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MCP73871 Datasheet(PDF) 8 Page - Microchip Technology |
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MCP73871 Datasheet(HTML) 8 Page - Microchip Technology |
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8 / 36 page  MCP73871 DS20002090F-page 8 2008-2022 Microchip Technology Inc. and its subsidiaries AC CHARACTERISTICS Electrical Specifications: Unless otherwise indicated, all limits apply for VIN = 4.6V to 6V. Typical values are at +25°C, VDD =[VREG (typical) + 1.0V] Parameters Sym Min Typ Max Units Conditions UVLO Start Delay tSTART —— 5 ms VDD Low-to-High Current Regulation Transition Time Out of Precondition tDELAY ——10 ms VBAT <VPTH to VBAT >VPTH Current Rise Time Out of Precondition tRISE ——10 ms IOUT Rising to 90% of IREG Precondition Comparator Filter Time tPRECON 0.4 1.3 3.2 ms Average VBAT Rise/Fall Termination Comparator Filter Time tTERM 0.4 1.3 3.2 ms Average IOUT Falling Charge Comparator Filter Time tCHARGE 0.4 1.3 3.2 ms Average VBAT Falling Thermistor Comparator Filter Time tTHERM 0.4 1.3 3.2 ms Average THERM Rise/Fall Elapsed Timer Elapsed Timer Period tELAPSED — 0 — Hours 3.6 4.0 4.4 Hours 5.4 6.0 6.6 Hours 7.2 8.0 8.8 Hours Status Indicators Status Output Turn-off tOFF — — 500 µs ISINK =1mA to 0mA Status Output Turn-on tON — — 500 µs ISINK =0mA to 1mA Note 1: Internal safety timer is tested based on internal oscillator frequency measurement. TEMPERATURE SPECIFICATIONS Electrical Specifications: Unless otherwise indicated, all limits apply for VIN = 4.6V to 6V. Typical values are at +25°C, VDD =[VREG (typical) + 1.0V] Parameters Sym Min Typ Max Units Conditions Temperature Ranges Specified Temperature Range TA -40 — +85 °C Operating Temperature Range TJ -40 — +125 °C Storage Temperature Range TA -65 — +150 °C Thermal Package Resistances Thermal Resistance, 20LD-QFN, 4x4 JA — 50 — °C/W 4-Layer JC51-7 Standard Board, Natural Convection JC —8 — — |
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