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AS3685B Datasheet(PDF) 4 Page - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS |
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AS3685B Datasheet(HTML) 4 Page - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS |
4 / 25 page ![]() AS3685A/AS3685B Datasheet www.austriamicrosystems.com/ AS3685 (ptr) Revision 2.2 3 - 24 5 Characteristics 5.1 Absolute Maximum Ratings Stresses beyond those listed in Table 1 may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in Section 5 Electrical Characteristics is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Table 1 – Absolute Maximum Ratings Symbol Parameter Min Max Unit Note VBATMAX Maximum Supply Voltage -0.3 7.0 V IIN Input Pin Current without causing latchup -25 +25 mA At 25ºC, Norm: Jedec 17 TSTRG Storage Temperature Range -55 125 °C Humidity 5 85 % Non condensing VESD Electrostatic Discharge -1000 1000 V Norm: MIL 883 E Method 3015 1.14 W DFN10 3x3mm, TA = 70 °C 1 PT Total Continuous Power Dissipation 1.02 W WL-CSP 2x1.5mm, TA = 70 °C 1 16.3 mW/ °C DFN10 3x3mm PDERATE PT Derating Factor 2 14.7 mW/ °C WL-CSP 2x1.5mm TJUNC Junction Temperature 150 °C TBODY Body Temperature during Soldering 260 °C according to IPC/JEDEC J- STD-020C Notes: 1. Depending on actual PCB layout and PCB used; for peak power dissipation during flashing see document ‘AS3685 Thermal Measurements’ For 1A flash current see application notes ‘AN3685_1Aflash’ and ‘AN3685_1Aflash_thermal_1v0’. 2. The PT derating factor changes the total continuous power dissipation, if the ambient temperature is different to 70 °C. Therefore for e.g. 85°C calculate PT85°C = PT – PDERATE * (85°C – 70 °C) 5.2 Operating Conditions Table 2 – Operating Conditions Symbol Parameter Min Typ Max Unit Note VBAT Battery Supply Voltage 3.0 3.6 5.5 V Supply voltage range VBATFUNC Battery Supply Voltage, Functionally working 2.6 V AS3685 functionally working, but not all parameters fulfilled 0.4 A Depending on load current and charge pump mode IBAT Operating Current 2.0 A Limited lifetime, max 20,000s TAMB Ambient Temperature -30 25 85 °C IOFF Off mode current 1.0 4.0 μA EN1 = 0, EN2 = 0; VBAT<=4.2V |
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