A-XS-W25&B-XLS-W25 Series 0.25W, FIXED INPUT, ISOLATED&UNREGULATED DUAL/SINGLE OUTPUT DC-DC CONVERTER PRODUCT PROGRAM Input Part Number Output Voltage (VDC) Nominal Nominal 3.3 3.0-3.6 B0303XLS-W25 Voltage (VDC) Current (mA) Efficiency (%, Typ) Max 3.3 75.8 62 FEATURES B0305XLS-W25 5 50 65 ◆Small Footprint A0505XS- W25 ±5 ±25 62 ◆1KVDC Isolation A0509XS- W25 ±9 ±13.8 64 A0512XS- W25 ±12 ±10.4 66 A0515XS- W25 ±15 ±8.3 65 ◆SIP Package ◆Internal SMD Construction ◆Temperature Range: -40℃to +85℃ ◆No Heat sink Required ◆No External Component Required ◆Industry Standard Pinout MODEL SELECTION APPLICATIONS The A-XS-W25&B-XLS-W25 Series are specially for applications where a group power supplies are isolated from supply power in a distributed the voltage of the of the as: purely digital 67 B0515X LS- W25 15 16.7 65 A1205XS- W25 ±5 ±25 62 A1209XS- W25 ±9 ±13.8 63 A1212XS- W25 ±12 ±10.4 64 A1215XS- W25 ±15 ±8.3 65 3.3 75.8 62 5 50 65 B1209 XLS- W25 9 27.8 66 B1212X LS- W25 12 20.8 67 B1215X LS- W25 15 16.7 66 A2405XS- W25 ±5 ±25 63 A2409XS- W25 ±9 ±13.8 64 A2412XS- W25 ±12 ±10.4 65 ±15 ±8.3 65 5 50 63 12 10.8-13.2 A2415XS- W25 27.8 63 supply system on B2412 XLS- W25 12 20.8 65 B2415 XLS- W25 15 16.7 65 B2424XLS- W25 24 10.4 64 input 24 21.6-26.4 power COMMON SPECIFICATIONS Item Test conditions Min voltage circuits,ordinary low driving circuits. Units 95 % -40 85 Storage Temperature -55 125 Temp. rise at full load 15 1.5mm from case for 10 seconds 1 Cooling MTBF ℃ 25 300 Short circuit protection* s Free air convection Case material Plastic (UL94-V0) 3500 Weight MICRODC reserves the copyright Max Operating Temperature Lead temperature frequency analog circuits, and IGBT power device http://www.microdc.cn Typ Storage humidity output and the output ripple noise are not demanding. Such 20.8 9 output (isolation voltage ±1000VDC); regulation 12 B2409X LS- W25 2) Where isolation is necessary between input and the 65 B0512 XLS- W25 power input supply is fixed (voltage variation ±10%); 3) Where 64 27.8 B2405 XLS- W25 These products apply to: Where 50 9 polar the of a circuit board. 1) 5 B0509XLS- W25 B1205 XLS- W25 ①Product Series ②Input Voltage ③Output Voltage ④Fixed Input ⑤Lenthened SIP Pacage Style ⑥Rated Power designed 4.5-5.5 B0505XLS- W25 B1203X LS- W25 B①05②05③X④ LS⑤-W25⑥ 5 K hours 2.1 g *Supply voltage must be discontinued at the end of short circuit duration. Technical Enquiries-Email:[email protected] Tel:0086-20-86000646 Page 1 of 2 A-XS-W25&B-XLS-W25 Series ISOLATION SPECIFICATIONS Item APPLICATION NOTE Test conditions Min Isolation voltage Tested for 1 minute and 1 mA max 1000 Typ Max Units VDC Isolation resistance Test at 500VDC 1000 M Test conditions Min Typ Max 0.25 For Vin change (3.3V input) of ±1% (Others input) 10% to 100% Units W ±1.2 12 20MHz Bandwidth Switching frequency power under is less than 10% of that this product no load! the should If the actual very small, please connect a resistor Under % normal output circuit of operating conditions, 15 8.3 15 connect (12V output) 6.8 15 end or add a circuit breaker to the circuit. (15V output) 6.3 15 100 the these products has no protection 10.5 Full load, nominal input be output with proper resistance at the output end in parallel to (9V output) 50 full never Overload Protection against overload. The simplest a self-recovery fuse method is to in series at the input Recommended circuit See tolerance envelope graph Ripple & Noise* operate (5V output) Output voltage accuracy 100% full load output load is not 20 load Temperature drift this module can increase the load. ±1.5 (3.3V output) Load regulation ensure operated Output power Line regulation To efficiently and reliably, During operation, the minimum load, and OUTPUT SPECIFICATIONS Item Requirement on output load If 0.03 %/℃ 75 mVp-p KHz 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). *Test ripple and noise by "parallel cable" method. See detailed operation instructions at Testing . Note: 1. All specifications measured at T A =25℃, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 2. See below recommended circuits for more details. 3. Dual output models unbalanced load: ±5%. TYPICAL CHARACTERISTICS It should inductance also filtering network DC/DC frequency However, the capacitor must is too It's not be noted and the big, should be to be of of the proper. startup recommended to If the the "LC" staggered avoid mutual capacitance a that frequency with the interference. output filter the capacitance problem might arise. connect any external capacitor in the application field. OUTLINE DIMENSIONS & PIN CONNECTIONS Output Voltage Regulation and Over-voltage Protection Circuit The simplest regulation, protection overheat device for over-voltage is a linear protection that output and voltage is voltage over-current regulator connected to input or output end in series (Figure 2). No parallel connection or plug and play. http://www.microdc.cn Technical Enquiries-Email:[email protected] Tel:0086-20-86000646 Page 2 of 2 with the