ISOLATED DC/DC CONVERTERS 48 Vdc Input, 1.2 Vdc - 12 Vdc / 15 A - 3 A Outputs, 1/16 Brick Converter xRSB-30T Series RoHS Compliant Rev.A • Isolated • Input Under-Voltage Lockout • Fixed Frequency (550 kHz) • Output Over-Voltage Shutdown • High Efficiency • OCP/SCP • High Power Density • Over Temperature Protection • Low Cost • Remote On/Off (Option) • Output Voltage Trim • Positive/Negative Remote Sense • Basic Insulation • Through Hole and SMT(Option) • UL60950-1 Recognized (UL/cUL) Description The xRSB-30T series are isolated dc/dc converters that operate from a nominal 48 Vdc source. These units will provide up to 30 W of output power from a nominal 48 Vdc input. These units are designed to be highly efficient and low cost. Features include remote on/off, over current protection and under voltage lockout. These converters are provided in an industry standard sixteenth brick package. Part Selection Output Voltage 1.2 Vdc Input Voltage 36 Vdc - 75 Vdc Max. Output Current 15 A Max. Output Power 18 W Typical Efficiency 84% Model Number Active Low xRSB-30TV2L Model Number Active High xRSB-30TV20 1.5 Vdc 36 Vdc - 75 Vdc 13 A 19.5 W 86% xRSB-30TV5L xRSB-30TV50 1.8 Vdc 36 Vdc - 75 Vdc 13 A 23 W 86% xRSB-30TV8L xRSB-30TV80 2.5 Vdc 36 Vdc - 75 Vdc 10 A 25 W 89% xRSB-30T02L xRSB-30T025 3.3 Vdc 36 Vdc - 75 Vdc 10 A 30 W 90% xRSB-30T03L xRSB-30T033 5.0 Vdc 36 Vdc - 75 Vdc 7A 35 W 90% xRSB-30T05L xRSB-30T050 12 Vdc 36 Vdc - 75 Vdc 3A 36 W 89% xRSB-30T12L xRSB-30T120 Notes: 1. Add “G” suffix at the end of the model number to indicate Tray Packaging. Replace”x” with “S” to indicate SMT package, or “0” to indicate through hole package. 2. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers Absolute Maximum Ratings Parameter Min Typ Max Input Voltage (continuous) -0.3 V - 80 V Input Voltage Transient (100 ms) -0.3 V Remote On/Off -0.3 V - 18 V - - 1500 V Ambient Temperature -40 °C - 85 °C Storage Temperature -55 °C - 125 °C I/O Isolation Voltage Notes 100 V 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 48 Vdc Input, 1.2 Vdc - 12 Vdc / 15 A - 3 A Outputs, 1/16 Brick Converter Input Specifications Parameter Min 36 V Typ 48 V Max 75 V Input Current (full load) - - 1.6 A Input Current (no load) - 30 mA 120 mA Remote Off Input Current - 2 mA 6 mA Input Reflected Ripple Current (pk-pk) - 20 mA 50 mA Input Reflected Ripple Current (rms) - 3 mA 7 mA I t Inrush Current Transient - 0.01 A s 0.02 A s Turn On Voltage Threshold 31 V 33 V 35 V Turn Off Voltage Threshold 28 V 32 V 35 V Input Voltage 2 2 Notes Tested with simulated source impedance of 15 uH, 5 Hz to 20 MHz; use a 100 uF/100 V electrolytic capacitor with ESR=1 ohm max at 200 kHz at the input. 