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NC12S0A0V40PNFA Datasheet(PDF) 2 Page - Delta Electronics, Inc. |
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NC12S0A0V40PNFA Datasheet(HTML) 2 Page - Delta Electronics, Inc. |
2 / 14 page DS_NC12S40A_02072007 2 TECHNICAL SPECIFICATIONS (TA=25°C, airflow rate=400LFM, Vin=12Vdc, nominal Vout unless otherwise noted) PARAMETER NOTES and CONDITIONS NC12S0A0V40 Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage 14 Vdc Operating Temperature 0 50 °C Storage Temperature -40 125 °C Input/Output Isolation Voltage Non-isolated NA V INPUT CHARACTERISTICS Operating Input Voltage 10.2 12 13.8 V Input Under-Voltage Lockout Turn-On Voltage Threshold 9.0 V Turn-Off Voltage Threshold 8.3 V Lockout Hysteresis Voltage 0.7 V Maximum Input Current 100% Load, 10.2Vin, 5Vout 23 A No-Load Input Current 160 mA Off Converter Input Current 40 mA Input Reflected-Ripple Current Refer to Figure 35 150 mA Input Voltage Ripple Rejection 120 Hz 55 dB Output Short-Circuit Input Current 1 A OUTPUT CHARACTERISTICS Output Voltage Adjustment Range 0.9 5.0 V Output Voltage Set Point Vin=12V, Io=Io,max, 1% trim resistors -3.0 +3.0 % Output Voltage Regulation Over Load Io=Io,min to Io,max -1.0 +1.0 % Over Line Vin=Vin,min to Vin,max -0.2 +0.2 % Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth Peak-to-Peak Full Load, 1µF ceramic, 10µF tantalum 50 mV RMS Full Load, 1µF ceramic, 10µF tantalum 15 mV Output Current Range 0 40 A Output Voltage Over-shoot at Start-up Vin=12V, Turn ON 1 % Output Voltage Under-shoot at Power-Off Vin=12V, Turn OFF 100 mV Output DC Current-Limit Inception 62 A DYNAMIC CHARACTERISTICS Out Dynamic Load Response 12Vin, 10µF Tan & 1µF Ceramic load cap, 10A/µs Positive Step Change in Output Current 50% Io,max to 75% Io,max 75 mV Negative Step Change in Output Current 75% Io,max to 50% Io,max 75 mV Settling Time Settling to be within regulation band (+/- 3.0%) 150 µs Turn-On Transient Io=Io.max Start-Up Time, From On/Off Control Vin=12V, Vo=10% of Vo,set 10 ms Start-Up Time, From Input Vo=10% of Vo,set 30 ms Minimum Output Startup Capacitive Load Ex: Three OSCON 6.3V/680µF (ESR 13mΩ max each) 2040 µF Maximum Output Startup Capacitive Load Full load 6120 µF Minimum Input Capacitance Ex: Two OSCON 16V/270µF (ESR 18mΩ max each) 540 µF EFFICIENCY Vo=0.9V Vin=12V, Io=30A 75 % Vo=1.2V Vin=12V, Io=30A 80 % Vo=1.5V Vin=12V, Io=30A 83 % Vo=1.8V Vin=12V, Io=30A 85 % Vo=2.5V Vin=12V, Io=30A 88 % Vo=3.3V Vin=12V, Io=30A 90 % Vo=5.0V Vin=12V, Io=30A 92 % FEATURE CHARACTERISTICS Switching Frequency 300 KHz ON/OFF Control Positive logic (internally pulled high) Logic High Module On (or leave the pin open) 2.4 5.5 V Logic Low Module Off 0 0.8 V Remote Sense Range 400 mV GENERAL SPECIFICATIONS MTBF Telcordia SR-332 Issue1 Method1 Case3 at 50C 2.5 M hours Weight 37 grams Over-Temperature Shutdown Auto restart, refer to Figs 36 & 41 for the measuring point 130 °C |
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