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LTC3312SAAVPBF Arkusz danych(PDF) 5 Page - Analog Devices |
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LTC3312SAAVPBF Arkusz danych(HTML) 5 Page - Analog Devices |
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5 / 28 page ![]() LTC3312SA 5 Rev. 0 For more information www.analog.com TYPICAL PERFORMANCE CHARACTERISTICS Feedback Voltage Minimum On-Time vs VIN Minimum On-Time Switch On-Resistance vs VIN Switch On-Resistance Default Switching Frequency vs VIN Default Switching Frequency Switching Frequency vs RT Switching Frequency TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 495 496 497 498 499 500 501 502 503 504 505 Feedback Voltage 3312SA G01 HIGH SIDE LOW SIDE INPUT VOLTAGE (V) 2 2.5 3 3.5 4 4.5 5 5.5 0 2 4 6 8 10 12 14 16 18 20 Switch On Resistance 3312SA G04 VIN = 3.3V TOP BOTTOM TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 0 5 10 15 20 25 Switch On Resistance 3312SA G05 INPUT VOLTAGE (V) 2 2.5 3 3.5 4 4.5 5 5.5 1.80 1.84 1.88 1.92 1.96 2.00 2.04 2.08 2.12 2.16 2.20 Default Switching Frequency 3312SA G06 VIN = 2.25V VIN = 3.3V VIN = 5.5V TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 1.80 1.84 1.88 1.92 1.96 2.00 2.04 2.08 2.12 2.16 2.20 Default Switching Frequency 3312SA G07 RESISTANCE (kΩ) 20 25 30 35 40 45 50 55 60 65 70 75 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 RT Switching Frequency 3312SA G08 RT = 34.8kΩ VIN = 2.25V VIN = 3.3V VIN = 5.5V TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 1.80 1.84 1.88 1.92 1.96 2.00 2.04 2.08 2.12 2.16 2.20 RT Switching Frequency 3312SA G09 TA = 25°C, unless otherwise noted. 150°C 25°C –50°C INPUT VOLTAGE (V) 2 2.5 3 3.5 4 4.5 5 5.5 20 30 40 50 60 70 80 3312SA G02 VIN = 2.25V VIN = 3.3V VIN = 5.5V TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 20 30 40 50 60 70 80 3312SA G03 |
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