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LTC2953 数据表(PDF) 5 Page - Linear Technology |
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LTC2953 数据表(HTML) 5 Page - Linear Technology |
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5 / 20 page ![]() LTC2953 5 2953f TEMPERATURE ( °C) –50 5 10 15 20 –25 0 25 50 2953 G01 75 100 VIN = 27V VIN = 3.3V VIN = 2.7V VIN (V) 05 10 14 20 10 20 25 2953 G02 12 18 16 15 30 35 TA = 25°C VIN (V) 0 0 10 20 30 40 50 5 10 15 20 2953 G03 25 30 TA = 25°C VIN (V) 0 0 10 20 30 40 50 5 10 15 20 2953 G04 25 30 TA = 25°C PDT EXTERNAL CAPACITANCE (nF) 1 10 100 1000 10000 10 100 1000 '#! /# TA = 25°C VIN = 3.3V TEMPERATURE ( °C) 2953 G06 –50 –2.6 –2.8 –3.0 –3.2 –3.4 –25 0 25 50 75 100 VIN = 3.3V TEMPERATURE ( °C) 2953 G07 –50 2.6 2.8 3.0 3.2 3.4 –25 0 25 50 75 100 VIN = 3.3V PB VOLTAGE (V) –10 0 –50 –100 –150 –200 –250 –300 010 20 30 '#! /& TA = 25°C VIN = 3.3V EXTERNAL PB RESISTANCE TO GROUND (k Ω) 0 0 50 100 150 200 250 300 510 15 20 '#! /' VIN = 3.3V TA = 100°C TA = –45°C TA = 25°C TYPICAL PERFORMANCE CHARACTERISTICS Supply Current vs Temperature Supply Current vs Supply Voltage Turn On Debounce Time (tDB, ON) vs VIN Turn Off Interrupt Debounce Time (tDB, OFF) vs VIN Forced Power Down Delay Time (tPD, MIN + tPDT) vs PDT External Capacitance PDT Pull-Down Current vs Temperature PDT Pull-Up Current vs Temperature ⎯P⎯B Current vs ⎯P⎯B Voltage ⎯P⎯B Voltage vs External ⎯P⎯B Resistance to Ground |
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