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PQ60033QTA35PRS Datasheet(PDF) 3 Page - SynQor Worldwide Headquarters |
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PQ60033QTA35PRS Datasheet(HTML) 3 Page - SynQor Worldwide Headquarters |
3 / 13 page Product # PQ60033QTA35 Phone 1-888-567-9596 Doc.# 005-2QT633C Rev. C 3/6/03 Page 3 Technical Specification 48Vin 3.3Vout 35A Quarter Quarter Brick Brick 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; Figure 17 Isolation Voltage (input to output) 2000 V Basic level, 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 75 V Input Under-Voltage Lockout Turn-On Voltage Threshold 32 33 34 V Turn-Off Voltage Threshold 28.5 29.5 30.5 V Lockout Hysteresis Voltage 2.5 3.5 4.5 V Maximum Input Current 6.0 A 100% Load, 35 Vin, trim up, in current limit No-Load Input Current 70 120 mA Disabled Input Current 1.6 3 mA Inrush Current Transient Rating 0.01 A2s Response to Input Transient 150 mV 1000V/ms input transient; Figure 17 Input Reflected-Ripple Current 7 mA P-P thru 10µH inductor; Figs. 13 & 15 Recommended Input Fuse 7 A fast blow external fuse recommended Input Filter Component Values (C1\L\C2) 1\5\3 µF\µH\µF internal values, see Figure E Recommended External Input Capacitance 33 47 µF see Figure 13 OUTPUT CHARACTERISTICS Output Voltage Set Point 3.267 3.300 3.333 V Output Voltage Regulation Over Line +0.05 \ 2 +0.15 \ 5 %\mV Over Load +0.05 \ 2 +0.15 \ 5 %\mV Over Temperature +17 +50 mV Total Output Voltage Range 3.207 3.393 V over sample, line, load, temperature & life Output Voltage Ripple and Noise 500MHz bandwidth; Fig. 13 & 16 Peak-to-Peak 50 100 mV Full Load, see Figures 13 & 16 RMS 10 20 mV Full Load, see Figures 13 & 16 Operating Output Current Range 0 35 A Output DC Current-Limit Inception 38 42 46 A Output Voltage 10% Low Output DC Current-Limit Shutdown Voltage 1.64 V Back-Drive Current Limit while Enabled 0.5 1.3 2.5 A Max negative current drawn from output Back-Drive Current Limit while Disabled 0 10 50 mA Max negative current drawn from output Maximum Output Capacitance 24,000 µF 3.3Vout at 35A Resistive Load DYNAMIC CHARACTERISTICS Input Voltage Ripple Rejection 60 dB 120 Hz; Fig. 20 Output Voltage during Load Current Transient Step Change in Output Current (0.1A/µs) 80 mV 50% to 75% to 50% Iout max; Figure 11 Step Change in Output Current (1A/µs) 200 mV 50% to 75% to 50% Iout max; Figure 12 Settling Time 400 µs to within 1% Vout nom Turn-On Transient Turn-On Time 4 8 ms Full load, Vout=90% nom.; Figs. 9 & 10 Start-Up Inhibit Time 180 200 215 ms -40°C to +125°C; Figure F Output Voltage Overshoot 0 % 10,000 µF load capacitance, Iout = 0A EFFICIENCY 100% Load 88.5 90.5 % Figures 1 - 4 50% Load 90 92 % Figures 1 - 4 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 2000 V Isolation Resistance 10 M Ω Isolation Capacitance 470 pF PQ60033QTA35 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 temperature with appropriate power derating. Specifications subject to change without notice. |
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