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E_T-W2 & F_T-W2 Series
0.25W, FIXED INPUT, ISOLATED & UNREGULATED DUAL/SINGLE OUTPUT DC-DC CONVERTER UTRALMINIATURE SMD PACKAGE
Multi-country patent protection RoHS
PRODUCT PROGRAM FEATURES
Single Voltage Output SMD Package Style Industry Standard Pinout No Heat sink Required 3KVDC Isolation High Power Density Internal SMD construction Temperature Range: -40C~+85C No External Component Required RoHS Compliance
Part Number F0303T-W2 F0305T-W2 F0505T-W2 F0509T-W2 F0512T-W2 F0515T-W2 E0505T-W2 E0509T-W2 5 4.5-5.5 Nominal 3.3 Input Voltage (VDC) Range 3.0-3.6 Voltage (VDC) 3.3 5 5 9 12 15 5 9 12 15 5 9 12 12 10.8-13.2 15 5 9 12 15 Output Current (mA) Max 75 50 50 28 21 17 25 14 10.5 8.5 50 28 21 17 25 14 10.5 8.5 Min 8 5 5 3 2 2 3 2 1 1 5 3 2 2 3 2 1 1 60 60 64 65 67 66 64 65 67 66 65 64 63 64 65 64 63 64 Efficiency (%, Typ.)
APPLICATIONS
The E_T-W2&F_T-W2 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: 1) Where the voltage of the input power supply is fixed (voltage variation 10%); 2) Where isolation is necessary between input and output (isolation voltage 3000VDC); 3) Where the regulation of the output voltage and the output ripple noise are not demanding. Such as: purely digital circuits, ordinary low frequency analog circuits, and IGBT power device driving circuits.
E0512T-W2 E0515T-W2 F1205T-W2 F1209T-W2 F1212T-W2 F1215T-W2 E1205T-W2 E1209T-W2 E1212T-W2 E1215T-W2
OUTPUT SPECIFICATIONS
Item Output power Line regulation For Vin change of 1%(3.3V output) For Vin change of 1%(Others output) 3.3V output 15 12.8 8.3 6.8 6.3 Test Conditions Min Typ. Max 0.25 1.5 1.2 20 15 10 10 10 % Units W
MODEL SELECTION
Load regulation
5V output 10% to 100% load 9V output 12V output 15V output Output voltage accuracy Temperature drift Output ripple &Noise* Switching frequency 100% full load 20MHz Bandwidth Full load, nominal input
Rated Power Package S tyl e Output Voltage Input Voltage Product S eries
See tolerance envelope graph 0.03 50 100 75 %/C mVp-p KHz
MORNSUN Science& Technology co.,Ltd.
Address: 2th floor 6th building, Huangzhou Industrial District, Guangzhou, China Tel: 86-20-38601850 Fax:86-20-38601272 Http://www.mornsun-power.com
*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 TA=25C, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 2. See below recommended circuits for more details.
MORNSUN reserves the copyright
Specifications subject to change without notice.
F_T-W2&E_T-W 2
A/0-2007
Page 1 of 2
COMMON SPECIFICATION
Item Storage humidity Operating temperature Storage temperature Temp. rise at full load Lead temperature Cooling Isolation voltage Isolation resistance Short circuit protection* package material MTBF Weight
*Supply voltage must be discontinued at the end of short circuit duration.
APPLICATION NOTE
Min -40 -55 15 Typ Max 95 85 125 25 260 Free air convection 3000 1000 1 3500 1.71 VDC M second K hours g C Units % 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. Recommended 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).
L L
Test Conditions
1.5mm from case for 10 seconds Tested for 1 minute and 1mA max Test at 500VDC
Epoxy Resin(UL94-V0)
TYPICAL CHARACTERISTICS
Vin
Cin
+Vo
DC DC (Figure 1)
Cout
GND
0V
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
Operating Temp.(oC)
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
RECOMMENDED REFLOW SOLDERING PROFILE
250 Te mp eratu r e ( o C) 200 150 100 50 0 Time ( sec .) 90 Sec Max ( >220 oC ) 26 0 o C
1 0 S ec Max
external capacitor in the application field. Output Voltage Regulation and Over-voltage Protection Circuit The simplest device for output voltage regulation, over-voltage and over-current
2 2 0o C
protection is a linear voltage regulator with overheat protection that is connected to the input or output end in series (Figure2).
Dual O u tput Vn i GND
R EG REG
OUTLINE DIMENSIONS & FOOTPRINT DETAILS
First Angle Projection
+Vout 0V
DC DC
REG
-Vout
S ingle Output RECOMMENDED FOOTPRINT Top view,grid:2.54mm(0.1inch), diameter:1.00mm 2.00 (0.079) Vn i GND
R EG REG
+Vout
DC DC
0V
Figure2 Overload Protection Under normal operating conditions, the output circuit of these products has no protection against overload. The simplest method is to
(0.039)
connect a self-recovery fuse in series at the input end or add a circuit breaker to the circuit.
FOOTPRINT DETAILS Pin 2 1 Single Dual
No parallel connection or plug and play.
Vin GND 0V NC +Vo
NC
Vin GND 0V -Vo +Vo NC
8 Others
Note: Unit:mm(inch) Pin section:0.50*0.30mm(0.020*0.012inch) Pin tolerances: 0.10mm( 0.004inch) General tolerances: 0.25mm( 0.010inch)
MORNSUN reserves the copyright
Specifications subject to change without notice.
F_T-W2&E_T-W 2
A/0-2007
Page 2 of 2

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