DEV-BD9703CP-3.3-V1 DEV-BD9703CP-5.0-V1 Datasheet ELECTRONICS SOURCE CO., LTD Non-Isolated Step-Down DC/DC Converters 3.3/5Vdc 1.5A 7/129 Central Tower A Pinklao Bldg., 17th fl., Unit 21702 Baromrachonnee Rd., Arun Amarin, Bangkok-Noi, Bangkok 10700 Description Tel: 02-884-9210 Fax: 02-884-9214 The DEV-BD9703CP is non-isolated dc-dc converters Operate from 8Vdc-35Vdc input. And delivery full 1.5A.currents for 3.3 Vdc or 5 Vdc output. It’s suitable for applications that require high efficiency, tight regulation, and high reliability in elevated temperature environments with low airflow. Typical Circuit Ven: 2V to Vin Vin 6 to 32V (Vout: 3.3V) Vout 3.3/5V 8 to 32V (Vout: 5V) Feature • Delivers up to 1.5A • High efficiency • ON /OFF control via Enable pin • No minimum load required Part number DEV-BD9703CP-3.3-V1 DEV-BD9703CP-5.0-V1 Vout 3.3V 5V • Shock circuit protection • Thermal shutdown protection Pin Assignment 2 4 6 8 1 8 3 5 7 Pin1, 2: Vin Pin3, 4: Enable Pin5, 6: Ground Pin7, 8: Vout Unit: mm. DEV-BD9703CP-3.3-V1 DEV-BD9703CP-5.0-V1 Datasheet ELECTRONICS SOURCE CO., LTD Non-Isolated Step-Down DC/DC Converters 3.3/5Vdc 1.5A 7/129 Central Tower A Pinklao Bldg., 17th fl., Unit 21702 Baromrachonnee Rd., Arun Amarin, Bangkok-Noi, Bangkok 10700 Absolute maximum rating(Ta=25 C) Tel: 02-884-9210 Fax: 02-884-9214 PARA METER ABSOLUTE MAXIMUM RATINGS1 Input Voltage Switch Voltage Output Current Operating Temperature Storage Temperature Power Dissipation 1Absolute Symbol MAX Unit Vin Vsw Iout Topr Tstg Pd 36 36 1.5 -40 ~ 85 -55 ~ 150 2 V V A °C °C W Maximum Ratings Stresses in excess of the absolute maximum ratings may lead to degradation in performance and reliability of the converter and may result in permanent damage. Electrical characteristics Refer to the test circuits, Ta = 25 C , Vi = 12V Electrical characteristics of DEV-BD9703CP-3.3-V1 PARA METER Output voltage Load regulation Line regulation Efficiency Symbol Vout ΔVoLoad ΔVoLine η Test conditions Io = 0 A Vi = 20V, Io= 0.5~1.5A Vi = 10~30V, Io= 1.0A Io = 0.5A Io = 1.0A Io = 1.5A Min 3.25 - Typ 3.30 10 40 80 78 75 Max 3.35 40 100 - Unit V mV mV % % % Min 4.95 - Typ 5.0 10 40 86 85 81 Max 5.05 40 100 - Unit V mV mV % % % Electrical characteristics of DEV-BD9703CP-5.0-V1 PARA METER Output voltage Load regulation Line regulation Efficiency Symbol Vout ΔVoLoad ΔVoLine η Test conditions Io = 0 A Vi = 20V, Io= 0.5~1.5A Vi = 10~30V, Io= 1.0A Io = 0.5A Io = 1.0A Io = 1.5A DEV-BD9703CP-3.3-V1 DEV-BD9703CP-5.0-V1 Datasheet ELECTRONICS SOURCE CO., LTD Non-Isolated Step-Down DC/DC Converters 3.3/5Vdc 1.5A 7/129 Central Tower A Pinklao Bldg., 17th fl., Unit 21702 Baromrachonnee Rd., Arun Amarin, Bangkok-Noi, Bangkok 10700 Tel: 02-884-9210 Fax: 02-884-9214 Operation Range(Ta=-40 C) ~ Parameter Symbol Input Voltage for 3.3V Input Voltage for 5V Output Current ON/OFF Control Enable Pin Off Threshold Voltage On Enable Pin Input Current Vin Vin Isw3 Min 6 8 - Ven(off) Ven(on) Ien -0.3 2 5 Ratings Typ Max 32 32 1.5 25 0.3 Vin 50 Unit V V A Vdc Vdc µA Waveforms Start up Start up Waveform of DEV-BD9703CP-3.3-V1 at Vin=12 Vdc, Load = 2.2 Ω. (1V/div and 2 ms/div) Vmax = 3.48V, RiseTime = 594.5us DEV-BD9703CP-3.3-V1 DEV-BD9703CP-5.0-V1 ELECTRONICS SOURCE CO., LTD Datasheet Non-Isolated Step-Down DC/DC Converters 3.3/5Vdc 1.5A 7/129 Central Tower A Pinklao Bldg., 17th fl., Unit 21702 Baromrachonnee Rd., Arun Amarin, Bangkok-Noi, Bangkok 10700 Tel: 02-884-9210 Fax: 02-884-9214 Start up Waveform of DEV-BD9703CP-5.0-V1 at Vin = 12Vdc, Load = 3.33 Ω. (1V/div and 2 ms/div) Vmax = 5.20V, RiseTime = 888.0us
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