2 Note: All specifications are typical at nominal input, full load at 25 °C unless otherwise stated. Output Specifications Parameter Output Voltage Set Point Min Typ Max 1.182 V 1.478 V 1.773 V 2.463 V 3.250 V 4.900 V 11.750 V 1.2 V 1.5 V 1.8 V 2.5 V 3.3 V 5.0 V 12.0 V 1.218 V 1.523 V 1.827 V 2.538 V 3.350 V 5.100 V 12.250 V Vo=1.2 - 1.8 V Vo=2.5 V Vo=3.3 V Vo=5.0 V Vo=12 V - ±0.5 mV ±2.0 mV ±3.0 mV ±4.0 mV ±6.0 mV ±3 mV ±6 mV ±8 mV ±9 mV ±20 mV Vo=1.2 - 2.5 V Vo=3.3 - 5.0 V Vo=12 V - ±3 mV ±4 mV ±5 mV ±5 mV ±9 mV ±10 mV - ±7 mV ±9 mV ±15 mV ±20 mV ±15 mV ±16 mV ±30 mV ±35 mV 0A 0A 0A 0A 0A 0A 0A - 15 A 13 A 13 A 10 A 10 A 7A 3A Vo=1.2 V Vo=1.5 V Vo=1.8 V Vo=2.5 V Vo=3.3 V Vo=5.0 V Vo=12 V Line Regulation Load Regulation Regulation Over Temperature (-40 °C to +85 °C) Vo=1.2 - 1.8 V Vo=2.5 - 3.3 V Vo=5.0 V Vo=12 V Notes Test conditions: Vin=48 V; Io=50% load Output Current Vo=1.2 V Vo=1.5 V Vo=1.8 V Vo=2.5 V Vo=3.3 V Vo=5.0 V Vo=12 V 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 48 Vdc Input, 1.2 Vdc - 12 Vdc / 15 A - 3 A Outputs, 1/16 Brick Converter Output Specifications (continued) Parameter Current Limit Threshold Min Typ Max 18 A 14 A 14 A 11 A 10.5 A 7.5 A 3.5 A - 24 A 20 A 19 A 16 A 15.5 A 9.5 A 4.5 A 2 0.5 A s 30 A 26 A 24 A 21 A 25 A 14 A 6A 2 1A s Vo=1.2 - 2.5 V Vo=3.3 V Vo=5.0 - 12 V - 10 mV 15 mV 30 mV 20 mV 30 mV 55 mV Vo=1.2 - 2.5 V Vo=3.3 V Vo=5.0 V Vo=12 V - 40 mV 65 mV 90 mV 80 mV 35 mS 0% 70 mV 110 mV 150 mV 140 mV 70 mS 5% Vo=1.2 - 1.5 V Vo=1.8 V Vo=2.5 V Vo=3.3 V Vo=5.0 V Vo=12 V 220 uF 220 uF 220 uF 0 uF 0 uF 0 uF - 15000 uF 10000 uF 6800 uF 4700 uF 2200 uF 330 uF Vo=1.2 V Vo=1.5 V Vo=1.8 V Vo=2.5 V Vo=3.3 V Vo=5.0 V Vo=12 V Short Circuit Surge Transient Notes Ripple and Noise (rms) Ripple and Noise (pk-pk) Turn on Time Overshoot at Turn on Output Capacitance 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 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 Vo=1.2 V Vo=1.5 - 1.8 V Vo=2.5 V Vo=3.3 V Vo=5.0 V Vo=12 V - 100 mV 100 uS 100 mV 100 uS 150 mV 120 uS 150 mV 120 uS 200 mV 100 uS 200 mV 100 uS 200 mV 200 uS 200 mV 200 uS 350 mV 200 uS 350 mV 200 uS 270 mV 110 uS 270 mV 110 uS 150 mV 150 uS 150 mV 150 uS 200 mV 200 uS 200 mV 200 uS 300 mV 150 uS 300 mV 150 uS 350 mV 350 uS 350 mV 350 uS 500 mV 350 uS 500 mV 350 uS 450 mV 200 uS 450 mV 200 uS Tested at 0-20 MHz BW, with a 1 uF ceramic capacitor and a 10 uF Tantalum capacitor at the output. Test conditions: di/dt = 0.1 A/uS, Vin=48 V, with a 1uF ceramic capacitor and a 10 uF Tantalum capacitor at the 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 48 Vdc Input, 1.2 Vdc - 12 Vdc / 15 A - 3 A Outputs, 1/16 Brick Converter Note: All specifications are typical at nominal input, full load at 25 °C unless otherwise stated. General Specifications Parameter Min Typ Max 81% 83% 83% 84% 87% 86% 84% 86% 86% 87% 90% 89% - Switching Frequency 500 kHz 550 kHz 600 kHz Isolation Capacitance - 3900 pF - Output