BWS SERIES - 2.5 WATT DESCRIPTION FEATURES BWS DC/DC converters offer excellent regulation and isolation in an industry-standard DIP package. The BWS is ideal for industrial, telecom, and networking applications, and features short circuit protection, low profile, and 500 VDC isolation. Please see the BWD series for dual output applications. • Industry Standard DIP Package • Industry Standard Pinout • 85°C Case Operation • Short Circuit Protection • • • • Wide Range Inputs Input Pi Filter Regulated Outputs 500V Isolation TECHNICAL SPECIFICATIONS Input Voltage Range 5 VDC Nominal 12 VDC Nominal Reflected Ripple 4.5 - 9 VDC 9 - 18 VDC 20% Iin Max. Reverse Input Current 100% Iin Max. Output Setpoint Accuracy Line Regulation Vin Min. - Vin Max., Iout Rated Load Regulation Iout Min. - Iout Max., Vin Nom. Minimum Output Current Dynamic Regulation, Loadstep ±5% ±1.5% Vout ±2.5% Vout 10% Iout Rated 25% Iout Pk Deviation 1% Vout Settling Time Temperature Coefficient Ripple And Noise, 20 MHz BW Short Circuit Protection 1 500 ms 0.02%/°C 150 mV Continuous 180% Current Limit General Switching Frequency Isolation Input - Output Input - Case Output - Case Isolation Resistance - Input to Output Isolation Capacitance - Input to Output No Load Input Power Case Temperature Standard Operating Range Storage Range Humidity Max., Non-Condensing Vibration, 3 Axes, 5 Min Each Safety Weight (approx.) 200 kHz 500 VDC 500 VDC 500 VDC 109 Ohms Notes 1 Continuous short circuit protection is provided. Long-term continuous 80 pF 0.70 W operation in this mode is not recommended. Converter will auto-restart once fault has been removed. Specifications typically at 25°C, normal line, and full load, unless otherwise stated. -25 to +85°C -40 to +125°C 95% 5 g, 10 - 55 Hz UL, cUL, TUV 0.6 oz Soldering Conditions: I/O pins, 260°C, ten seconds; fully compatible with commercial wave-soldering equipment. Safety: Agency approvals may vary from model to model. Please consult factory for specific model information. REV. 10/01 1 BWS SERIES - 2.5 WATT MODELS - (See the last page of section for options.) MODEL INPUT VOLTAGE (VOLTS) INPUT VOLTAGE RANGE (VOLTS) MAXIMUM INPUT CURRENT (AMPS)* OUTPUT VOLTAGE (VOLTS) RATED OUTPUT CURRENT (AMPS) BWS0505 BWS0512 BWS1205 BWS1212 BWS1215 BWS4805 5 5 12 12 12 48 4.5 - 9 4.5 - 9 9 - 18 9 - 18 9 - 18 36 - 72 0.85 0.95 0.45 0.5 0.5 0.10 5 12 5 12 12 5 0.5 0.25 0.5 0.25 0.2 0.5 NOTES: RIPPLE & NOISE pk-pk (mV) TYPICAL EFFICIENCY** 150 150 150 150 150 150 71% 79% 70% 79% 79% 74% * Maximum input current at minimum input voltage, maximum rated output power. ** At nominal Vin, rated output. MECHANICAL DRAWING BOTTOM VIEW Thermal Impedance Natural Convection 100 LFM 200 LFM 300 LFM 400 LFM 23.6 °C/W 16.7 °C/W 13.1 °C/W 9.4 °C/W 8.5 °C/W Note: Thermal impedance data is dependent on many environmental factors. The exact thermal performance should be validated for specific application. Pin Tolerances Function 1 & 24 2 & 23 No Pin -Vin / +Vin 3 & 22 4 & 21 5 & 20 6 & 19 7 & 18 8 & 17 9 & 16 -Vin / +Vin No Pin No Pin No Pin No Pin No Pin NC / -Vout 10 & 15 11 & 14 NC / NC NC / +Vout 12 & 13 No Pin 2 Inches: .XX ± 0.040 .XXX ± 0.010 Pin: ± 0.002 (Millimeters) .X ± 1.0 .XX ± 0.25 ± 0.05 (Dimensions as listed unless otherwise specified.) OPTIONS When ordering equipment options, use the following suffix information. Select the option(s) that you prefer and add them to the model number. Example ordering options are located below the options table. OPTION SUFFIX APPLICABLE SERIES Negative Logic N HAS, HBD, HBS, HES, HLS, HLD, LES, QBS, QES, QLS, TES, TQD Lucent-Compatible T HAS, HBD, HBS, HES, HLS, QBS, QES, QLS Terminal Strip TS XWS, XWD, XWT Trim 1 IAS, LES Enable 2 IAD, IAS, LES, SMS Trim and Enable 3 IAS, LES Current Share 4 SMS Headerless Y Encapsulated EWS, IWS, OWS Pin Length and Heatsink Options REMARKS TTL "Low" Turns Module ON TTL "High" Turns Module OFF Standard Pin Length is 0.180" (4.6mm) 0.110" (2.8mm) Pin Length 8 All Units (Except SMS) 0.150" (3.8mm) Pin Length 9 All Units (Except SMS) 0.24" (6.1mm) Horizontal Heatsink 1H All Units (All Units Except DIP, HLS, HLD, QLS, SIP, SM, TLD, and TKD Packages) Includes Thermal Pad 0.24" (6.1mm) Vertical Heatsink 1V All Units (All Units Except DIP, HLS, HLD, QLS, SIP, SM, TLD, and TKD Packages) Includes Thermal Pad 0.45" (11.4mm) Horizontal Heatsink 2H All Units (All Units Except DIP, HLS, HLD, QLS, SIP, SM, TLD, and TKD Packages) Includes Thermal Pad 0.45" (11.4mm) Vertical Heatsink 2V All Units (All Units Except DIP, HLS, HLD, QLS, SIP, SM, TLD, and TKD Packages) Includes Thermal Pad 0.95" (24.1mm) Horizontal Heatsink 3H All Units (All Units Except DIP, HLS, HLD, QLS, SIP, SM, TLD, and TKD Packages) Includes Thermal Pad 0.95" (24.1mm) Vertical Heatsink 3V All Units (All Units Except DIP, HLS, HLD, QLS, SIP, SM, TLD, and TKD Packages) Includes Thermal Pad Example Options: HBS050ZG-ANT3V = HBS050ZG-A with negative logic, Lucent-compatible trim, and 0.95” vertical heatsink. LES015YJ-3N = LES015YJ with optional trim and enable, negative logic. QBS066ZG-AT8 = QBS066ZG-A with Lucent-compatible trim and 0.110” pin length. NUCLEAR AND MEDICAL APPLICATIONS - Power-One products are not authorized for use as critical components in life support systems, equipment used in hazardous environments, or nuclear control systems without the express written consent of the President of Power-One, Inc. TECHNICAL REVISIONS - The appearance of products, including safety agency certifications pictured on labels, may change depending on the date manufactured. Specifications are subject to change without notice. 3