WRA_ZLS-3W＆WRB_ZLS -3W Series Wide Input,Isolated&Regulated Dual/Single Output SIP-9(10) DC/DC Converter SELECTION GUIDE Input voltage range 3.3 VDC Output current max. 700 mA WRB2405ZLS-3W 5 VDC 600 mA 76 % WRB2412ZLS-3W 12 VDC 250 mA 79 % 15 VDC 200 mA 80 % ±5 VDC ±300 mA 73 % WRA2412ZLS-3W ±12 VDC ±125 mA 77 % WRA2415ZLS-3W ±15 VDC ±100 mA 79 % WRA2418ZLS-3W ±18VDC ±83 mA 79% WRB4803ZLS-3W 3.3 VDC 700 mA 70 % Order code Output voltage WRB2403ZLS-3W 9 – 36 VDC WRB2415ZLS-3W WRA2405ZLS-3W FEATURES ◆ Ultra-wide 4:1 input range ◆ Lengthened SIP-9(10) package ◆ Full SMD design (24 VDC nominal) WRB4805ZLS-3W ◆ ◆ 18 – 75 VDC WRB4812ZLS-3W Efficiency typ. 71 % 5 VDC 600 mA 72 % 12 VDC 250 mA 78 % 15 VDC 200 mA 78 % Temperature range –40°C to +85°C WRB4815ZLS-3W WRA4805ZLS-3W ±5 VDC ±300 mA 70 % High efficiency WRA4812ZLS-3W ±12 VDC ±125 mA 76 % WRA4815ZLS-3W ±15 VDC ±100 mA 76 % ◆ Excellent load and line regulation ◆ Indefinite short-circuit protection ◆ I/O isolation 1500 VDC ◆ Remote On/Off control ◆ Fully RoHS compliant ◆ 3-year product warranty (48 VDC nominal) *Input voltage can't exceed this value,or will cause the permanent damage. Input Specifications Parameter MODEL SELECTION ① ② ③ ④ ⑤ 24 Vin models: 48 Vin models: 15 mA typ. Input current at full load (nominal input) 24 Vin models: 110 mA typ. 48 Vin models: 55 mA typ. 24 Vin models: 50 V max. 48 Vin models: 100 V max. ⑥ WRA 24 05 Z LS -3W Surge voltage (100 msec. max.) ①Product Series ②Input Voltage ③Output Voltage ④Wide (4:1) Input Range ⑤Lengthened SIP Package Style ⑥ Rated Power s results Reverse voltage protection 0.5 A max. Input Filter capacitor type Start up time <1ms (at nominal input and resistive load) DESCRIPTION The WRA(B)-ZLS-2W series is a new family of isolated 2W dc-dc converter modules with regulated output, featuring ultra-wide 4:1 input voltage ranges of 9-36 VDC or 18-75 VDC.The product comes in a ultra-compact SIP-9 plastic package. An excellent efficiency up to 84% allows –40°C～+85°C operation temperatures at full load. Further features include remote On/Off control and continuous short circuit protection. Typical applications for these ultra-compact converters are battery operated equipment and distributed power architectures in communication, instrumentation and industrial electronics, everywhere where space on the PCB is critical.1) where the voltage of the input power supply is wide range (voltage range ≤4:1); 2) where isolation is necessary between input and output (isolation voltage ≤1500VDC); 3) where the regulation of the output voltage and the output ripple noise are demanded. OUTPUT SPECIFICATIONS Parameter results ±2 % Voltage set accuracy Regulation – Input variation Vin min. to Vin max. 0.5 % max. – Load variation 25 – 100 % 0.75 % max. single output models: dual output models: ±2 % 2.0 % max. (balanced load) 25 % of rated max current (operation at lower load condition is Minimum load safe but a higher output ripple will be experianced) Temperature coefficient ±0.1 %/°C Ripple and noise (20 MHz Bandwidth) 50 mVpk-pk max Transient response (25 % load step change) 300 µs max. Short circuit protection Capacitive load 3.3 VDC / 5 VDC models: 12 VDC / 15VDC models: ±5 VDC / ±12 VDC models: ±15 VDC models: http://www.microdc.cn 20 mA typ. Input current at no load (nominal input) constant current (automatic recovery) 2’200 µF max. / 1’000 µF max. 170 µF max. / 110 µF max. 470 µF max. / 100 µF max. (each output) 47 µF max. (each output) Technical Enquiries-Email:[email protected] Tel:0086-20-86000646 Page 1 of 2 WRA_ZLS-3W＆WRB_ZLS -3W Series General Specifications Parameter results –40°C to +85°C +90°C max. –55°C to +105°C – Operating – Case temperature – Storage Temperature ranges Derating (convection cooling) 3.3 %/K above 70°C Humidity (non condensing) 95 % rel. H max. Reliability, calculated MTBF (MIL-HDBK-217F at +25°C, ground benign) Isolation voltage (60 sec.) 1’500 VDC – Input/Output Isolation capacitance Isolation resistance >1 Mio h – Input/Output 500 pF max. – Input/Output (500 VDC) >1‘000 M Ohm Switching frequency 100 to 650 kHz (PFM) – On: – Off: – Off stand by input current Remote On/Off control <0.6 VDC or open circuit 2.9 to 15 VDC 1 mA typ / 3 mA max. Physical Specifications Parameter results Casing material non-conductive plastic Potting material epoxy (UL 94V-0 rated) Weight 6.5 g (0.23 oz) Soldering temperature max. 260°C / 10 sec. – Reach – RoHS directive 2002/95/EC Environmental compliance http://www.microdc.cn/uploadfiles/WRA(B)-ZLS-2W.pdf All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated. Outline Dimensions Pin-Out Pin Single Dual 1 –Vin (GND) –Vin (GND) 2 +Vin (Vcc) +Vin (Vcc) 3 Remote On/Off Remote On/Off 6 +Vout +Vout 7 ntc Common 8 ntc ntc 9 –Vout –Vout (ntc = not to connect) Dimensions in [mm], () = Inch Pin diameter ø 0.5 ±0.05 (0.02 ±0.002) Tolerances ±0.5 (±0.02) Pin pitch tolerances ±0.2 (±0.008) Note: 1. The load shouldn't be less than 10%, otherwise ripple will increase dramatically. 2. Operation under 10% load will not damage the converter; However, they may not meet all specification listed. 3. All specifications measured at Ta=25°C, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 4. In this data sheet, all the test methods of indications are based on corporate standards. 5. Only typical models listed, other models may be different, please contact our technical person for more details. 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:[email protected] Website:http://www.microdc.cn REACH COMPLIANT INFORMATION 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:[email protected] Tel:0086-20-86000646 Page 2 of 2