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PQ40050QGA25NNS Datasheet(PDF) 3 Page - SynQor Worldwide Headquarters |
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PQ40050QGA25NNS Datasheet(HTML) 3 Page - SynQor Worldwide Headquarters |
3 / 14 page Product # PQ40050QGA20 Phone 1-888-567-9596 www.synqor.com Doc.# 005-2QG350D Rev. A 11/8/04 Page 3 Input: Input: Output: Output: Current: Current: P Package: ackage: 18-75 V 18-75 V 5.0 V 5.0 V 20 A 20 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 100 V continuous Operating 80 V continuous Operating Transient Protection 100 V 100ms transient, square wave 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 18 48 75 V Input Under-Voltage Lockout Turn-On Voltage Threshold 15.5 16.0 16.5 V Turn-Off Voltage Threshold 14.0 14.5 15.0 V Lockout Voltage Hysteresis 1.0 1.5 2.0 V Maximum Input Current 7.5 A 100% Load, 18 Vin No-Load Input Current 80 160 mA Disabled Input Current 1.6 4 mA Inrush Current Transient Rating 0.03 A2s Response to Input Transient 300 mV 1000V/ms input transient, 18V-48V step Input Reflected Ripple Current 5 mA P-P thru 10µH inductor; Figures 17 & 19 Input Terminal Ripple Current 145 mA RMS; Figures 17 & 18 Recommended Input Fuse 20 A fast blow external fuse recommended Input Filter Component Values (L\C) 1.5\6.6 µH\µF internal values, see Figure E Recommended External Input Capacitance 47 µF Typical ESR 0.1-0.2 Ω, see Figure 17 OUTPUT CHARACTERISTICS Output Voltage Set Point 4.950 5.000 5.050 V Output Voltage Regulation Over Line +0.05 \ 2 +0.2 \ 10 %\mV Over Load +0.05 \ 2 +0.2 \ 10 %\mV Over Temperature +25 +75 mV Total Output Voltage Range 4.87 5.13 V over sample, line, load, temperature & life Output Voltage Ripple and Noise1 20MHz bandwidth; Figures 17 & 20 Peak-to-Peak 50 100 mV Full Load, see Figures 17 & 20 RMS 10 20 mV Full Load, see Figures 17 & 20 Operating Output Current Range 0 20 A Subject to thermal derating; Figures 5-12 Output DC Current-Limit Inception 21 24 26 A Output Voltage 10% Low; Figure 21 Output DC Current-Limit Shutdown Voltage 1.75 V Back-Drive Current Limit while Enabled 0.2 0.7 1.25 A Negative current drawn from output Back-Drive Current Limit while Disabled 0 10 50 mA Negative current drawn from output Maximum Output Capacitance 6,000 µF 5.0Vout at 20A Resistive Load DYNAMIC CHARACTERISTICS Input Voltage Ripple Rejection 80 dB 120 Hz; Figure 24 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 15 For a Step Change in Output Current (5A/µs) 200 mV 50% to 75% to 50% Iout max; Figure 16 Settling Time 300 µs to within 1% Vout nom Turn-On Transient Turn-On Time 8 12 ms Full load, Vout=90% nom.; Figures 13 & 14 Start-Up Inhibit Time 180 200 240 ms -40°C to +125°C; Figure F Output Voltage Overshoot 0 % 6,000 µF load capacitance, Iout = 0A EFFICIENCY 100% Load (24Vin) 89 % Figures 1 - 4, 24Vin 50% Load (24Vin) 90 % Figures 1 - 4, 24Vin 100% Load (48Vin) 87.5 % Figures 1 - 4, 48Vin 50% Load (48Vin) 89 % Figures 1 - 4, 48Vin 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 - 12 for derating curves ISOLATION CHARACTERISTICS Isolation Voltage (dielectric strength) 2000 V Isolation Resistance 30 M Ω Isolation Capacitance2 470 pF PQ40050QGA20 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) Note 2: Higher values of isolation capacitance can be added external to the module. |
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