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ACE2596ADJWM+H Datasheet(PDF) 4 Page - ACE Technology Co., LTD. |
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ACE2596ADJWM+H Datasheet(HTML) 4 Page - ACE Technology Co., LTD. |
4 / 11 page ACE2596 150KHz 3A Buck DC-DC Converter VER 1.3 4 For ADJ Output Voltage Version Unless otherwise specified, TJ=25℃, The specifications with boldface type apply over Full Operating Junction Temperature Range. Parameter Symbol Conditions Min Typ Max Unit Output VOUT 4.5V≦VIN≦32V, 0.2A≦ILOAD≦3A VOUT programmed for 2.5V 1.193 1.180 1.23 1.267 1.280 V Efficiency η VIN=12V, ILOAD=3A, VOUT=2.5V 73 % Electrical Characteristics For AallOutput Voltage Versions Unless otherwise specified, VIN=12V for 3.3V, 5V and adjustable version, VIN=24V for 12V version, ILOAD=500mA, TJ=25℃. Specifications with boldface type apply over Full Operating Junction Temperature Range. Parameter Symbol Conditions Min Typ Max Unit Feedback Bias Current IFB Adjustable Version Only, VFB=1.3V 10 50 100 nA Oscillator Frequency f (Note 3) 127 110 150 173 173 kHz Saturation Voltage VSAT ILOAD=3A (No output devices, VFB=0V) 1.2 1.5 1.6 V Maximum Duty Cycle DMAX VFB=0V 100 % Minimum Duty Cycle DMIN VFB=1.3V 0 % Current Limit ICL Peak Current, No output devices, VFB=0V 3.6 3.4 4.5 6.9 7.5 A Output Leakage Current ISWL Output=0V, No output devices, VFB =1.3V, VIN=32V 50 μA Output=-1V, No output devices, VFB =1.3V, VIN=32V 2 30 mA Quiescent Current IQ VFB=1.3V 5 10 mA Standby Quiescent Current ISTBY ON/OFF Pin=5V, VIN=18V 80 200 250 μA ON/OFF Pin Logic Input Threshold Voltage VIL Regulator ON 0.6 V VIH Regulator OFF 2.0 V ON/OFF Pin Input Current IH VPIN5=2.5V (Regulator OFF) 5 15 μA IL VPIN5=2.5V (Regulator ON) 0.02 5 μA Note : 1. The switching frequency is reduced when the second stage current limit is activated. 2. The specifications with boldface are GBD (Guaranteed By Design). |
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