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BQ55120ETL16PRS Datasheet(PDF) 3 Page - SynQor Worldwide Headquarters |
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BQ55120ETL16PRS Datasheet(HTML) 3 Page - SynQor Worldwide Headquarters |
3 / 13 page Product # BQ55120ETL16 Phone 1-888-567-9596 www.synqor.com Doc.# 005-2BE552B Rev. A 03/16/06 Page 3 Input: Input: Output: Output: Current: Current: PPackage: ackage: 35-55 V 35-55 V 12 V 12 V 16 A 16 A (192W) (192W) Eighth-brick Eighth-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 56 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 32.0 V Turn-Off Voltage Threshold 30.5 V Lockout Voltage Hysteresis 1.5 V Input Over-Voltage Shutdown Turn-Off Voltage Threshold 59.0 V Turn-On Voltage Threshold 58.0 V Maximum Input Current 4.7 A 100% Load, 35Vin No-Load Input Current 0.1 A Disabled Input Current 7 15 mA Inrush Current Transient Rating 0.1 A2s Input Reflected Ripple Current 5 mA RMS through 10µH inductor; Figures 12 & 14 Input Terminal Ripple Current 50 100 mA RMS, full load; Figures 12 & 13 Recommended Input Fuse 12 A Fast blow external fuse recommended Input Filter Component Values (L\C) 1.5\2.0 µH\µF Internal values Recommended External Input Capacitance 47 µF Typical ESR 0.1-0.2 Ω, see Figure 12 OUTPUT CHARACTERISTICS Output Voltage Set Point 12.00 V 48Vin, no load Output Voltage Regulation Over Line +20 \ 2.4 %\V Figure 4 Over Load +4.1 \ 500 %\mV Figure 4 Over Temperature +1.7 \ 200 %\mV Figure 4 Total Output Voltage Range 8.0 13.8 V Over sample, line, load, temperature & life Output Voltage Ripple and Noise1 20MHz bandwidth; Figures 12 & 15 Peak-to-Peak 100 150 mV Full Load, see Figures 12 & 15 RMS 20 40 mV Full Load, see Figures 12 & 15 Operating Output Current Range 0 16 A Subject to thermal derating; Figures 5 - 8 Output DC Current-Limit Inception 25 A Output Voltage 10% Low; Figure 16 Output DC Current-Limit Shutdown Voltage Vin / 8 V Current Share Accuracy (2 units paralleled) +10 % % of rated output current Back-Drive Current Limit while Disabled 10 mA Negative current drawn from output Maximum Output Capacitance 3,000 µF 12Vout at 16A Resistive Load DYNAMIC CHARACTERISTICS Output Voltage during Load Current Transient For a Step Change in Output Current (0.1A/µs) 200 mV 50% to 75% to 50% Iout max; Figure 11 Settling Time 200 µs To within 1% Vout nom Turn-On Transient Turn-On Time 9 ms Full load, Vout=90% nom.; Figures 9 & 10 Start-Up Inhibit Time 3 ms -40°C to +125°C Output Voltage Overshoot 0 % 2,500 µF load capacitance, Iout = 0A EFFICIENCY 100% Load 95.3 % Figures 1 - 3 50% Load 95.5 % Figures 1 - 3 TEMPERATURE LIMITS FOR POWER DERATING CURVES Semiconductor Junction Temperature 125 °C Package rated to 150°C Board Temperature 125 °C UL rated max operating temp 130°C Transformer Temperature 125 °C See Figures 5 - 8 for derating curves ISOLATION CHARACTERISTICS Isolation Voltage (dielectric strength) 2000 V Isolation Resistance 30 M Ω BQ55120ETL16 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. Note 1: For applications requiring reduced output voltage ripple and noise, consult SynQor applications support (e-mail: support@synqor.com). |
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