTPUT DC-DC CONVERTER
● Operating temperature range:
-40°C ~ +85°C
● Industry standard pinout
● Industrial level specifications
● Meet CISPR22/EN55022 CLASS A
Patent Protected RoHS
APPLICATION
PART NUMBER SYSTEM
URF_LP-20W series are applied to wide voltage
range input situation such as power systems, data
transmission device, battery power supply device,
telecommunication device, distributed power supply
system, remote control system, industrial robot system
etc.
URF2405LP-20W
Rated Power
Package Style
Output Voltage
Input Voltage
Product Series
SELECTION GUIDE
Input Current
(mA)(typ.)
Reflected
Ripple
Current
③
Input Voltage(VDC)
Output Output Current (mA)
Voltage
Max.
Capacitive
Load (µF)
Efficiency
①
(%, typ.)
@Max. Load
Nominal
(Range)
@Max.
②
Model
(VDC)
Max.
Min.
@No Load
Max
(mA,typ.)
Load
URF2405LP-20W
URF2412LP-20W
URF2415LP-20W
URF2424LP-20W
URF4805LP-20W
URF4812LP-20W
URF4815LP-20W
URF4824LP-20W
5
4000
1667
1334
834
200
84
947
60
15
15
20
35
10
10
10
10000
1600
1000
500
88
88
89
89
88
88
89
89
12
15
24
5
947
937
937
473
473
469
469
24
40
(9-36)
67
42
30
4000
1667
1334
834
200
84
10000
1600
1000
500
12
15
24
48
80
(18-75)
67
42
Note: ①series with suffix “A2S” are chassis mounting,with suffix “A4S” are DIN-Rail mounting,
for example URF2405LP-20WA2S is chassis mounting ,URF2405LP-20WA4S is DIN-Rail mounting ;
②Absolute maximum rating without damage on the converter;
③The efficiency of "A2S" and "A4S" is approx. 2% lower for the protection of inverse polarity.
INPUT SPECIFICATIONS
Item
Test Conditions
24VDC input
Min.
-0.7
-0.7
--
Typ.
--
Max.
50
100
9
Unit
Input Surge Voltage (1sec.max.)
48VDC input
--
24VDC input
--
VDC
Start-up Voltage
48VDC input
--
--
17.8
--
24VDC input
7.8
16
--
--
Under Voltage Shutdown
Start-up Time
48VDC input
--
Nominal input& constant resistance load
Models ON
--
10
--
ms
Ctrl open or connect TTL high level (2.5-12VDC)
Ctrl connect GND or low level (0-1.2VDC)
Models OFF
Ctrl*
Input current (Models OFF)
--
1
--
mA
Input Filter
Pi Filter
Note: *The Ctrl control pin voltage is refer to GND.
The copyright and authority for the interpretation of the products are reserved by MORNSUN
URF_LP-20W
2013.05.24-A/1
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