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| Quarter-brick BOLERO HP 48V Input, 53VDC, 8A Output Half-brick The Bolero HP half-brick is a High Power CoolConverterTM in the Galaxy family of high-voltage, high-efficiency DC/DC converters. Industry Standard Pinout and Footprint Highest Efficiency in the Industry Low Thermal Impedance Baseplate Standard Two-stage Input Filter Constant Switching Frequency, 270kHz Remote Sense Optional Heatsinks Header with M3 Metal Inserts for Mechanical Connection to PCB Two Year Warranty 3-Quarter-brick Single board construction with power components and planar magnetics thermally connected to an insulated baseplate give the highest power density for a converter in this class. Open frame design is compatible with water wash process. Meets IEEE 802.3af Std for 2250V Isolation for Power over Ethernet Applications. GHBW53V08 Features: 48V Input 53VDC, 8A Output High Efficiency: 93.5% at 53V, 8A 94.0% at 53V, 4A SIP Control Functions Microprocessor Controlled Primary-side Enable, Choice of Logic Standard Protection Features* Over Temperature Protection, Auto-restart Over Voltage Protection, Latching Over Current Protection, Latching Over/Under Input Voltage Lockout Typical Characteristics Output Setpoint Accuracy: 1% Load Regulation: 0.2% Line Regulation: 0.2% Regulation over Line, Load, and Temperature: 2% Low Output Ripple Industry Standard Output Trim *Consult factory for other options. ISO 9001 CERTIFIED ORGANISATION (R) Certified to ISO 9001:2000 Part No. 02-GHB-03 Rev. 0.94- 031605 WWW.GALAXYPWR.COM Telephone: 508-870-9775 Fax: 508-870-9796 GHBW53V08 - 1 Galaxy Power Inc. 155 Flanders Road Westborough, MA 01581 e-mail: info@galaxypwr.com General Specifications VIN = 48VDC, TA @25 C, 300 LFM airflow, VOUT = 53V, IOUT = Full Load unless otherwise noted. COUT = 180F Al-Elec Available output power depends on ambient temperature and good thermal management. (See application graphs for limits.) Input Characteristics Parameter Min Typ Max Units Operating Voltage Range Input Current, No Load @48Vin Input Current, Full Load @48Vin Input Current, Maximum Low Line Input Capacitance Input Hysteresis, Low Line 38 0.05 9.35 42 55 0.11 9.55 13 V A A A F VDC 8 2 2 50 120 150 50 30 0 9 8 11 3 400 50 0 42 57 2250 10 98 270 105 58.5 56 60 Output Characteristics Regulation Over Line, Load & Temperature Voltage Ripple Voltage Ripple, 500kHz BW, 1F ext cap Voltage Ripple, 500kHz - 1MHz, 1F ext cap Voltage Ripple, >1MHz, 1F ext cap Current Range Current Limit Inception, Latching Output Transient Response, 25% to 75% load change, 1A/sec Settling Time to 1% Turn-on Time to 98% Vnom Output Overshoot at Turn-on Trim Range Overvoltage Protection, Latching %VNOM VRMS mVP-P mVP-P mVP-P A A % S mS %VOUT V VDC VDC M C kHz Isolation1 Isolation Test Voltage, Input/Output (Basic) Isolation Resistance Features Overtemperature Protection, Thermal Sensor, Auto-restart2 Input, Output Ripple Frequency, Fixed Notes: 1. Isolation: Output to Case = 2000VDC; Input to Case = 1000VDC; Input to Output = 2250VDC 2. PCB less than 130 C General Specifications Operating Temperature Storage Temperature Relative Humidity Vibration Material Flammability Weight MTBF BELLCORE TR-332 -40 C to +100 C -55 C to +125 C 10% to 95% RH, Non-condensing 2 to 9Hz, 3mm disp., 9 to 200Hz 1g UL V-0 TBD 1,600,000 hours Approvals and Standards UL and c-UL Recognized Component, TUV, UL1950, CSA 22.2 No. 950, IEC/EN60950** pending. EMC Characteristics: Designed to meet emission and immunity requirements per EN55022, CISPR22, Class B and CISPR24. ** An external fuse shall be used to comply with the requirements. GHBW53V08A - 2 WWW.GALAXYPWR.COM Westborough, MA 01581 Telephone: 508-870-9775 Part No. 02-GHB-03 Rev. 0.94- 031605 Galaxy Power Inc. 155 Flanders Road Fax: 508-870-9796 e-mail: info@galaxypwr.com Application Notes