Voltage Trim Range 90% Vo - 110% Vo Over Temperature Protection 120 °C - 140 °C - 130% Vo 160% Vo Notes Efficiency Vo=1.2 V Vo=1.5 V Vo=1.8 V Vo=2.5 V Vo=3.3 - 5.0 V Vo=12 V Over Voltage Protection MTBF Vin=48 V, full load Test conditions: Vin=48 V, full load and short the feedback optocoupler. Calculated Per Bell Core SR-332 (IO = Nominal; Ta = 25 °C) TBD Dimensions Inches (L × W × H) Millimeters (L × W × H) Dimensions Inches (L × W × H) Millimeters (L × W × H) Weight 1.3 x 0.9 x 0.364 33.02 x 22.86 x 9.24 SMT Package 1.3 x 0.9 x 0.378 33.02 x 22.86 x 9.60 Through Hole Package - 13 g - Note: All specifications are typical at 25 °C unless otherwise stated. Control Specifications Parameter Min Typ Max -0.3 V - 0.8 V 2.95 V - 18 V -0.3 V - 0.8 V 2.95 V - 18 V 0 mA - 1 mA Notes Remote On/Off Signal Low (Unit On) Active Low Signal High (Unit Off) Signal Low (Unit Off) Active High Signal High (Unit On) Current Sink - When Remote On/Off pin is open, for active low option, unit is off; for active high option, unit is on 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 48 Vdc Input, 1.2 Vdc - 12 Vdc / 15 A - 3 A Outputs, 1/16 Brick Converter Output Trim Equations Equations for calculating the trim resistor are shown below (Unit: kΩ). 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. 1) Trim Equations for Vo=1.2 V Vout Rtrimdown = 511 − 10.22 delta Module Trim GND Rtrimup = Rtrimdown (100 + delta ) ⋅ Vo ⋅ 5.11 − 313 − 10.22 0.6125 ⋅ delta Vout Note: delta = (Vo _ req − Vo ) × 100[% ] Vo Module Trim Rtrimup GND Vo_req=Desired (trimmed) output voltage [V] Vo=1.202 V 2) Trim Equations for Vo=1.5 V - 12 V Rtrimdown = Rtrimup = Note: 511 − 10.22 delta (100 + delta ) ⋅ Vo ⋅ 5.11 − 626 − 10.22 1.225 ⋅ delta delta = (Vo _ req − Vo ) × 100 [% ] Vo Vo_req=Desired (trimmed) output voltage [V] Vo=1.503 V for 1.5 V output; Vo=1.804 V for 1.8 V output; Vo=2.505 V for 2.5 V output; Vo=3.308 V for 3.3 V output; Vo=5.002 V for 5 V output; Vo=12.007 V for 12 V 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 48 Vdc Input, 1.2 Vdc - 12 Vdc / 15 A - 3 A Outputs, 1/16 Brick Converter 90% 90% 85% 85% 80% 36V 48V 75V 75% 70% 65% EFFICIENCY EFFICIENCY Efficiency Data 80% 36V 48V 75V 75% 70% 65% 60% 60% 55% 55% 50% 50% 1.5A 3.75A 7.5A 11.25A 1.3A 15A 3.25A OUTPUT CURRENT (A) 9.75A 13A Vo=1.5 V 90% 90% 85% 85% 80% 36V 48V 75V 75% 70% 65% EFFICIENCY EFFICIENCY Vo=1.2 V 80% 36V 48V 75V 75% 70% 65% 60% 60% 55% 55% 50% 50% 1.3A 3.25A 6.5A 9.75A 1.8A 13A 4.5A 9A 12.A 18A OUTPUT CURRENT (A) OUTPUT CURRENT (A) Vo=1.8 V Vo=2.5 V 90% 90% 85% 85% 80% 36V 48V 75V 75% 70% 65% EFFICIENCY EFFICIENCY 6.5A OUTPUT CURRENT (A) 80% 75% 65% 60% 60% 55% 55% 50% 36V 48V 75V 70% 50% 1A 2.5A 5A 7.5A OUTPUT CURRENT (A) 10A 0.7A 1.75A 3.5A 5.25A 7A OUTPUT CURRENT (A) 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 