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ACE722AFM+H Arkusz danych(PDF) 4 Page - ACE Technology Co., LTD. |
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ACE722AFM+H Arkusz danych(HTML) 4 Page - ACE Technology Co., LTD. |
4 / 9 page ACE722A Technology 2A PWM BUCK DC-DC Converter VER 1.2 4 Electrical Characteristics (Vcc=12V, VOUT=5V, TA=25℃, unless otherwise noted.) Parameter Symbol Conditions Min Typ Max Units Input Voltage VIN 4.75 25 V Shutdown Quiescent Current ISHDN VEN=0.4V 44 60 μA Quiescent Current IQ VEN=2V, VFB=1.3V 1.3 2 mA Feedback Voltage VFB VIN=5V to 25V 0.784 0.8 0.816 V Feedback Bias Current IFB VFB=1.3V -0.1 -0.5 μA Switch Current Limit ILIM 2.5 3.4 A Oscillator Frequency fosc 336 420 504 kHz Frequency of Current Limit or Short Circuit Protection fosc1 VFB<0.52V 40 kHz Error Amplifier Voltage Gain GV 1000 V/V Error Amplifier Transconductance GS 700 μA/V VH 1.5 V EN Pin Threshold VL 0.7 V EN Pin Input Leakage Current IEN VEN=2.5V -5 -10 μA Internal PMOS ON Resistance RDSON VIN=12V VFB=0.65V VEN=12V,IOUT=2A 130 150 mΩ Maximum Duty Cycle DMAX VFB=0.65V, ISW=0.1A 100 % Thermal Shutdown TOTSD 155 ℃ Thermal Shutdown Hysteresis THYS 20 ℃ Typical Performance Characteristics VCC=12V, VOUT=5V, TA=25℃, unless otherwise specified Output Current (A) Temperature (℃) Figure 1. Efficiency vs. Output Current Figure 2. Operation Frequency vs. Temperature |
Podobny numer części - ACE722AFM+H |
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