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MCP73837 データシート(PDF) 7 Page - Microchip Technology |
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MCP73837 データシート(HTML) 7 Page - Microchip Technology |
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7 / 30 page  © 2007 Microchip Technology Inc. DS22071A-page 7 MCP73837/8 AC CHARACTERISTICS TEMPERATURE SPECIFICATIONS Electrical Specifications: Unless otherwise indicated, all limits apply for VDD = [VREG (typical) + 0.3V] 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 0 0 Hours Timer Disabled 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 = 1 mA to 0 mA Status Output Turn-on tON — — 500 µs ISINK = 0 mA to 1 mA Electrical Specifications: Unless otherwise indicated, all limits apply for VDD = [VREG (typ.) + 0.3V] to 6V. Typical values are at +25°C, VDD = [VREG (typ.) + 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, 10-Lead MSOP θJA — 113 — °C/W 4-Layer JC51-7 Standard Board, Natural Convection. Note 1 Thermal Resistance, 10-Lead 3 mm x 3 mm DFN θJA — 41 — °C/W 4-Layer JC51-7 Standard Board, Natural Convection Note 1: This represents the minimum copper condition on the PCB ( Printed Circuit Board). |
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