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PQ48015QNA25PKS Datasheet(PDF) 3 Page - SynQor Worldwide Headquarters |
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PQ48015QNA25PKS Datasheet(HTML) 3 Page - SynQor Worldwide Headquarters |
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3 / 13 page  Product # PQ48015QNA25 Phone 1-888-567-9596 Doc.# 005-2QN451D_C 9/4/01 Page 3 Technical Specification 48Vin 1.5Vout 25A Quarter Quarter Brick Brick PARAMETER NOTES and CONDITIONS PQ48015QNA25 Min. Typ. Max. Units 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 100% Load, 35Vin 1.3 A No-Load Input Current 45 60 mA Off Converter Input Current 1.6 3 mA Inrush Current Transient Rating .01 A2s Input Reflected-Ripple Current P-P thru 10µH inductor; Figures 13 & 15 3 mA OUTPUT CHARACTERISTICS Output Voltage Set Point 1.485 1.500 1.515 V Output Voltage Regulation Over Load +2 +5mV Over Line +2 +5mV Over Temperature +6 +20 mV Total Output Voltage Range over sample load, line and temperature 1.46 1.54 V Output Voltage Ripple and Noise 20MHz bandwidth; Figures 13 & 16 Peak-to-Peak Full Load, 1µF ceramic, 10µF tantalum 50 100 mV RMS Full Load, 1µF ceramic, 10µF tantalum 10 20 mV Operating Output Current Range 025 A Output DC Current-Limit Inception Output Voltage 10% Low; Figure 17 26 30 34 A Short-Circuit Protection (redundant shutdown) 52 56 60 A DYNAMIC CHARACTERISTICS Input Voltage Ripple Rejection 120 Hz; Figure 20 82 dB Output Voltage Current Transient 470µF load cap, 5A/µs; Figure 12 Positive Step Change in Output Current 50% Io to 75% Io 160 mV Negative Step Change in Output Current 75% Io to 50% Io 200 mV Settling Time to 1% 800 µs Turn-On Transient Turn-On Time Figures 9 & 10 4 8 ms Start-Up Inhibit Period -40°C to +125°C; Figure F 180 200 215 ms Maximum Output Capacitance Full load; 5% overshoot of Vout at startup 40,000 µF EFFICIENCY 100% Load Figure 1 81.0 % 50% Load 84.0 % TEMPERATURE LIMITS FOR POWER DERATING CURVES Semiconductor Junction Temperature Package rated to 150°C 125 °C Board Temperature Board rated to 165°C 125 °C Transformer Temperature Figures 5 & 7 125 °C ISOLATION CHARACTERISTICS Isolation Voltage 2000 V Isolation Resistance 10 M Ω Isolation Capacitance 470 pF FEATURE CHARACTERISTICS Switching Frequency 190 210 230 kHz ON/OFF Control (Option P) Off-State Voltage -2 0.8 V On-State Voltage 2.4 18 V ON/OFF Control (Option N) Off-State Voltage 2.4 18 V On-State Voltage -2 0.8 V ON/OFF Control (Either Option) Pull-Up Voltage See circuit diagram; Figure E Vin/6.5 9.2 V Pull-Up Resistance Pull up to Vin/6 40 k Ω Output Voltage Trim Range Across Pins 8 & 4 -20 +10 % Output Voltage Remote Sense Range Across Pins 7 & 5 +10 % Output Over-Voltage Protection Over full temp range; % of nominal Vout 124 129 134 % Over-Temperature Shutdown Average PCB Temperature 125 °C PQ48015QNA25 ELECTRICAL CHARACTERISTICS (TA=25°C, airflow rate=300 LFM, Vin=48Vdc unless otherwise noted; full operating temperature range is -40°C to +115°C ambient temperature with appropriate power derating.) Specifications subject to change without notice. |
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