H-XD-1W&G-XD-1W Series
Recommended testing and application circuit
If you want to further decrease the input/output ripple, an
OUTPUT SPECIFICATIONS
“LC”filtering network may be connected to the input and output
Item
Test conditions
Min
0.1
Typ
Max
1
Units
ends of the DC/DC converter, see (Figure 1).
Output power
Line regulation
W
For Vin change of 1%
±1.2
15
10% to 100% load 5V output
10% to 100% load 9V output
10% to 100% load 12V output
10% to 100% load 15V output
10
8.3
6.8
6.3
%
15
Load regulation
15
15
Output voltage accuracy
Temperature drift
See tolerance envelope graph
It should also be noted that the inductance and the
100% full load
0.03
200
%/℃
frequency of the "LC" filtering network should be staggered with
the DC/DC frequency to avoid mutual interference. However,
mVp-p
Ripple & Noise*
20MHz Bandwidth
150
the capacitance of the output filter capacitor must be proper.
If the capacitance is too big,
a startup problem might arise.
Full load
5V input
12V input
250
50
Switching frequency
KHz
For every channel of output, provided the safe and reliable
operation is ensured, the greatest capacitance of its filter capacitor sees
(Table 1).
nominal input
*Test ripple and noise by "parallel cable"method. See detailed operation instructions at Testing of Power
Converter section, application notes.
EXTERNAL CAPACITOR TABLE (Table 1)
Single
Vout
(VDC)
5
Dual
Vout
(VDC)
±5
Vin
Cin
Cout
(uF)
Cout
(uF)
Note: Dual output models unbalanced load: ±5%.
(VDC)
(uF)
5
12
24
-
4.7
2.2
1
10
4.7
2.2
1
4.7
2.2
1
TYPICAL CHARACTERISTICS
9
±9
12
±12
±15
-
15
1
It not recommend 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 (Figure 2).
Dual Output
OUTLINE DIMENSIONS & PIN CONNECTIONS
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
Note:
1. All specifications measured at Ta=25, humidity<75%,nominal input
voltage and rated output load unless otherwise specified.
2. Only typical models listed, other models may be different,
please contact our technical person for more details.
3. Operation under minimum load will not damage the
converter; However, they may not meet all specification listed.
RoHS COMPLIANT INFORMATION
This series is compatible with RoHS soldering systems with a peak wave
solder temperature of 300°C for 10 seconds.
The pin termination finish on the SIP package type is Tin Plate, Hot Dipped
over Matte Tin with Nickel Preplate. The DIP types are Matte Tin over
Nickel Preplate. Both types in this series are backward compatible with
Sn/Pb soldering systems.
Microdc Professional Power Module,Inc.
Tel:0086-20-86000646 E-mail:tech@microdc.cn
Website:http://www.microdc.cn
REACH COMPLIANT INFORMATION
Microdc Professional Power module,Inc.makes no representation that
the use of its products in the circuits described herein, or the use of other
technical information contained herein, will not infringe upon existing or
future patent rights. Specifications are subject to change without notice.
2010 Microdc Professional Power Module, Inc. Guangzhou
This series has proven that this product does not contain harmful
chemicals, it also has harmful chemical substances through the
registration, inspection and approval.
http://www.microdc.cn
Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646
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