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BQ55090QPA40NRS Datasheet(PDF) 3 Page - SynQor Worldwide Headquarters |
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BQ55090QPA40NRS Datasheet(HTML) 3 Page - SynQor Worldwide Headquarters |
3 / 13 page Product # BQ55090QPA40 Phone 1-888-567-9596 www.synqor.com Doc.# 005-2BQ559K Rev. A 3/6/07 Page 3 Input: Input: Output: Output: Current: Current: PPackage: ackage: 35-55 V 35-55 V 9.6 V 9.6 V 43 A 43 A Quarter-brick Quarter-brick T Technical S echnical Specification pecification Parameter Min. Typ. Max. Units Notes & Conditions ABSOLUTE MAXIMUM RATINGS Input Voltage Non-Operating 60 V Continuous Operating 55 V Continuous Isolation Voltage (input to output) 2000 V Basic insulation, Pollution Degree 2 Operating Temperature -40 100 °C Storage Temperature -55 125 °C Voltage at ON/OFF input pin -2 18 V INPUT CHARACTERISTICS Operating Input Voltage Range 35 48 55 V Input Under-Voltage Lockout Turn-On Voltage Threshold 30 34 V Turn-Off Voltage Threshold 29 31 V Lockout Voltage Hysteresis 2 4 V Input Over-Voltage Shutdown Turn-Off Voltage Threshold 58.5 59.5 V Turn-On Voltage Threshold 57 58 V Maximum Input Current 9.5 A 100% Load, 35 Vin No-Load Input Current 0.13 A Disabled Input Current 7.0 15 mA Inrush Current Transient Rating 0.01 A2s Input Reflected Ripple Current 7 10 mA RMS through 10µH inductor; Figure 14 Input Terminal Ripple Current 140 mA RMS; Figure 13 Recommended Input Fuse 20 A Fast blow external fuse recommended Input Filter Component Values (L\C) 0.22\11 µH\µF Internal values Recommended External Input Capacitance 47 µF Typical ESR 0.1-0.2W, OUTPUT CHARACTERISTICS Output Voltage Set Point 9.6 V 48Vin, no load Output Voltage Regulation Over Line 42\4.0 %\V Over Load 5.2\500 %\mV Over Temperature 2\200 %\mV Total Output Voltage Range 6.5 11.0 V Over sample, line, load, temperature & life Output Voltage Ripple and Noise 20MHz bandwidth Peak-to-Peak 50 100 mV Full Load; see Figure 15 RMS 12 mV Full Load Operating Output Current Range 0 43 A Subject to derating Output DC Current-Limit Inception 50 A Output DC Current-Limit Shutdown Voltage 5 V Current Share Accuracy (3 units paralleled) +10 % Above 50% of rated output current Back-Drive Current Limit while Disabled 10 mA Negative current drawn from output Maximum Output Capacitance 4,000 µF 9.6Vout at 40A Resistive Load DYNAMIC CHARACTERISTICS Input Voltage Ripple Rejection 14 dB Figure 19 Output Voltage during Load Current Transient For a Step Change in Output Current (0.1A/µs) 200 mV 50%-75%-50% Iout max; Figure 11 Settling Time 100 µs To within 1% Vout nom Turn-On Transient Turn-On Time (without output capacitance) 250 µs Full load, Vout=90% nom., 0 output cap. Turn-On Time (with output capacitance) 3 5 ms Full load, Vout=90% nom., 3,000 µF cap. Output Voltage Overshoot 0 % 3,000 µF load cap., Iout = 0A, Vin nom. EFFICIENCY 93% Load 96.5 % Figure 1; 48Vin, 40A 50% Load 97.0 % Figure 1 TEMPERATURE LIMITS FOR POWER DERATING CURVES Semiconductor Junction Temperature (see Note 1) 125 °C Package rated to 175°C Board Temperature 125 °C Board rated to 165°C Transformer Temperature 125 °C ISOLATION CHARACTERISTICS Isolation Voltage (dielectric strength) 2000 V Isolation Resistance 30 MW 1. For normal operating conditions of 55°C ambient temperature and 200 LFM airflow. Device is designed to operate for a minimum of 72 hours, once per year under the following conditions: 70°C, 200 LFM airflow, 38Vin, 300W output power. Junction temperature during those conditions will exceed the listed specification. BQ55090QPA40 ELECTRICAL CHARACTERISTICS TA=25°C, airflow rate=300 LFM, Vin=48Vdc unless otherwise noted; full operating temperature range is -40°C to +100°C ambient tem- perature with appropriate power derating. Specifications subject to change without notice. |
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