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E0515T-1W Datasheet(PDF) 2 Page - MORNSUN Science& Technology Ltd.

No. de pieza E0515T-1W
Descripción Electrónicos  DUAL/SINGLE OUTPUT DC-DC CONVERTER
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Fabricante Electrónico  MORNSUN [MORNSUN Science& Technology Ltd.]
Página de inicio  http://www.mornsun-power.com
Logo MORNSUN - MORNSUN Science& Technology Ltd.

E0515T-1W Datasheet(HTML) 2 Page - MORNSUN Science& Technology Ltd.

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MORNSUN reserves the copyright
Specifications subject to change without notice.
F_T-1W &E_T-1W
A/1-2008
Page 2 of 2
COMMON SPECIFICATIONS
APPLICATION NOTE
Item
Test Conditions
Min
Typ
Max
Units
Storage humidity
95
%
Operating temperature
-40
85
Storage temperature
-55
125
Temp. rise at full load
15
25
Lead temperature
1.5mm from case for 10 seconds
260
°C
Cooling
Free air convection
Package material
Epoxy Resin(UL94-V0)
Short circuit protection*
1
Second
MTBF
3500
K hours
Weight
1.71
g
*Supply voltage must be discontinued at the end of short circuit duration.
TYPICAL CHARACTERISTICS
Operating Temp.( C)
o
RECOMMENDED REFLOW SOLDERING PROFILE
0
50
100
150
200
250
Ti me ( s ec .)
22 0C
o
1 0
Max
Sec
26 0C
o
90
Max
( >220 C)
o
Sec
OUTLINE DIMENSIONS & FOOTPRINT DETAILS
2
1
8
Vin
GND
0V
+Vo
NC
Vin
GND
-Vo
+Vo
0V
Others
NC
NC
RECOMMENDED FOOTPRINT
Top view,grid:2.54*2.54mm(0.1*01inch)
First Angle Projection
FOOTPRINT DETAILS
Pin
Single
Dual
Note:
Unit:mm(inch)
Pin section:0.50*0.30mm(0.020*0.012inch)
Pin section tolerances: 0.10mm( 0.004inch)
General tolerances: 0.15mm( 0.006inch)
Top View
Side View
2.00
(0.079)
(0.039)
Sigle/Dual output
7
8
10
11
12
0.60
(0.024)
2.54
(0.100)
1.30
NC:No Connection
7
8
10
11
12
Requirement on output load
To ensure this module can operate efficiently and
reliably, During operation, the minimum output load is
not less than 10% of the full load, and that this product
should never be operated under no load! If the actual
output power is very small, please connect a resistor with
proper resistance at the output end in parallel to increase
the load, or use our company
’s products with a lower
rated output power (E _T-W2/F_T-W2 Series).
Recommended testing circuit
If you want to further decrease the input/output ripple,
an
“LC” filtering network may be connected to the input
and output ends of the DC/DC converter, see (Figure 1).
Vin
GND
+Vo
0V
DC
Cin
L
L
DC
L Cout
Cout
-Vo
Dual O utput
L
Single Output
Vin
GND
+Vo
0V
DC
Cin
L
DC
Cout
(Figure 1)
It should also be noted that the inductance and the
frequency of the
“LC” filtering network should be
staggered with the DC/DC frequency to avoid mutual
interference. However, the capacitance of the output filter
capacitor must be proper. If the capacitance is too big, a
startup problem might arise. For every channel of output,
provided the safe and reliable operation is ensured, the
greatest capacitance of its filter capacitor sees (Table 1).
EXTERNAL CAPACITOR TABLE (Table 1)
Vin
(VDC)
Cin
(uF)
Single
Vout
(VDC)
Cout
(uF)
Dual
Vout
(VDC)
Cout
(uF)
3.3/5
4.7
5
10
±3.3/5
4.7
12
2.2
9
4.7
±9
2.2
-
-
12
2.2
±12
1
-
-
15
1
±15
1
It
’s not recommended to connect any external capacitor in
the application field with less than 0.5 watt output.
Output
Voltage
Regulation
and
Over-voltage
Protection Circuit
The simplest device for output voltage regulation,
over-voltage and over-current protection is a linear
voltage
regulator
with
overheat
protection
that
is
connected to the input or output end in series (Figure2).
Vin
GND
0V
+Vout
DC DC
-Vout
R EG
REG
REG
Dual O u tput
S ingle O utput
Vin
GND
0V
+Vout
DC DC
R EG
REG
(Figure2)
Overload Protection
Under normal operating conditions, the output circuit of
these products has no protection against overload. The
simplest method is to connect a self-recovery fuse in
series at the input end or add a circuit breaker to the
circuit.
No parallel connection or plug and play.


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