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LD1596G-S08-T Folha de dados(PDF) 3 Page - Unisonic Technologies |
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LD1596G-S08-T Folha de dados(HTML) 3 Page - Unisonic Technologies |
3 / 5 page LD1596 Preliminary CMOS IC UNISONICTECHNOLOGIESCO.,LTD 3 of 5 www.unisonic.com.tw QW-R502-A36.a ABSOLUTE MAXIMUM RATING PARAMETER SYMBOL RATINGS UNIT Input Voltage VIN -0.3~45 V FB Pin Voltage VFB -0.3~VIN V EN Pin Voltage VEN -0.3~VIN V SW Pin Voltage VSW -0.3~VIN V Power Dissipation PD Internally limited mW Thermal Resistance (Junction to Ambient, No Heatsink, Free Air) RJA 50 °C/W Operating Junction Temperature TJ -40~125 °C Storage Temperature TSTG -65~150 °C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. THERMAL DATA PARAMETER SYMBOL RATINGS UNIT Junction to Ambient θJA 150 °C/W ELECTRICAL CHARACTERISTICS (TA=25°C, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT System Parameters Test Circuit Figure 1 Feedback Voltage VFB VIN=8V~32V, VOUT=5V, ILOAD=0.2A~2A 1.21 1.235 1.26 V Efficiency η VIN=12V, VOUT=5V, IOUT=2A 81 % ELECTRICAL CHARACTERISTICS (DC PARAMETERS) VIN=12V, GND=0V, VIN & GND parallel connect a 220uf/50V capacitor; IOUT=500mA, TA=25°C, the others floating unless otherwise specified PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Input Operation Voltage VIN 4.5 40 V Shutdown Supply Current ISTBY VEN=5V 80 200 uA Quiescent Supply Current IQ VEN=0V, VFB=VIN 2 5 mA Oscillator Frequency Fosc 127 150 172 Khz Switch current Limit IL VFB=0 3 A EN Pin Threshold VEN High (Regulator OFF) 1.4 V Low (Regulator ON) 0.8 V Output Saturation Voltage VCE VFB=0V, ISW=2A 1.1 1.4 V Constant Current Sense Voltage VCS 0.132 0.155 0.178 V |
Nº de peça semelhante - LD1596G-S08-T |
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Descrição semelhante - LD1596G-S08-T |
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