CoolConverterTM Family Galaxy's COOLCONVERTERSTM feature: * Single-stage power conversion architecture, control, and magnetic design allow unprecedented power density and efficiency in an isolated power supply. * An advanced microcontroller reduces parts count while adding features, performance, and flexibility in the design. Protection and Control Valid Input Voltage Range: The converter measures the input voltage and will not allow operation outside of the input voltage specification. As shown by the graphs, hysteresis is added to both the high and low voltage to prevent the converter from turning on and off repeatedly when the voltage is held near either voltage extreme. At low line this assures the maximum input current is not exceeded; at high line this assures the semiconductor devices in the converter are not damaged by excessive voltage stress. ON/OFF Logic Option: The ON/OFF control logic can be either Negative (standard) or Positive to enable the converter. For Negative logic, bring the ON/OFF pin to less than 1.0V with respect to the -INPUT pin to enable the converter. The pull-down must be able to sink 100A. For Positive logic, bring the ON/OFF pin to greater than 4.0V with respect to the -INPUT pin and be limited to less than 10V. To request the Positive logic version, add the suffix (P) to the standard part number. The ON/OFF pin has a built-in pull up resistor of approximately 100k to +5V. Undervoltage Hysteresis 60 Output Voltage (V) 50 40 30 20 10 0 33 34 35 36 37 0Aout 5Aout Input Voltage (V) Overvoltage Hysteresis 60 Output Voltage (V) 50 40 30 20 10 0 54 54.5 55 55.5 56 56.5 57 0Aout 5Aout Input Voltage (V) Part No. 02-GHB-03 Rev. 0.94- 031605 WWW.GALAXYPWR.COM Telephone: 508-870-9775 Fax: 508-870-9796 GHBW53V08 - 3 Galaxy Power Inc. 155 Flanders Road Westborough, MA 01581 e-mail: info@galaxypwr.com APPLICATION NOTES Output Over Voltage Protection: The output voltage is constantly monitored by the microprocessor. If the output voltage exceeds the over-voltage specification, the microprocessor will latch the converter off. To turn the converter on requires either cycling on the ON/OFF pin or power to the converter. This advanced feature prevents the converter from damaging the load if there is a converter failure or application error. If non-latching is required, consult factory. Thermal Shutdown: The baseplate temperature is monitored with a PTC thermal sensor. If the maximum rated temperature is exceeded, the converter behaves as described in the specifications (latch or auto-restart). If the converter is the latching type, it is re-enabled by either cycling the power or enable ON/OFF. If the converter is the non-latching type, it will restart when the temperature decreases below the trip point and no less than 2 seconds, whichever occurs later. Control Options: As the behavior of the circuit is determined by firmware in the microcontroller, specific customer requirements such as: * latching thermal protection * custom valid input voltage range * controlled delay from initiating an ON/OFF signal for power sequencing can be accomplished with no change to hardware. The standard behavior was chosen based on system design experience but we understand that customers often have their own requirements. Please consult Galaxy Power for your special needs. Remote Sense: The output voltage is regulated at the point where the sense pins connect to the power output pins. Total sense compensation should not exceed 1V. Safety: An external input fuse must always be used to meet these safety requirements. Trim: To trim the output voltage higher, connect the required trim resistor from the Trim pin to the +Sense pin. To trim the output voltage lower, connect the required trim resistor from the Trim pin to the -Sense pin. See diagram below. Trim-down 1000 Trim Resistance (k) 100 10 0 0 