Datasheet LTC3896 (Analog Devices) - 8
| Fabricante | Analog Devices |
| Descripción | 150V Low IQ, Synchronous Inverting DC/DC Controller |
| Páginas / Página | 36 / 8 — Typical perForMance characTerisTics |
| Formato / tamaño de archivo | PDF / 2.0 Mb |
| Idioma del documento | Inglés |
Typical perForMance characTerisTics
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LTC3896
Typical perForMance characTerisTics V – – IN and VOUT with respect to GND. All other voltages with respect to VOUT , unless otherwise noted. Shutdown Current vs Input DRVCC Line Regulation Shutdown Current vs Temperature Voltage
11 20 30 EXTVCC = 0V VIN = 12V DRVSET = INTV 18 CC 10 16 25 14 9 20 12 TAGE (V) NDRV FET 8 10 15 VOL No NDRV FET CC 8 7 DRV 6 10 DRVSET = 0V SHUTDOWN CURRENT (µA) 4 SHUTDOWN CURRENT (µA) VIN = 6.3V 6 5 2 5 0 0 0 15 30 45 60 75 90 105 120 135 150 –75 –50 –25 0 25 50 75 100 125 150 0 15 30 45 60 75 90 105 120 135 150 INPUT VOLTAGE (V) TEMPERATURE (°C) INPUT VOLTAGE (V) 3896 G19 3896 G20 3896 G21
Oscillator Frequency vs Quiescent Current vs Temperature Temperature
100 600 V – IN – VOUT = 12V 90 Burst Mode OPERATION 550 80 FREQ = INTVCC 70 DRVSET = 70kΩ 500 60 DRVSET = INTVCC 50 450 40 DRVSET = 0V FREQUENCY (kHz) 400 30 QUIESCENT CURRENT (µA) 20 350 10 FREQ = 0V 0 300 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) 3896 G22 3896 G23
SS Pull-Up Current vs Temperature OVLO Threshold vs Temperature
12.0 1.40 - (V) 11.5 1.35 OUT 11.0 1.30 10.5 1.25 OVLO RISING 10.0 1.20 9.5 1.15 SS CURRENT (µA) TAGE REFERENCED TO V 9.0 1.10 OVLO FALLING 8.5 1.05 8.0 OVLO PIN VOL 1.00 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) 3896 G24 3896 G25 3896f 8 For more information www.linear.com/LTC3896 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts
Typical perForMance characTerisTics V – – IN and VOUT with respect to GND. All other voltages with respect to VOUT , unless otherwise noted. Shutdown Current vs Input DRVCC Line Regulation Shutdown Current vs Temperature Voltage
11 20 30 EXTVCC = 0V VIN = 12V DRVSET = INTV 18 CC 10 16 25 14 9 20 12 TAGE (V) NDRV FET 8 10 15 VOL No NDRV FET CC 8 7 DRV 6 10 DRVSET = 0V SHUTDOWN CURRENT (µA) 4 SHUTDOWN CURRENT (µA) VIN = 6.3V 6 5 2 5 0 0 0 15 30 45 60 75 90 105 120 135 150 –75 –50 –25 0 25 50 75 100 125 150 0 15 30 45 60 75 90 105 120 135 150 INPUT VOLTAGE (V) TEMPERATURE (°C) INPUT VOLTAGE (V) 3896 G19 3896 G20 3896 G21
Oscillator Frequency vs Quiescent Current vs Temperature Temperature
100 600 V – IN – VOUT = 12V 90 Burst Mode OPERATION 550 80 FREQ = INTVCC 70 DRVSET = 70kΩ 500 60 DRVSET = INTVCC 50 450 40 DRVSET = 0V FREQUENCY (kHz) 400 30 QUIESCENT CURRENT (µA) 20 350 10 FREQ = 0V 0 300 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) 3896 G22 3896 G23
SS Pull-Up Current vs Temperature OVLO Threshold vs Temperature
12.0 1.40 - (V) 11.5 1.35 OUT 11.0 1.30 10.5 1.25 OVLO RISING 10.0 1.20 9.5 1.15 SS CURRENT (µA) TAGE REFERENCED TO V 9.0 1.10 OVLO FALLING 8.5 1.05 8.0 OVLO PIN VOL 1.00 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) 3896 G24 3896 G25 3896f 8 For more information www.linear.com/LTC3896 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts