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| ISOLATED DC/DC CONVERTERS 48V Input 3.3V/25A, 5V/20A, 12V/8.33A Output, 1/8 Brick 07CY-85T Series * * * * * * Isolated High Efficiency High Power Density PRELIMINARY * * * * * * Output Over Voltage Shutdown OCP/SCP Over Temperature Protection Remote On/Off Output Voltage Trim Positive/Negative Remote Sense Excellent Thermal Performance Low Cost Input Under Voltage Lockout Description The 07CY-85T Series are isolated DC/DC converters that operate from a nominal 48V source. These units provide up to 100W of output power. These units are designed to be highly efficient and cost-effective. Features include remote on/off, short circuit protection, over current protection, over temperature protection, input under voltage lockout, and output over voltage protection. These converters are provided in a compact, 1/8 brick industry standard package. Part Selection Output Voltage 12.0V 5.0V 3.3V Input Voltage 36V - 75V 36V - 75V 36V - 75V Max. Output Current 8.33A 20A 25A Max. Output Power 100W 100W 85W Typical Efficiency 90% 90% 89% Model Number Active High 07CY-85T120 07CY-85T050 07CY-85T033 Model Number Active Low 07CY-85T12L 07CY-85T05L 07CY-85T03L Note: Add "G" suffix at the end of the model number to indicate Tray Packaging. Absolute Maximum Ratings Parameter Input Voltage (continuous) Remote On/Off I/O Isolation Voltage Ambient Temperature Storage Temperature Min -0.3V -0.3V -40C -55C Typ Max 80V 18V 2000V 85C 125C Notes Input Specifications Parameter Input Voltage Input Current (full load) Vo=12.0V Vo=5.0V Vo=3.3V Input Current (no load) Remote Off Input Current Input Reflected Ripple Current (pk-pk) Input Reflected Ripple Current (RMS) I t Inrush Current Transient Turn-on Voltage Threshold Turn-off Voltage Threshold 2 Min 36V 32V 30V Typ 48V 80mA 2mA 12mA 2mA 0.01A s 34V 32V 2 Max 75V 3.0A 3.0A 2.8A 120mA 5mA 24mA 4mA 0.02A s 35V 33V 2 Notes Tested with simulated source impedance of 10uH, 5Hz to 20MHz; use a 100uF/100V electrolytic capacitor with ESR = 1 ohm max. at 200KHz at 25C. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com ISOLATED DC/DC CONVERTERS 48V Input 3.3V/25A, 5V/20A, 12V/8.33A Output, 1/8 Brick Output Specifications Parameter Output Voltage Set Point VO=12.0V VO=5.0V Vo=3.3V Line Regulation VO=12.0V VO=5.0V VO=3.3V Load Regulation VO=12.0V VO=5.0V VO=3.3V Regulation Over Temperature (-40C to +85C) VO=12.0V VO=5.0V VO=3.3V Output Current VO=12.0V VO=5.0V VO=3.3V Current Limit Threshold VO=12.0V VO=5.0V VO=3.3V Short Circuit Surge Transient Ripple and Noise (RMS) VO=12.0V VO=5.0V VO=3.3V Ripple and Noise (pk-pk) VO=12.0V VO=5.0V VO=3.3V Turn on Time Overshoot at Turn on Output Capacitance VO=12.0V VO=5.0V VO=3.3V Transient Response Overshoot 25% ~ 50% Max Load Settling Time Overshoot 50% ~ 25% Max Load Settling Time Overshoot 25% ~ 50% Max Load Settling Time Overshoot 50% ~ 25% Max Load Settling Time Overshoot 25% ~ 50% Max Load Settling Time Overshoot 50% ~ 25% Max Load Settling Time 0uF 0uF 0uF 100mV 100mV 55mV 15mS 0% 300mV 250uS 300mV 250uS 200mV 200uS 200mV 200uS 150mV 150uS 150mV 150uS 150mV 150mV 100mV 30mS 5% 1000uF 10000uF 20000uF 500mV 350uS 500mV 350uS 300mV 300uS 300mV 300uS 200mV 200uS 200mV 200uS 10A 23A 30A 13A 29A 36A 2 3A s 25mV 25mV 15mV 16A 35A 42A 2 5A s 50mV 50mV 30mV Test conditions: 0-20MHz BW, with a 1uF ceramic capacitor and a 10uF Tantalum capacitor at the output. 