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DNT04S0A0R05NFA Datasheet(PDF) 2 Page - Delta Electronics, Inc. |
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DNT04S0A0R05NFA Datasheet(HTML) 2 Page - Delta Electronics, Inc. |
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2 / 14 page  DS_DNT04SMD3A_12182008 2 TECHNICAL SPECIFICATIONS (TA = 25°C, airflow rate = 300 LFM, Vin = 5 Vdc, nominal Vout unless otherwise noted.) PARAMETER NOTES and CONDITIONS DNT04S0A0S03NFA Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage (Continuous) 0 5.8 Vdc Operating Temperature Refer to Figure 32 for measuring point -40 125 °C Storage Temperature -55 125 °C INPUT CHARACTERISTICS Operating Input Voltage Vo ≦ Vin –0.5V 2.4 5.5 V Input Under-Voltage Lockout Turn-On Voltage Threshold 2.05 V Turn-Off Voltage Threshold 1.9 V Maximum Input Current Vin=4.5V, Vo=3.3V, Io=3A 2.5 A No-Load Input Current 20 30 mA Off Converter Input Current 1 mA Inrush Transient Vin=2.4V to 5.5V, Io=Io, min to Io, max 0.1 A 2S Recommended Inout Fuse TBD A OUTPUT CHARACTERISTICS Output Voltage Set Point Vin=5V, Io=Io, max -2.5 Vo,set +2.5 % Vo,set Output Voltage Adjustable Range 0.7525 3.63 V Output Voltage Regulation Over Line Vin=2.4V to 5.5V 0.2 % Vo,set Over Load Io=Io,min to Io,max 0.2 % Vo,set Over Temperature Ta=-40℃ to 85℃ 0.4 % Vo,set Total Output Voltage Range Over sample load, line and temperature -3.0 +3.0 % Vo,set Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth Peak-to-Peak Full Load, 1µF ceramic, 10µF tantalum 30 50 mV RMS Full Load, 1µF ceramic, 10µF tantalum 10 15 mV Output Current Range 0 3 A Output Voltage Over-shoot at Start-up 1 % Vo,set Output DC Current-Limit Inception 200 % Io Output Short-Circuit Current (Hiccup Mode) Io,s/c 1.6 Adc (rms) DYNAMIC CHARACTERISTICS Dynamic Load Response 10µF Tan & 1µF Ceramic load cap, 2.5A/µs Positive Step Change in Output Current 50% Io, max to 100% Io, max 220 mV Negative Step Change in Output Current 100% Io, max to 50% Io, max 220 mV Setting Time to 10% of Peak Devitation 50 µs Turn-On Transient Io=Io.max Start-Up Time, From On/Off Control Von/off, Vo=10% of Vo,set 7 ms Start-Up Time, From Input Vin=Vin,min, Vo=10% of Vo,set 7 ms Maximum Output Startup Capacitive Load Full load; ESR ≧1mΩ 1000 µF Full load; ESR ≧10mΩ 3000 µF EFFICIENCY Vo=3.3V Vin=5V, 100% Load 93.0 % Vo=2.5V Vin=5V, 100% Load 90.0 % Vo=1.8V Vin=5V, 100% Load 87.0 % Vo=1.5V Vin=5V, 100% Load 85.0 % Vo=1.2V Vin=5V, 100% Load 83.0 % Vo=0.75V Vin=5V, 100% Load 77.0 % FEATURE CHARACTERISTICS Switching Frequency 300 kHz ON/OFF Control, (For Negative logic) Logic Low Voltage Module On, Von/off -0.2 0.3 V Logic High Voltage Module Off, Von/off 2.5 Vin.max V Logic Low Current Module On, Ion/off 10 µA Logic High Current Module Off, Ion/off 0.2 1 mA ON/OFF Control, (For Positive logic) Logic HighVoltage Module On, Von/off Vin.max V Logic Low Voltage Module Off, Von/off -0.2 0.3 V Logic High Current Module On, Ion/off 10 µA Logic Low Current Module Off, Ion/off 0.2 1 mA GENERAL SPECIFICATIONS MTBF Io=100% of Io, max; Ta=25°C 21.44 M hours Weight 2.3 grams |
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