1 2 3 4 5 6 7 8 9 10 Decrease in Output Voltage (%) RTRIM-DOWN= { 100 % -2 } k 52V Trim-up 10000 Trim Resistance (k) 1000 100 0 1 2 3 4 5 6 7 8 9 10 Increase in Output Voltage (%) External Output Trimming 6 6 RTRIM-UP = { Vo (100+%) (100+2%) 1.225% - % } k 7 7 8 8 GHBW53V08A - 4 WWW.GALAXYPWR.COM Westborough, MA 01581 Telephone: 508-870-9775 Part No. 02-GHB-03 Rev. 0.94- 031605 Galaxy Power Inc. 155 Flanders Road Fax: 508-870-9796 e-mail: info@galaxypwr.com GHBW53V08 OPERATION Efficiency 95 94 35 93 92 91 90 89 88 87 86 85 0 1 2 3 4 5 6 7 8 Power Dissipation Power Dissipation (W) Efficiency (%) 30 25 20 15 10 5 0 0 1 2 3 4 5 6 7 8 38V Vin 42V Vin 48V Vin 38V Vin 42V Vin 48V Vin Output Current (A) Output Current (A) Output Enable Conditions: Vin = 42V, Iout = 0A Output Enable Conditions: Vin = 42V, Iout = 8A CH2 CH2 CH1 CH1 1) Vout 10V/div 10mS/div 2) Enable 2V/div 1) Vout 10V/div 10mS/div 2) Enable 2V/div Overvoltage Protection Conditions: Vin = 42V, Iout =1A 70 54.0 53.8 Line/Load Regulation Output Voltage (V) 60 50 53.6 53.4 53.2 53.0 52.8 52.6 52.4 52.2 52.0 0 1 2 3 4 5 Vout (V) 40 30 20 10 38V Vin 42V Vin 48V Vin 6 7 8 -10 Output Current (A) 0 2 4 6 8 10 12 14 16 18 20 Time (ms) Part No. 02-GHB-03 Rev. 0.94- 031605 WWW.GALAXYPWR.COM Telephone: 508-870-9775 Fax: 508-870-9796 GHBW53V08 - 5 Galaxy Power Inc. 155 Flanders Road Westborough, MA 01581 e-mail: info@galaxypwr.com GHBW53V08 Operation Voltage Ripple Conditions: Vin = 42V, Iout = 8A Transient Response Vin = 42V, Step load 2A-6A @1A/S 1) Vout 500mV/div 400S/div 1) Vout 50mV/div 2S/div 180F ext Cap, 20MHz BW Back Bias CH1 CH2 1) Vout 10V/div 10mS/div 2) Enable 2V/div GHBW53V08A - 6 WWW.GALAXYPWR.COM Westborough, MA 01581 Telephone: 508-870-9775 Part No. 02-GHB-03 Rev. 0.94- 031605 Galaxy Power Inc. 155 Flanders Road Fax: 508-870-9796 e-mail: info@galaxypwr.com Package Detail Pin Configuration -- 0.5 0.01 MOUNTING INSERT CONNECTED TO CASE PIN 2 2.000 PIN 4, PIN 3, 2.40 PIN 2, PIN 1, .700 .300 0 .20 0 .19 BOTTOM VIEW 2.28 1.900 1.700 1.300 1.700 PIN 5 1.300 PIN 6 1.000 PIN 7 .700 PIN 8 .300 PIN 9 0 REF. MOUNTING INSERT M3 X 0.5, 4 PLACES SIDE VIEW Bottom View Pin No. Function Pin Dia. (in.) 1 2 3 4 5 6 7 8 9 + Input On/Off Case Ground Pin - Input - Output - Sense Trim + Sense + Output 0.040 0.040 0.040 0.040 0.080 0.040 0.040 0.040 0.080 Notes: 1. Mechanical tolerances x.xxx in. = 0.005 in. x.xx in. = 0.01 in. 2. Pin material: brass with tin/lead plating over nickel 3. Workmanship: Meets or exceeds IPC-A-610B Class II 4. Min. screw length for heatsink attachment = 4.5mm + heatsink flange + locking hardware. ORDERING INFORMATION Part Number Input Voltage Output Voltage Max Current GHBW53V08* 48V 53V 8A * Options: E = 0.18" Pins ( .01") M = 0.145" Pins ( .01")(Std.) S = 0.12" Pins ( .01") Example Part Number: GHBW53V08 M R G -00X Part Number Options: Pin Length E = 0.18" M = 0.145" (Std.) S = 0.12" Heatsink-ready Plate (Std.) Case Ground Pin (Std.) Heatsink 001 = 0.25" 002 = 0.50" 003 = 1.00" 004 = 0.13" Galaxy Power Inc. warrants to the original purchaser that the products conform to this data sheet and are free from material and workmanship defects for a period of two (2) years from the date of manufacture, if this product is used within specified conditions. Galaxy Power Inc. reserves the right to make changes to the product(s) or information contained herein without notice. No liability is assumed as a result of their use or application. No rights under any patent accompany the sale of any such products or information. For additional details on this limited warranty consult the factory. Part No. 02-GHB-03 Rev. 0.94- 031605 WWW.GALAXYPWR.COM Telephone: 508-870-9775 Fax: 508-870-9796 GHBW53V08 - 7 Galaxy Power Inc. 155 Flanders Road Westborough, MA 01581 e-mail: info@galaxypwr.com |
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