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LT1374HVIS8 Datasheet(PDF) 5 Page - Linear Technology |
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LT1374HVIS8 Datasheet(HTML) 5 Page - Linear Technology |
5 / 32 page 5 LT1374 1374fb FEEDBACK PIN VOLTAGE (V) 0 500 400 300 200 100 0 2.0 1374 G10 0.5 1.0 1.5 2.5 SWITCHING FREQUENCY FEEDBACK PIN CURRENT Frequency Foldback LOAD CURRENT (mA) 1 5.8 6.0 6.2 6.4 10 100 1000 1374 G12 5.6 5.4 5.2 5.0 MINIMUM RUNNING VOLTAGE MINIMUM STARTING VOLTAGE Minimum Input Voltage with 5V Output TEMPERATURE ( °C) –50 550 540 530 520 510 500 490 480 470 460 450 100 1374 G11 –25 0 25 50 75 125 Switching Frequency Maximum Load Current at VOUT = 10V INPUT VOLTAGE (V) 0 4.5 4.0 3.5 3.0 510 15 20 1374 G13 25 L = 20 µH L = 10 µH L = 5 µH VOUT = 10V Maximum Load Current at VOUT = 3.3V INPUT VOLTAGE (V) 0 4.5 4.0 3.5 3.0 510 15 20 1374 G14 25 L = 20 µH L = 10 µH L = 5 µH VOUT = 3.3V Maximum Load Current at VOUT = 5V INPUT VOLTAGE (V) 0 4.5 4.0 3.5 3.0 510 15 20 1374 G15 25 L = 20 µH L = 10 µH L = 5 µH VOUT = 5V Shutdown Supply Current SHUTDOWN VOLTAGE (V) 0 70 60 50 40 30 20 10 0 0.1 0.2 0.3 0.4 1374 G07 VIN = 25V VIN = 10V Error Amplifier Transconductance FREQUENCY (Hz) 3000 2500 2000 1500 1000 500 200 150 100 50 0 –50 100 10k 100k 10M 1374 G09 1k 1M GAIN PHASE ERROR AMPLIFIER EQUIVALENT CIRCUIT ROUT 200k COUT 12pF VC RLOAD = 50Ω VFB 2 × 10 –3 ) ( Error Amplifier Transconductance JUNCTION TEMPERATURE ( °C) –50 2500 2000 1500 1000 500 0 0 50 75 1374 G08 –25 25 100 125 TYPICAL PERFOR A CE CHARACTERISTICS |
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