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| Features Efficiency up to 96%,Non isolated, no need for heatsinks Pin-out compatible with LM78XX Linears Low profile( L*W*H=11.5*8.5*17.5mm) High voltage input range, up to 72V Short circuit protection, Thermal shutdown Non standard outputs available as specials between 3.3V~24V Low ripple and noise "L" version with 90 pins See Positive to Negative Converter Application Note for use as a voltage inverter (alternative to LM79xx Linear) INNOLINE DC/DC-Converter R-78HBxx0.5(L) Series 0.5 AMP SIP3 Single Output Selection Guide Part Number SIP3 R-78HB3.3-0.5 R-78HB5.0-0.5 R-78HB6.5-0.5 R-78HB9.0-0.5 R-78HB12-0.5 R-78HB15-0.5 R-78HB24-0.3 Input Range (V) 9 - 72 9 - 72 9 - 72 14 - 72 17 - 72 20 - 72 36 - 72 Output Voltage (V) 3.3 5.0 6.5 9.0 12 15 24 Output Current (A) 0.5 0.5 0.5 0.5 0.5 0.5 0.3 Vmin. (%) 82 87 91 92 94 95 96 Efficiency 30V 72V (%) (%) 80 85 87 90 93 94 76 81 84 86 89 91 92 * add Suffix "L" for 90 bent pins, e.g. R-78HB5.0-0.5L Description The R-78HBxx-Series high efficiency, high input voltage switching regulators are ideally suited to replace 78xx linear regulators and are pin compatible. The efficiency of up to 96% means that very little energy is wasted as heat so there is no need for any heat sinks with their additional space and mounting costs. An input voltage range of up to 8:1is unsurpassed by any other converter and allows the full stored energy utilisation of standard and high voltage batteries. The fully protected output is ideal for industrial applications (especially for industry standard 24VDC bus supplies) and the L-Version with 90 pins allows direct replacement for laid-flat regulators where component height is at a premium. Low ripple and noise figures and a short circuit input current of typically only 15mA round off the specifications of this versatile converter series. Typical applications include telecommunication, automotive, industrial, aerospace and battery powered applications. Derating-Graph (Ambient Temperature) 120 100 80 60 40 20 0 Output Power (%) Safe Operating Area -40 0 25 50 Operating Temperature (C) 85 75 100 71 www.recom-international.com 13-February-2007 1 INNOLINE DC/DC-Converter R-78HBxx-0.5 (L) Series Conditions See table All Series 3.3V, 5V, 6.5V, 9V, 12V, 15V 24V All Series All Series Min. 9 3.3 10 6 700 15 Typ. 48 Max. 72V 24V 500mA 300mA 1200mA 25mA 1F Capacitor 0.65W Continuous, automatic recovery At 100% Load Vin = min. to max. at full load 10% to 100% full load 100% <-> 50% load 10% to 100% full load -40C ~ +85C ambient Full Load Vin = 48VDC. at minimum load 120 1 -40C -55C Internal IC junction +160C 95% RH 4g Non-Conductive Black Plastic Epoxy (UL94V-0) 265C max./10 sec. using MIL-HDBK 217F using MIL-HDBK 217F 7395 x 10 hours 1242 x 10 hours 2 0.4 0.3 75mV 20mVp-p 3% 1% 0.6% 100mV 60mVp-p 0.015%/C 100F 800kHz 5mA +85C +100C +125C 60C / W Specifications (refer to the standard application circuit, Ta: 25C, minimum load = 10%) Characteristics Input Voltage Range Output Voltage Range (for customized parts) Output Current (see Note 1) Output Current