B0503S/D-W2 MORNSUN [MORNSUN Science& Technology Ltd.], B0503S/D-W2 Datasheet - Page 2

• Manufacturer Part Number: B0503S/D-W2
• Description: SINGLE OUTPUT DC-DC CONVERTER
• Manufacturer: MORNSUN [MORNSUN Science& Technology Ltd.]

The copyright and authority for the interpretation of the products are reserved by Mornsun
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 (Figure 2).
No parallel connection or plug and play
connected to the input and output ends of the DC/DC converter, see (Figure 1).
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. It’s not recommended to connect any external
capacitor in the application field.
Output Voltage Regulation and Over-voltage Protection Circuit
Overload Protection
Requirement on output load
minimum output load is not less than 10% of the full load, and that this product should
never be operated under no load!
connect a resistor with proper resistance at the output end in parallel to increase the load.
Recommended circuit
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.
Item
Output power
Line regulation
Load regulation
Output voltage accuracy
Temperature drift
Ripple & Noise*
Switching frequency Full load, nominal input
*Test ripple and noise by “parallel cable” method. See detailed operation instructions at Testing of
Power Converter section, application notes.
OUTPUT SPECIFICATIONS
TYPICAL CHARACTERISTICS
It should also be noted that the inductance and the frequency of the “LC” filtering
If you want to further decrease the input/output ripple, an “LC” filtering network may be
To ensure this module can operate efficiently and reliably, During operation, the
Under normal operat ing conditions, the output circuit of these products has no
100% full load
20MHz Bandwidth
Test conditions
For Vin change of 1%(3.3V output)
For Vin change of 1%(others output)
10% to 100% load(3.3 output)
10% to 100% load (5V output)
10% to 100% load (9V output)
10% to 100% load (12V output)
10% to 100% load (15V output)
If the actual output power is very small, please
Min.
See tolerance envelope graph
12.8
Typ.
110
8.3
6.8
6.3
15
50
Max.
±1.5
±1.2
0.25
0.03
20
15
15
15
15
75
mVp-p
Units
%/°C
KHz
W
%
APPLICATION NOTE
RECOMMENDED CIRCUIT
Specifications subject to change without notice.
B_S(D)-W2
GND
GND
GND
Vin
Vin
Vin
Cin
REG
L
Operating Temp.( C)
DC DC
A/4-2009
(Figure 1)
(Figure 2)
DC
DC DC
DC
o
REG
Page 2 of 3
L
Cout
+Vo
0V
+Vo
0V
+Vo
0V