D-NXT-2W Series
2W, FIXED INPUT, ISOLATED & UNREGULATED TWIN OUTPUT ULTRAMINIATURE SMD PACKAGE DC-DC CONVERTER
SELECTION GUIDE
Input
Voltage(VDC)
Nominal
Reflected
Ripple
Max.
Efficiency
(%, typ.)
@Max.
Load
Output Current (mA)
Input Current(mA)(typ.)
Output
Voltage
(VDC)
Capacitive
Load(µF)
Model Number
Current
(mA,typ.)
@Max.
@No Load
Load
Max.
Min.
(Range)
5(4.5-5.5)
5(4.5-5.5)
5(4.5-5.5)
5(4.5-5.5)
12(10.8-13.2)
12(10.8-13.2)
12(10.8-13.2)
12(10.8-13.2)
5/5
9/9
200/200
20/20
12/12
9/9
478
482
483
470
199
200
198
196
32
48
55
29
19
20
18
18
50
42
32
27
25
27
24
25
100
100
100
100
100
100
100
100
82
83
84
85
82
83
84
85
D050505NXT-2W
D050909NXT-2W
D051212NXT-2W
D051515NXT-2W
D120505NXT-2W
D120909NXT-2W
D121212NXT-2W
D121515NXT-2W
112/112
84/84
FEATURES
◆Efficiency up to 85%
12/12
15/15
5/5
67/67
7/7
◆Twin Independent Output
◆Small Footprint
200/200
112/112
84/84
20/20
12/12
9/9
9/9
12/12
15/15
◆SMD Package Styles
◆No Heatsink Required
◆1KVDC Isolation
67/67
7/7
Note: The D_NXT-1W series also are available in our company.
◆High Power Density
◆Temperature Range: -40℃~ +85℃
◆No External Component Required
◆Internal SMD construction
◆ RoHS Compliance
INPUT SPECIFICATIONS
Item
Test Conditions
5VDC Input Models
12VDC Input Models
Min.
Typ.
Max.
9
Units
VDC
Input Surge Voltage (1sec. max.)
Input Surge Voltage (1sec. max.)
Input Filter
-0.7
-0.7
--
--
18
VDC
MODEL SELECTION
⑧
①
②
③
④
⑤
⑥
⑦
C Filter
D 05 05 05 N X T -2W
①Product Series
②Input Voltage
③The 1st Output Voltage ④The 2nd Output Voltage
⑤No Pin
⑦SMD Package
⑥Fixed Input
⑧Rated Power
APPLICATIONS
The D_NXT-2W series are specially designed for
applications where a group of polar power supplies are
isolated from the input power supply in a distributed
power supply system on a circuit board. These products
apply to:
ISOLATION SPECIFICATIONS
Item
Test Conditions
Min.
0.2
Typ.
--
Max.
2
Units
W
1)Where the voltage of the input power supply is fixed
(voltage variation ≤10%);
Output Power
2)Where isolation is necessary between input and
output (isolation voltage ≤1000VDC);
Output Voltage Accuracy
Line Regulation
Load Regulation
Load Regulation
Load Regulation
Load Regulation
Temperature Drift
Ripple & Noise*
Short Circuit Protection**
See tolerance envelope graph
For Vin change of ±1%
10% to 100% load (5V output)
10% to 100% load (9V output)
10% to 100% load (12V output)
10% to 100% load (15V output)
100% full load
--
--
--
--
--
--
--
--
--
12.8
8.3
6.8
6.0
--
±1.2
15
%
%
3)Where the regulation of the output voltage and the
output ripple and noise are not demanding.
Such as:purely digital circuits,ordinary low frequency
analog circuits and IGBT power device driven circuits,
etc.
10
%
10
%
10
%
±0.03
150
1
%/℃
mVp-p
S
20MHz Bandwidth
75
--
Note: *Test ripple and noise by“Parallel cable”method. See detailed operation instructions at Testing of Power
Converter section, application notes.
**Supply voltage must be discontinued at the end of short circuit duration.
MICRODC RESERVES THE COPYRIGHT
http://www.microdc.cn
Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646
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