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PQ24033QGL25NKS Datasheet(PDF) 3 Page - SynQor Worldwide Headquarters |
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PQ24033QGL25NKS Datasheet(HTML) 3 Page - SynQor Worldwide Headquarters |
3 / 13 page Product # PQ24033QGL25 Phone 1-888-567-9596 www.synqor.com Doc.# 005-2QL233D Rev. A 06/23/05 Page 3 Input: Input: Output: Output: Current: Current: PPackage: ackage: 18-36 V 18-36 V 3.3 V 3.3 V 25 A 25 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 50 V continuous Operating 40 V continuous Operating Transient Protection 50 V < 10µs, 1% duty cycle 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 24 36 V Input Under-Voltage Lockout Turn-On Voltage Threshold 15.5 16.5 17.5 V Turn-Off Voltage Threshold 14.0 15.0 16.0 V Lockout Voltage Hysteresis 0.5 1.5 2.5 V Maximum Input Current 5.5 A 100% Load, 18 Vin No-Load Input Current 100 140 mA Disabled Input Current 1.6 3 mA Inrush Current Transient Rating 0.03 A2s Input Reflected Ripple Current 20 mA P-P thru 10µH inductor; Figures 13 & 15 Input Terminal Ripple Current 280 mA RMS; Figures 13 & 14 Recommended Input Fuse 20 A fast blow external fuse recommended Input Filter Component Values (L\C) 1.0\11 µH\µF internal values, see Figure E Recommended External Input Capacitance 100 µF Typical ESR 0.1-0.2 Ω, 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 3.21 3.39 V over sample, line, load, temperature & life Output Voltage Ripple and Noise1 20MHz bandwidth; Fig. 13 & 16 Peak-to-Peak 30 60 mV Full Load, see Figures 13 & 16 RMS 5 10 mV Full Load, see Figures 13 & 16 Operating Output Current Range 0 25 A Subject to thermal derating; Figures 5-8 Output DC Current-Limit Inception 26 28.5 30 A Output Voltage 10% Low; Figure 17 Output DC Current-Limit Shutdown Voltage 1.7 V Back-Drive Current Limit while Enabled 0.5 1.0 1.5 A Negative current drawn from output Back-Drive Current Limit while Disabled 0 10 20 mA Negative current drawn from output Maximum Output Capacitance 20,000 µF 3.3Vout at 25A Resistive Load DYNAMIC CHARACTERISTICS Input Voltage Ripple Rejection 55 dB 120 Hz; Fig. 20 Output Voltage During Load Current Transient For a Step Change in Output Current (0.16A/µs) 160 mV 50% to 75% to 50% Iout max; Figure 11 For a Step Change in Output Current (0.4A/µs) 160 mV 50% to 75% to 50% Iout max; Figure 12 Settling Time 500 µs to within 1% Vout nom Turn-On Transient Turn-On Time 1 12 14 ms Full load, Vout=90% nom.; Figures 9 & 10 Start-Up Inhibit Time 180 200 240 ms -40°C to +125°C; Figure F Output Voltage Overshoot 0 % 10,000 µF load capacitance, Iout = 0A EFFICIENCY 100% Load 87 % Figures 1 - 4 50% Load 90.5 % 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 (dielectric strength) 2000 V Isolation Resistance 30 M Ω Isolation Capacitance2 470 pF PQ24033QGL25 ELECTRICAL CHARACTERISTICS TA=25°C, airflow rate=300 LFM, Vin=24Vdc 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. 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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