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D_M-1W Series
1W,FIXED INPUT,1000V ISOLATED & UNREGULATED TWIN OUTPUT DC-DC CONVERTER
multi-country patent protection FEATURES Small footprint SIP package Temperature range: -40C~+85C 1KVDC isolation No Heat sink required No external component required Internal SMD Construction Industry standard pinout RoHS Compliance
RoHS
PRODUCT PROGRAM
Input Part Number D030505M-1W D050303M-1W D050505M-1W Voltage (VDC) Nominal 3.3 5 Range 2.97-3.63 4.5-5.5 Voltage (VDC) 5 3.3 5 Output Current (mA) Max. 100 100 100 Min. 10 10 10 70 62 71 Efficiency (%, Typ)
APPLICATIONS
The D_M-1W 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 1000VDC); 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.
COMMON SPECIFICATIONS
Item Storage humidity range Operating temperature Storage temperature Lead temperature Temp. rise at full load Short circuit protection* Cooling Case material MTBF Weight 3500 1.5mm from case for 10 seconds 15 -40 -55 Test Conditions Min. Typ. Max. 95 85 125 300 25 1 Free air convection Plastic(UL94-V0) 1.4 g K hours S Units %
MODEL SELECTION D050505M-1W
Rated Power Product Series The 2nd Output Voltage The 1st Output Voltage Input Voltage Package Style
*Supply voltage must be discontinued at the end of short circuit duration.
ISOLATION SPECIFICATIONS
Item Isolation voltage (Vin/Vout) Isolation voltage (Vo1/Vo2) Test Conditions Min. Typ. Max. Units VDC Tested for 1 minute and 1mA max 1000 Tested for 1 minute and 1mA max 1000 Test at 500VDC Test at 500VDC 1000 1000 30 30 pF M
MORNSUN Science& Technology co.,Ltd.
Address: 2th floor 6th building, Hangzhou Industrial District, Guangzhou, China Tel: 86-20-38601850 Fax: 86-20-38601272 http://www.mornsun-power.com
Isolation resistance (Vin/Vout) Isolation resistance (Vo1/Vo2) Isolation capacitance(Vin/Vout) Isolation capacitance(Vo1/Vo2)
The copyright and authority for the interpretation of the products are reserved by Mornsun
Specifications subject to change without notice. D_M-1W A/0-2009 Page 1 of 2
OUTPUT SPECIFICATIONS
Item Output power Line regulation Load regulation Output voltage accuracy Temperature drift Ripple & Noise* Switching frequency 100% full load 20MHz Bandwidth Full load, nominal input 75 130 For Vin change of 1% 10% to 100% load (3.3V output) 10% to 100% load(5V output) 15 12.8 Test Conditions Min. 0.1 Typ. Max. 1 1.5 20 15 0.03 100 % Units W
TYPICAL CHARACTERISTICS
See tolerance envelope graph %/ mVp-p KHz
*Test ripple and noise by "parallel cable" method. See detailed operation instructions at Testing of Power Converter section, application notes.
Operating Temp.(oC)
APPLICATION NOTE
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.
RECOMMENDED CIRCUIT
L L
+Vo1
C
Vin
C
DC DC
L C
0V1 +Vo2 0V2
GND
(Figure 1)
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). 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 recommended capacitance of its filter capacitor sees (Table 1).
+Vo1 Vin GND REG 0V1
DC
DC
REG
+Vo2 0V2 +Vo1 0V1
Vin
DC
GND
DC
REG
+Vo2 0V2
(Figure 2) 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).
EXTERNAL CAPACITOR TABLE (TABLE 1) Vin(VDC) Cin(uF) Cout(uF) Vout(VDC)
3.3/5
4.7
3.3/5
4.7
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.
It's not recommended to connect any external capacitor in the application field with less than 0.5 watt output.
No parallel connection or plug and play
The copyright and authority for the interpretation of the products are reserved by Mornsun
Specifications subject to change without notice. D_M-1W A/0-2009 Page 2 of 2
OUTLINE DIMENSIONS & PIN CONNECTIONS MECHANICAL DIMENSIONS
16.50 [0.650] (Bottom View) 6.00 [0.236] 1 2 3 4 5 6 1 2 3 4 5 6 2.54 [0.100] 2.54 [0.100] 7.50 [0.295] (Side View) 0.50 [0.020] 9.40 [0.370] 0.50 [0.020] 12.20 [0.480] 16.70 [0.657] 0.60 [0.024] 4.70 [0.185] 0.30 [0.012]
RECOMMENDED FOOTPRINT
12.70 [0.500]
1.00 [ 0.039]
12.70 [0.500]
4.10 [0.161]
TUBE OUTLINE DIMENSIONS
Note: Uni t:m m [i nch] P i n section tolerances: 0.10m m[0.004i nch] General tol erances: 0.25m m [ 0.010i nch]
F OOTPRINT DETAILS Function Pi n Vi n 1 GND 2 0V1 3 Vo1 4 0V2 5 Vo2 6
0.90 [0.035]
0.90 [0.035]
2.54 [0.100]
Note: Unit :mm[inch] General tolerances: 0.50mm[0.020inch] L=530mm[20.866inch] Tube Quantity: 30pcs L=220mm[8.661inch] Tube Quantity: 11pcs
Note: 1. Operation under minimum load will not damage the converter; However, they may not meet all specification listed. 2. All specifications measured at Ta=25C, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 3. In this datasheet, all the test methods of indications are based on corporate standards. 4. Only typical models listed, other models may be different, please contact our technical person for more details.
The copyright and authority for the interpretation of the products are reserved by Mornsun
Specifications subject to change without notice. D_M-1W A/0-2009 Page 3 of 3

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