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LTC4230IGN Arkusz danych(PDF) 5 Page - Linear Technology |
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LTC4230IGN Arkusz danych(HTML) 5 Page - Linear Technology |
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5 / 36 page ![]() 5 LTC4230 4230f TYPICAL PERFOR A CE CHARACTERISTICS VCC1 SUPPLY VOLTAGE (V) 2 4 6 8 10 12 14 16 18 4230 G10 280 260 240 220 200 180 160 140 120 VCC2 = 2.5V VCC3 = 1.8V VGATEn = 2.5V –40 °C 25 °C 85 °C VCC1 SUPPLY VOLTAGE (V) 0 2 4 6 8 10 12 14 16 18 4230 G11 20 18 16 14 12 10 VCC2 = 2.5V VCC3 = 1.8V VGATEn = 5V –40 °C 25 °C 85 °C VCC1 SUPPLY VOLTAGE (V) 0 2 4 6 8 10 12 14 16 18 4230 G12 12 11 10 9 8 7 6 –40 °C 25 °C 85 °C VCC1 SUPPLY VOLTAGE (V) 2 4 6 8 10 12 14 16 18 4230 G13 16 14 12 10 8 6 4 2 0 VCC2 = VCC1 VCC3 = VCC1 – 1V VGATE1 = VGATE2 VGATE3 TEMPERATURE ( °C) –75 125 4230 G14 –25 25 75 –50 150 0 50 100 16 14 12 10 8 6 4 VCC1 = 15V VCC1 = 5V VCC1 = 12V VCC1 = 3.3V VCC1 = 2.7V TEMPERATURE ( °C) –75 125 4230 G15 –25 25 75 –50 150 0 50 100 0.5 0.4 0.3 0.2 0.1 0 VCC1 = 3.3V VCC2 = 2.5V VCC3 = 1.8V VCC1 SUPPLY VOLTAGE (V) 0 2 4 6 8 10 12 14 16 18 4230 G16 0.5 0.4 0.3 0.2 0.1 0 VCC2 = 2.5V VCC3 = 1.8V TEMPERATURE ( °C) –75 125 4230 G17 –25 25 75 –50 150 0 50 100 1.239 1.238 1.237 1.236 1.235 1.234 1.233 1.232 VFBn HIGH VFBn LOW VCC1 = 3.3V VCC2 = 2.5V VCC3 = 1.8V VCC1 SUPPLY VOLTAGE (V) 4230 G18 1.238 1.237 1.236 1.235 1.234 1.233 0 2 4 6 8 10 12 14 16 18 FB HIGH FB LOW Normal GATE n Pull-Down Current vs VCC1 Supply Voltage VGATEn – VCCn vs VCC1 Supply Voltage GATE n Overvoltage Lockout Threshold vs VCC1 Supply Voltage Fast GATE n Pull-Down Current vs VCC1 Supply Voltage GATE n Output Source Current (Pull-Up) vs VCC1 Supply Voltage VGATE1 – VCC1 vs Temperature GATE n Overvoltage Lockout Threshold vs Temperature VFBn Threshold Voltage vs Temperature VFBn Threshold Voltage vs VCC1 Supply Voltage |
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