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AZ384XGPTR-E1 Datasheet(PDF) 5 Page - Advanced Analogic Technologies |
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AZ384XGPTR-E1 Datasheet(HTML) 5 Page - Advanced Analogic Technologies |
5 / 10 page GREEN MODE PWM CONTROLLER AP384XG Preliminary Datasheet BCD Semiconductor Manufacturing Limited (VCC=15V, RT=10kΩ CT=3.3nF, TA= -40 to 85oC, unless otherwise specified.) Electrical Characteristics Parameter Symbol Conditions Min Typ Max Unit REFERENCE SECTION Reference Output Voltage VREF TJ=25oC, IREF=1mA 4.95 5.00 5.05 V Total Output Variation Line, Load, Temp. 4.9 5.10 V Line Regulation ∆VREF 12V ≤ VCC ≤25V 4 15 mV Load Regulation ∆VREF 1mA ≤ IREF ≤20mA 4 15 mV Short Circuit Output Current ISC TA=25oC -100 -180 mA Temperature Stability 0.2 0.4 mV/oC UNDER VOLTAGE LOCK OUT SECTION Start-up Threshold AP3842G/AP3844G 15 16 17 V AP3843G/AP3845G 7.8 8.4 9.0 Minimum Operating Voltage AP3842G/AP3844G 8.5 10 11.5 V AP3843G/AP3845G 7.0 7.6 8.2 TOTAL STANDBY CURRENT SECTION Start-up Current VCC=14V 40 80 µA Operating Current VFB=0, VCS=0, CL=1nF 8 mA Standby Operating Current VFB=2.7V, VCS=0.5V 6 mA Zener Voltage ICC=25mA 30 34 V PWM SECTION Maximum Duty Cycle AP3842G/AP3843G 94 96 % AP3844G/AP3845G 46 48 50 Minimum Duty Cycle 0% OSCILLATOR SECTION Oscillation Frequency f TJ=25oC 47 52 57 KHz Oscillator Amplitude VOSC Pin RT/CT, peak to peak 1.7 V Temperature Stability 2 % Voltage Stability 12V ≤ VCC ≤ 25V 0.2 1 % Discharge Current VRT/CT = 2V (Note 4) 8.5 9.5 10.5 mA Note 4: This parameter is measured with RT=10kΩ to VREF, it contributes 0.3mA of current to the measured value. So the total current flowing into the CT pin will be 0.3mA higher than the measured value approximately. |
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