0A 0A 0A 8.33A 20A 25A Min 11.820V 4.925V 3.250V Typ 12.0V 5.0V 3.3V 12mV 5mV 3mV 30mV 10mV 7mV 60mV 45mV 30mV Max 12.180V 5.075V 3.350V 24mV 10mV 7mV 60mV 20mV 15mV 100mV 75mV 50mV Notes Vin=48V, Io=50% full load, Ta=25C. VO=12.0V VO=5.0V Test conditions: di/dt = 0.1A/uS, Vin=48V, with a 1uF ceramic capacitor and a 10uF Tantalum capacitor at the output. VO=3.3V Note: All specifications are typical at 25C unless otherwise stated. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com ISOLATED DC/DC CONVERTERS 48V Input 3.3V/25A, 5V/20A, 12V/8.33A Output, 1/8 Brick General Specifications Parameter Efficiency VO=12.0V VO=5.0V VO=3.3V Switching Frequency Isolation capacitance Output Voltage Trim Range Over Temperature Protection Over Voltage Protection MTBF Dimensions Inches (L x W x H) Millimeters (L x W x H) Weight 2.30 x 0.896 x 0.395 58.42 x 22.76 x 10.03 27g 87% 87% 86% 270KHz 80%Vo 117%Vo 90% 90% 89% 300KHz 1500pF 125C 122%Vo TBD 330KHz 110%Vo 127%Vo Vin=48V, Io=Io,max Min Typ Max Notes Calculated Per Bell Core TR-332 (IO = Nominal; Ta = 25C) - Note: All specifications are typical at 25C unless otherwise stated. Control Specifications Parameter Remote On/Off Signal Low (Unit On) Signal High (Unit Off) Signal Low (Unit Off) Signal High (Unit On) Current Sink Active Low Active High -0.3V 2.4V -0.3V 2.4V 0mA 0.8V 18V 0.8V 18V 0.75mA 07CY-85TXXL. The remote on/off pin open, Unit on. 07CY-85TXX0. The remote on/off pin open, Unit on. Min Typ Max Notes Output Trim Equations Equations for calculating the trim resistor are shown below. The Trim Down resistor should be connected between the Trim pin and Ground pin. The Trim Up resistor should be connected between the Trim pin and the Vout. Only one of the resistors should be used for any given application. Rtrimdown = 511 - 10.22[k] delta Vout Module Trim Rtrim-down Rtrimup = Notes: (100 + delta ) Vo 5.11 - 626 - 10 .22 [k ] 1 .225 delta Module GND Vout Rtrim-up delta = (Vo _ req - Vo ) x 100 [% ] Vo Trim GND Vo_req=Desired (trimmed) output voltage [V] Output voltage Vo=3.308V for 3.3V output; Vo=5.000V for 5.0V; Vo=12.000V for 12V output Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com ISOLATED DC/DC CONVERTERS 48V Input 3.3V/25A, 5V/20A, 12V/8.33A Output, 1/8 Brick Efficiency Data 94% 92% 90% 88% 86% 84% 82% 80% 78% 76% 74% 72% 70% 1.60 3.20 4.80 6.00 7.20 8.33 OUTPUT CURRENT (A) EFFICIENCY 36V 48V 75V Vo=12V 94% 92% 90% 88% 86% 84% 82% 80% 78% 76% 74% 72% 70% 4 8 12 16 20 EFFICIENCY 36V 48V 75V OUTPUT CURRENT (A) Vo=5V 94% 92% 90% 88% 86% 84% 82% 80% 78% 76% 74% 72% 70% 5 10 15 20 25 EFFICIENCY 36V 48V 75V OUTPUT CURRENT (A) Vo=3.3V Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com ISOLATED DC/DC CONVERTERS 48V Input 3.3V/25A, 5V/20A, 12V/8.33A Output, 1/8 Brick Thermal Derating Curves Dereating curve of 07CY-85T12x output module Dereating curve of 07CY-85T05x output module Dereating curve of 07CY-85T03x output module Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com ISOLATED DC/DC CONVERTERS 48V Input 3.3V/25A, 5V/20A, 12V/8.33A Output, 1/8 Brick Pin Connections Pin 1 2 3 4 5 6 7 8 Function Vin+ Remote On/Off VinVoutSenseTrim Sense+ Vout+ 2005 Bel Fuse Inc. Specifications subject to change without notice. 030305 CORPORATE Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com FAR EAST Bel Fuse Ltd. 8F/ 8 Luk Hop Street San Po Kong Kowloon, Hong Kong Tel 852-2328-5515 Fax 852-2352-3706 www.belfuse.com EUROPE Bel Fuse Europe Ltd. Preston Technology Management Centre Marsh Lane, Suite G7, Preston Lancashire, PR1 8UD, U.K. Tel 44-1772-556601 Fax 44-1772-888366 www.belfuse.com |
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