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Q54SG12050NRFJ Datasheet(PDF) 3 Page - Delta Electronics, Inc. |
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Q54SG12050NRFJ Datasheet(HTML) 3 Page - Delta Electronics, Inc. |
3 / 26 page DS_Q54SG12050_09092016 3 TECHNICAL SPECIFICATIONS (TA=25°C, airflow rate=300 LFM, Vin=54Vdc, nominal Vout unless otherwise noted.) PARAMETER NOTES and CONDITIONS Q54SG12050 Min. Typ. Max. Units PMBus Signal Interface Characteristics Logic Input Low (VIL) C2, Data, SMBAlert, Clock pin 0 0.8 V Logic Input High (VIH) C2, Data, SMBAlert, Clock pin 2.1 3.3 V Logic Onput Low (VOL) C2, Data, SMBAlert, Clock pin; IOL=6mA 0.4 V Logic Onput High (VOH) C2, Data, SMBAlert, Clock pin; IOH=-6mA 2.6 V PMBus Operating Frequency Range 100 400 KHz PMBus Monitoring CHARACTERISTICS Output Current Reading Accuracy Io=50% ~ 100% of Io, max; -5 +5 % Io=5% ~ 50% of Io, max; -2 +2 A Output Voltage Reading Accuracy -2 +2 % Input Voltage Reading Accuracy -4 +4 % Temperature Reading Accuracy -5 +5 ℃ GENERAL SPECIFICATIONS MTBF Io=80% of Io, max; 300LFM; Ta=25°C 1.56 M hours Weight 66.5 grams Over-Temperature Shutdown (With heat spreader) Refer to Figure 19 for Hot spot 1 location (54Vin,80% Io, 200LFM,Airflow from Vin- to Vin+) 112 °C Over-Temperature Shutdown (With 0.5 ” height heat sink) Refer to Figure 22 for Hot spot 2 location (54Vin,80% Io, 200LFM,Airflow from Vin- to Vin+) 103 °C Over-Temperature Shutdown ( NTC resistor ) 125 °C N ote: Please attach thermocouple on NTC resistor to test OTP function, the hot spots’ temperature is just for reference. PIN DEFINATION Pin# Name Function Pin# Name Function 1 VIN(+) 7 C2 Secondary on/off control pin; The default configuration is set to ignore this input. And such pin can be reconfigured by the PMBus Interface. 2 ON/OFF Primary on/off control pin 8 Sig_Gnd Signal ground 3 VIN(-) 9 Data PMBus data line 4 VOUT(-) 10 SMBAlert PMBus SMBAlert line 5 Trim Trim pin 11 Clock PMBus clock line 6 VOUT(+) 12 Addr1 ADDR1 pin sets the high order digit of the address. 13 Addr0 ADDR0 pin sets the low order digit of the address. SIMPLIFIED APPLICATION CIRCUIT Vout(+) Trim Addr0 Addr1 Vout(-) Vin(+) Vin(-) On/off Delta DC/DC Module EMI filter Reverse polarity Protection Fuse Load Input Source System MCU CLOCK DATA C2 SMB -ALERT CLK DATA CTRL ALERT On/off control Vout(+) Trim Addr0 Addr1 Vout(-) Vin(+) Vin(-) On/off Delta DC/DC Module EMI filter Reverse polarity Protection Fuse Load Input Source System MCU CLOCK DATA C2 SMB -ALERT CLK DATA CTRL ALERT On/off control |
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