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AP3203MPTR-G1 Datasheet(PDF) 5 Page - BCD Semiconductor Manufacturing Limited |
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AP3203MPTR-G1 Datasheet(HTML) 5 Page - BCD Semiconductor Manufacturing Limited |
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5 / 11 page  Preliminary Datasheet 380kHz, 3A Asynchronous DC - DC Buck Converter AP3203 Mar. 2011 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 5 Electrical Characteristics VIN=VEN=12V, VOUT=3.3V, TA=25 oC, unless otherwise specified. And those in boldface type apply over the full operating temperature rang (TA=-40ºC to +85ºC). Parameter Symbol Conditions Min Typ Max Unit Input Voltage VIN 4.75 18 V Quiescent Current IQ VEN=2V, VFB=1.35V 1.0 1.5 mA Shutdown Supply Current ISHDN VEN=0V 1 10 µA Feedback Voltage VFB 1.185 1.222 1.258 V Feedback Over Voltage Threshold VFBOV 1.48 V Feedback SCP Voltage Threshold VFB_SCP 0.6 V Feedback Bias Current IFB VFB= 1V -0.1 0.1 µA Upper Switch On-resistance RDSONH ISW=0.5A 0.12 Ω Lower Switch On-resistance RDSONL ISW=0.05A 10 Ω High-side Switch Leakage Current ILEAKH VIN=18V, VEN=0V VSW=0V 0.1 10 µA High-side Switch Current Limit ILIMH 4 5.2 A Low-side Switch Current Limit ILIML From Drain to Source 0.15 A VENH 1.5 V EN Pin Threshold VENL 0.5 V EN Pull-up Current IEN_PH VEN=0V 1.0 µA Input UVLO Threshold VUVLO VIN Rising 3.55 3.85 4.15 V Input UVLO Hysteresis VHYS 0.3 V Oscillator Frequency fOSC1 380 kHz Short Circuit Oscillator Frequency fOSC2 80 kHz Maximum Duty Cycle DMAX VFB=1.0V 90 % Minimum Duty Cycle DMIN VFB=1.35V 0 % Error Amplifier Voltage Gain (Note 3) AEA 400 V/V Error Amplifier Transconductance GEA 700 950 1200 µA/V COMP to Current Sense Transconductance GCS 5.4 A/V Thermal Shutdown (Note 3) TOTSD 160 ºC Thermal Shutdown Hysteresis (Note 3) THYS 30 ºC Soft-start Time (Note 3) tSS C4=0.1 µF, IOUT=500mA 10 ms Soft-start Current ISS 6 µA |
Similar Part No. - AP3203MPTR-G1 |
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Similar Description - AP3203MPTR-G1 |
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