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AS8520-AQFT Datasheet(PDF) 8 Page - ams AG |
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AS8520-AQFT Datasheet(HTML) 8 Page - ams AG |
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8 / 34 page  www.austriamicrosystems.com/Lin_CompanionIC/AS8520 Revision 0.01 8 - 34 AS8520 Preliminary Data Sheet - E l e c t r i c a l C h a r a c t e r i s t i c s 6.1 Detailed System and Block Specifications 6.1.1 Low Dropout Regulator The LDO is a linear voltage regulator, which provides a regulated (band-gap stabilized) output voltage (VCC) from the battery supply voltage (VSUP). (6V < VSUP < 18V; -40ºC < TJ < +150ºC; all voltages are with respect to ground (VSS); positive current flows into the pin), normal operating mode if not otherwise mentioned. Table 4. System Specifications Symbol Parameter Conditions Min Typ Max Units IDDnom Current consumption normal mode No load on VCC, LIN inactive, VSUP = 14V, RES_DIV enabled 300 µA No load on VCC, LIN active, VSUP = 14V, RES_DIV enabled 700 No load on VCC, LIN inactive, VSUP = 14V, RES_DIV disabled 250 IDDstby Current consumption standby mode @ 85ºC ambient (no load) 40 µA @125ºC ambient (no load) 45 IDDsleep Current consumption sleep mode @ 85ºC ambient (no load) 30 µA @ 125ºC ambient (no load) 35 Table 5. LDO Block Specifications Symbol Parameter Conditions Min Typ Max Units VSUP Battery Voltage Range Default, Need safe operating area calculations with package Rth 612 18V VCC Output Voltage Range Load < 50mA 4.85 5.0 5.15 V Factory option, load < 50mA 3.15 3.3 3.45 50 to 65mA 4.5 5.15 Factory option, 50 to 65mA 2.9 3.3 3.45 Standby mode @ ICC < 5mA 4.5 5.5 Load-dump condition, Iload < 50mA 5.5 Factory option, Standby mode @ ICC < 5mA 33.6 ICC_SH Output Short Circuit Current Normal mode 50 250 mA Standby mode 5 250 dVCC1 Line Regulation ΔVCC / ΔVSUP 8 mV/V LOREG_SM Load Regulation (Standby mode) ΔVCC / ΔICCn (for Iload > 500uA) 10 mV/mA LOREG_NM Load Regulation (Normal mode) ΔVCC / ΔICCn (for Iload > 500uA) 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) For EMC suppression 100 220 nF ESR2_CSUP 0.02 1 Ω |
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