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AS8530A-ASOT 数据表(PDF) 7 Page - ams AG |
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AS8530A-ASOT 数据表(HTML) 7 Page - ams AG |
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7 / 32 page  www.austriamicrosystems.com/Lin_CompanionIC/AS8530 Revision 1.1 7 - 32 AS8530 Datasheet - Electrical Character i s t ics 6.3 Detailed System and Block Specifications 6.3.1 Electrical System Specifications 6.4 Low Dropout Regulator The LDO block is a linear voltage regulator, which provides a regulated (band-gap stabilized) output voltage (VCC) from the battery supply voltage (VSUP). (6V < VSUP < 18V for option 1, 6V <VSUP <18V option2; -40°C < TJ < 150°C; all voltages are with respect to ground (VSS); positive current flows into the pin), normal operating mode if not otherwise mentioned. Symbol Parameter Conditions Min Typ Max Units IDDnom 1 1. No external load on the LIN bus Current consumption Normal mode No load on VCC, LIN recessive, VSUP= 12V 300 µA No load on VCC, LIN dominant, VSUP = 12V 700 µA Stand-by mode Up to 125°C ambient (no load), VSUP= 12V 45 µA Sleep mode Up to 125°C ambient (no load), VSUP=12V 35 µA Symbol Parameter Conditions Min Typ Max Units VCC Regulated supply voltage ILOAD 0mA to 50mA Option 1 4.75 5.25 V Option 2 3.135 3.465 TJ Junction Temperature -40 150 ºC VSUP Supply Voltage Range 612 18 V VCC Output Voltage Range Option 1 Load < 50mA 4.75 5.0 5.25 V 50mA to 65mA 4.5 5.5 Standby mode @ ICC < 5mA 4.5 5.5 Load-dump condition, ILOAD < 50mA 5.5 Option 2 Load < 50mA 3.135 3.3 3.465 50mA to 65mA 2.97 3.3 3.63 Standby mode @ ICC < 5mA 2.97 3.63 Load-dump condition, ILOAD < 50mA 3.63 ICC_SH Output Short Circuit Current Normal mode 50 250 mA Standby mode 5 250 dVCC1 Line Regulation ΔVCC / ΔVSUP 8mV/V LOREG_SM Load Regulation (Standby mode) ΔVCC / ΔICCn (for ILOAD > 500µA) 10 mV/mA LOREG_NM Load Regulation (Normal mode) ΔVCC / ΔICCn (for ILOAD > 500µA) 1 mV/mA CL1 Output Capacitor (Electrolytic) 2.2 10 µF ESR1 110 Ω CL2 Output Capacitor (Ceramic) 100 220 nF ESR2 0.02 1 Ω CSUP1E Input capacitor (Electrolytic) For EMC suppression 10 100 µF ESR1_CSUP 110 Ω CSUP2C Input capacitor (Ceramic) 100 220 nF ESR2_CSUP 0.02 1 Ω |
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