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R-78HB3.3-0.5 bảng dữ liệu(PDF) 2 Page - Recom International Power |
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R-78HB3.3-0.5 bảng dữ liệu(HTML) 2 Page - Recom International Power |
2 / 4 page 2 www.recom-international.com 13-February-2007 Characteristics Conditions Min. Typ. Max. Input Voltage Range See table 9 48 72V Output Voltage Range (for customized parts) All Series 3.3 24V Output Current (see Note 1) 3.3V, 5V, 6.5V, 9V, 12V, 15V 10 500mA 24V 6 300mA Output Current Limit (Vin = 48VDC) All Series 700 1200mA Short Circuit Input Current All Series 15 25mA Internal Input Filter 1µF Capacitor Internal Power Dissipation 0.65W Short Circuit Protection Continuous, automatic recovery Output Voltage Accuracy At 100% Load ±2 ±3% Line Voltage Regulation Vin = min. to max. at full load 0.4 1% Load Regulation 10% to 100% full load 0.3 0.6% Dynamic Load Stability (with Output Capacitor=100µF) 100% <-> 50% load ±75mV ±100mV Ripple & Noise (without Output Capacitor) 10% to 100% full load 20mVp-p 60mVp-p Temperature Coefficient -40°C ~ +85°C ambient 0.015%/°C Max capacitance Load 100µF Switching Frequency (See Graph) Full Load 120 800kHz Quiescent Current Vin = 48VDC. at minimum load 1 5mA Operating Temperature Range -40°C +85°C Operating Case Temperature +100°C Storage Temperature Range -55°C +125°C Case Thermal Impendance 60°C / W Thermal Shutdown Internal IC junction +160°C Relative Humidity 95% RH Package Weight 4g Case Material Non-Conductive Black Plastic Potting Material Epoxy (UL94V-0) Soldering Temperature 265°C max./10 sec. MTBF (+25°C) using MIL-HDBK 217F 7395 x 10³ hours . (+71°C) using MIL-HDBK 217F 1242 x 10³ hours R-78HBxx-0.5 (L) Series Specifications (refer to the standard application circuit, Ta: 25°C, minimum load = 10%) INNOLINE DC/DC-Converter Standard Application Circuit R-78HBxx-0.5 -Vout +Vout +Vin -Vin The converter has a built in soft start circuit. Rapidly changing the input voltage from Vin(min) Vin(max) can bypass this circuit and damage the converter. } DetailedInformationsee Application Notes chapter "MTBF" Add a blocking diode to Vout if current can flow backwards into the out- put, as this can damage the converter. |
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