OUTPUT SPECIFICATIONS
Item
Output Power
Positive Voltage Accuracy
Negative Voltage Accuracy
Load Regulation
Test Conditions
See above products program
Refer to recommended circuit
Refer to recommended circuit
From 10% To 100% load
±1
±3
±0.5
±0.2
0.02
30
75
300
50
150
KHz
Min
Typ
Max
5
±3
±5
±1*
±0.5
%/°C
mVp-p
%
Units
W
APPLICATION NOTE
Recommended Circuit
All the URA_D-5W & URB_D-5W Series have
been
tested
according
to
the
following
recommended testing circuit
before leaving
factory. This series should be tested under load.
Never be tested under no load (see Figure 1).
Dual Output
Vin
Ci n
Line Regulation(at full load) Input voltage from low to high
Temperature Drift(Vout)
Ripple**
Noise**
Switching Frequency
Refer to recommended circuit
20MHz bandwidth
20MHz bandwidth
100% load, nominal Input voltage
+Vout
DC
DC
0V
-Vout
GND
Single Output
Vin
Cin
*
Dual output models unbalanced load:
±5%.
**
Test ripple and noise by
“parallel
cable” method. See detailed operation instructions at Testing of
Power Converter section, application notes.
Note:
1.All specifications measured at T
A
=25°C, humidity<75%, nominal input voltage and rated output load unless
otherwise specified.
2. See below recommended circuits for more details.
+Vout
DC
DC
0V
GND
(Figure 1)
If you want to further decrease the output ripple,
TYPICAL CHARECTERISTICS
Temperature Derating Graph
you can increase capacitance properly or choose
capacitors
with
low
ESR.
However,
the
capacitance should not be too high. (Table 1).
External Capacitor Table(Table 1)
Vin
Cin
Vout
Cout
(VDC)
(uF)
(VDC)
12
24
48
--
100
100
100
--
5
12
15
24
100uF/
1A
Operating Temp.(
C
)
OUTLINE DIMENSIONS & FOOTPRINT DETAILS
27.50 (1.083)
10.16 10.16
(0.400) (0.400)
27.50(1.083)
20.32(0.800)
3
Bottom View
First Angle Projection
RECOMMENDED FOOTPRINT
Top
view,grid:2.54mm(0.1inch),
diameter:1.00mm(0.039inch)
Dual Output
Single Output
5.08
(0.200)
0.50
9.70
(0.020) (0.382)
Side View
4.10
Note:
Unit:mm(inch)
Pin diameter:0.80mm(0.031inch)
Pin diameter tolerances: 0.05mm( 0.002inch)
General tolerances: 0.25mm( 0.010inch)
FOOTPRINT DETAILS
Pin
Single
Dual
GND
1
GND
Vin
Vin
2
+Vo
+Vo
3
No Pin
0V
4
-Vo
0V
5
MORNSUN reserves the copyright
Specifications subject to change without notice.
URA_D-5W & URA_D-5W
A/3-2008
Page 2 of 2
MORNSUN [ MORNSUN SCIENCE& TECHNOLOGY LTD. ]
