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AP1121ASA Datasheet(PDF) 3 Page - Anachip Corp |
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AP1121ASA Datasheet(HTML) 3 Page - Anachip Corp |
3 / 5 page AP1121 Dual 1A Low Dropout Positive Regulator Anachip Corp. www.anachip.com.tw Rev. 0.0 Mar. 4, 2004 3/6 Electrical Characteristics (Under Operating Conditions) PARAMETER CONDITIONS MIN TYP MAX UNIT AP1121_ - VOUT1 IOUT = 10mA, TJ = 25 oC, 4.8V≦VIN≦12V 3.235 3.300 3.365 V AP1121A - VOUT2 IOUT = 10mA, TJ = 25 oC, 4V≦VIN≦12V 2.450 2.500 2.550 V Output Voltage AP1121B - VOUT2 IOUT = 10mA, TJ = 25 oC, 4V≦VIN≦12V 1.764 1.800 1.836 V Line Regulation IO=10mA,VOUT+1.5V<VIN<12V, TJ=25 oC 0.2 % AP1121 series VOUT1 VIN = 5V, 0≦IOUT≦1A, TJ=25 oC (Note 1,2) 26 33 mV Load Regulation AP1121 series VOUT2 VIN=4V, 0mA<Io<1A, TJ=25 oC (Note 1,2) 20 25 mV Dropout Voltage (VIN-VOUT) IOUT = 1A,∆VOUT=0.1%VOUT 1.3 1.4 V Current Limit (VIN-VOUT) = 5V 1. 1 A Minimum Load Current 0 oC≦Tj≦125oC (Note 3) 5 10 mA Thermal Regulation TA=25 oC, 30ms pulse 0.008 0.04 %/W Ripple Rejection F=120Hz,COUT=25uF Tantalum, IOUT=1A 60 70 dB Temperature Stability IO=10mA 0.5 % JA θ Thermal Resistance Junction-to-Ambient (No heat sink; No air flow) SOP8: Control Circuitry/Power Transistor (Note4) CH1 or CH2 only CH1 & CH2 and PD1=PD2 50 45 OC/W JC θ Thermal Resistance Junction-to-Case SOP8: Control Circuitry/Power Transistor (Note 4) CH1 or CH2 only CH1 & CH2 and PD1=PD2 20 12 OC/W Note1: See thermal regulation specifications for changes in output voltage due to heating effects. Line and load regulation are measured at a constant junction temperature by low duty cycle pulse testing. Load regulation is measured at the output lead = 1/18” from the package. Note2: Line and load regulation are guaranteed up to the maximum power dissipation of 15W. Power dissipation is determined by the input/output differentially and the output current. Guaranteed maximum power dissipation will not be available over the full input/output range. Note3: Quiescent current is defined as the minimum output current that requires maintaining regulation. At 12V input/output differential the device is guaranteed to regulate if the output current is greater than 10mA. Note4: Vout1 and Vout2 are connected to the PCB cupper area 5.5mm*5.5mm separately. If you need large PD or lower Tc & Tj, please connect to the large cupper area >> 5.5mm*5.5mm (like 10mm*10mm). |
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