Limit (Vin = 48VDC) Short Circuit Input Current Internal Input Filter Internal Power Dissipation Short Circuit Protection Output Voltage Accuracy Line Voltage Regulation Load Regulation Dynamic Load Stability (with Output Capacitor=100F) Ripple & Noise (without Output Capacitor) Temperature Coefficient Max capacitance Load Switching Frequency (See Graph) Quiescent Current Operating Temperature Range Operating Case Temperature Storage Temperature Range Case Thermal Impendance Thermal Shutdown Relative Humidity Package Weight Case Material Potting Material Soldering Temperature MTBF (+25C) . (+71C) } Detailed Information see Application Notes chapter "MTBF" Standard Application Circuit +Vin +Vout Add a blocking diode to Vout if current can flow backwards into the output, as this can damage the converter. R-78HBxx-0.5 -Vin -Vout 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. 2 13-February-2007 www.recom-international.com INNOLINE Typical Characteristics DC/DC-Converter R-78HBxx-0.5 (L) Series Ripple Vo=24V Vo=15V Vo=12V Vo=9V Vo=6.5V Vo=5V Vo=3.3V 50 Efficiency 100 75 50 Efficiency (%) 25 25 9 20 30 Vin ( V ) 40 50 60 Ripple (mV) Vo=24V Vo=6.5V Vo=12V,15V Vo=3.3V Vo=9V Vo=5V 9 20 30 Vin ( V ) 40 50 60 72 72 Efficiency Vs Vin (Full Load) Ripple Vs Vin ( Full Load ) 100 75 50 Vo=24V Vo=15V Vo=12V Vo=9V Vo=6.5V Vo=5V Vo=3.3V 60 40 Vo=6.5V Vo=12V, 15V Vo=3.3V Vo=9.0V Vo=5.0V 500 Efficiency (%) Ripple (mV) 25 20 Vo=24V 10 50 100 200 300 400 500 10 50 100 200 300 400 Output Current ( A ) Output Current ( mA ) Efficiency Vs Load ( Vin=Max ) Ripple Vs Load ( Vin=Max ) 100 75 50 Vo=15V, 24V Vo=12V Vo=9V Vo=6.5V Vo=5V Vo=3.3V 60 40 Vo=24V Vo=6.5V Vo=3.3V Vo=12V, 15V Vo=9.0V Vo=5.0V 500 Efficiency (%) 25 Ripple (mV) 20 10 50 100 200 300 400 500 10 50 100 200 300 400 Output Current ( A ) Output Current ( mA ) Efficiency Vs Load ( Vin=Min ) Ripple Vs Load ( Vin=Min ) www.recom-international.com 13-February-2007 3 INNOLINE DC/DC-Converter Typical Characteristics cont. Switching Frequency 800 400 200 R-78HBxx-0.5 (L) Series Vo=24V Vo=15V Vo=12V Vo=9.0V Vo=6.5V Vo=5.0V Vo=3.3V Frequency (kHz) 100 50 10 400 10 50 100 200 300 500 Output Current ( mA ) Switching Frequency Vs Load ( Vin=30~72V ) Typical Application High Input Voltage Multiple Output Supply Reverse Polarity Protection +Batt R-78HB12-0.5 Cstorage, R-785.0-1.0 10uF +12V@100mA +5V@850mA Brown Out Protection -Batt - 0V Com Wide input range 18V to 72V - can be used with 24V, 48V or 60V batteries +12V output for interface and display electronics +5V high current output for digital electronics Further decoupling filtering may be necessary between the converters Package Style and Pinning (mm) SIP3 PIN Package 8.50 RECOM **** 3rd angle projection 8.50 RECOM **** 17.5 R-78HB5.0-0.5 Pb R-78HB5.0-0.5 0.51 typ. 4.10 1.50 max Pb 4.10 0.7 typ. 123 L - Version Recommended Footprint Details 11.50 1.00 o+0.15/0 2.54 Pin Connections Pin # 1 +Vin 2 GND 3 +Vout xx.x 0.5mm xx.xx 0.25mm 0.25 3.21 Bottom View 5.08 2.0 Top View 2.54 4 13-February-2007 www.recom-international.com |
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