48 Vdc Input, 1.2 Vdc - 12 Vdc / 15 A - 3 A Outputs, 1/16 Brick Converter Vo=3.3 V Vo=5.0 V Efficiency Data (continued) 90% EFFICIENCY 85% 80% 75% 36V 48V 75V 70% 65% 60% 55% 50% 0.3A 0.75A 1.5A 2.25A 3A OUTPUT CURRENT (A) Vo=12 V Thermal Derating Curves Vin=48 V, Vo=1.2 V Vin=48 V, Vo=1.8 V Vin=48 V, Vo=1.5 V Vin=48 V, Vo=2.5 V 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 48 Vdc Input, 1.2 Vdc - 12 Vdc / 15 A - 3 A Outputs, 1/16 Brick Converter Thermal Derating Curves (continued) Vin=48 V, Vo=3.3 V Vin=48 V, Vo=5.0 V Vin=48 V, Vo=12 V 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 48 Vdc Input, 1.2 Vdc - 12 Vdc / 15 A - 3 A Outputs, 1/16 Brick Converter Ripple and Noise Waveforms Vo=1.2 V Vo=1.8 V Vo=3.3 V Vo=1.5 V Vo=2.5 V Vo=5.0 V Vo=12 V Note: Ripple and noise at full load, 48 V input, with a 1 uF ceramic capacitor and a 10 uF tantalum cap at the output, and Ta=25 deg C. 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 48 Vdc Input, 1.2 Vdc - 12 Vdc / 15 A - 3 A Outputs, 1/16 Brick Converter Transient Response Waveforms Vo=1.2 V 50% to 25% Load Transients Vo=1.5 V 50% to 25% Load Transients Vo=1.2 V 25% to 50% Load Transients Vo=1.5 V 25% to 50% Load Transients Vo=1.8 V 50% to 25% Load Transients Vo=1.8 V 25% to 50% Load Transients Vo=2.5 V 50% to 25% Load Transients Vo=2.5 V 25% to 50% Load Transients 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 48 Vdc Input, 1.2 Vdc - 12 Vdc / 15 A - 3 A Outputs, 1/16 Brick Converter Transient Response Waveforms (continued) Vo=3.3 V 50% to 25% Load Transients Vo=5.0 V 50% to 25% Load Transients Vo=12 V 50% to 25% Load Transients Vo=3.3 V 25% to 50% Load Transients Vo=5.0 V 25% to 50% Load Transients Vo=12 V 25% to 50% Load Transients Note: Transient Response at Vin=48 V, di/dt=0.1A/uS, with external 220 uF tantalum capacitor and 1 uF ceramic capacitor, and Ta=25 deg C. 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 48 Vdc Input, 1.2 Vdc - 12 Vdc / 15 A - 3 A Outputs, 1/16 Brick Converter Mechanical Outline SMT Package Pin Connections Pin Function 1 Vin (+) 2 Remote On/Off 3 Vin (-) 4 Vout- 5 Remote Sense (-) 6 Trim 7 Remote Sense (+) 8 Vout (+) 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 48 Vdc Input, 1.2 Vdc - 12 Vdc / 15 A - 3 A Outputs, 1/16 Brick Converter Mechanical Outline (continued) Through Hole Package Pin Connections Pin 1 2 3 4 5 6 7 8 Function Vin (+) Remote On/Off Vin (-) VoutRemote Sense (-) Trim Remote Sense (+) Vout (+) RoHS Compliance Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products. ©2008 Bel Fuse Inc. Specifications subject to change without notice. 022708 CORPORATE FAR EAST EUROPE Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com 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 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