Datasheet LTC3786 (Analog Devices) - 6
| Fabricante | Analog Devices |
| Descripción | Low IQ Synchronous Boost Controller |
| Páginas / Página | 34 / 6 — Regulated Feedback Voltage. Soft-Start Pull-Up Current. vs Temperature. … |
| Formato / tamaño de archivo | PDF / 332 Kb |
| Idioma del documento | Inglés |
Regulated Feedback Voltage. Soft-Start Pull-Up Current. vs Temperature. Shutdown Current vs Temperature. Shutdown Current
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LTC3786 TYPICAL PERFORMANCE CHARACTERISTICS
Regulated Feedback Voltage Soft-Start Pull-Up Current vs Temperature vs Temperature Shutdown Current vs Temperature
1.212 11.0 12.0 VIN = 12V 11.5 1.209 11.0 10.5 1.206 TAGE (V) 10.5 10.0 1.203 9.5 9.0 1.200 10.0 8.5 T CURRENT (µA) 8.0 1.197 AR 7.5 TED FEEDBACK VOL T-ST 7.0 1.194 9.5 SOF SHUTDOWN CURRENT (µA) 6.5 REGULA 1.191 6.0 5.5 1.188 9.0 5.0 –45 –25 –5 15 35 55 75 95 115 135 155 –45 –25 –5 15 35 55 75 95 115 135 155 –45 –25 –5 15 35 55 75 95 115 135 155 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3786 G09 3786 G10 3786 G11
Shutdown Current Shutdown (RUN) Threshold vs Input Voltage Quiescent Current vs Temperature vs Temperature
20 80 1.40 VIN = 12V VFB = 1.25V 1.35 70 15 RUN RISING 1.30 60 TAGE (V) 10 1.25 50 1.20 RUN PIN VOL RUN FALLING SHUTDOWN CURRENT (µA) 5 QUIESCENT CURRENT (µA) 40 1.15 0 30 1.10 0 5 10 15 20 25 30 35 40 –45 –25 –5 15 35 55 75 95 115 135 155 –45 –25 –5 15 35 55 75 95 115 135 155 INPUT VOLTAGE (V) TEMPERATURE (°C) TEMPERATURE (°C) 3786 G12 3786 G13 3786 G14
Undervoltage Lockout Threshold vs Temperature INTVCC Line Regulation INTVCC Line Regulation
4.4 5.5 5.5 NO LOAD NO LOAD 4.3 5.4 5.4 INTVCC RISING 4.2 5.3 5.3 4.1 5.2 5.2 4.0 5.1 5.1 TAGE (V) 3.9 5.0 5.0 VOL INTVCC FALLING VOLTAGE (V) VOLTAGE (V) 3.8 V CC CC 4.9 CC 4.9 INT 3.7 INTV 4.8 INTV 4.8 3.6 4.7 4.7 3.5 4.6 4.6 3.4 4.5 4.5 –45 –25 –5 15 35 55 75 95 115 135 155 0 5 10 15 20 25 30 35 40 4.5 4.75 5.0 5.25 5.5 5.75 6.0 TEMPERATURE (°C) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 3786 G15 3786 G16 3786 G17 3786fc 6 For more information www.linear.com/LTC3786
Regulated Feedback Voltage Soft-Start Pull-Up Current vs Temperature vs Temperature Shutdown Current vs Temperature
1.212 11.0 12.0 VIN = 12V 11.5 1.209 11.0 10.5 1.206 TAGE (V) 10.5 10.0 1.203 9.5 9.0 1.200 10.0 8.5 T CURRENT (µA) 8.0 1.197 AR 7.5 TED FEEDBACK VOL T-ST 7.0 1.194 9.5 SOF SHUTDOWN CURRENT (µA) 6.5 REGULA 1.191 6.0 5.5 1.188 9.0 5.0 –45 –25 –5 15 35 55 75 95 115 135 155 –45 –25 –5 15 35 55 75 95 115 135 155 –45 –25 –5 15 35 55 75 95 115 135 155 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3786 G09 3786 G10 3786 G11
Shutdown Current Shutdown (RUN) Threshold vs Input Voltage Quiescent Current vs Temperature vs Temperature
20 80 1.40 VIN = 12V VFB = 1.25V 1.35 70 15 RUN RISING 1.30 60 TAGE (V) 10 1.25 50 1.20 RUN PIN VOL RUN FALLING SHUTDOWN CURRENT (µA) 5 QUIESCENT CURRENT (µA) 40 1.15 0 30 1.10 0 5 10 15 20 25 30 35 40 –45 –25 –5 15 35 55 75 95 115 135 155 –45 –25 –5 15 35 55 75 95 115 135 155 INPUT VOLTAGE (V) TEMPERATURE (°C) TEMPERATURE (°C) 3786 G12 3786 G13 3786 G14
Undervoltage Lockout Threshold vs Temperature INTVCC Line Regulation INTVCC Line Regulation
4.4 5.5 5.5 NO LOAD NO LOAD 4.3 5.4 5.4 INTVCC RISING 4.2 5.3 5.3 4.1 5.2 5.2 4.0 5.1 5.1 TAGE (V) 3.9 5.0 5.0 VOL INTVCC FALLING VOLTAGE (V) VOLTAGE (V) 3.8 V CC CC 4.9 CC 4.9 INT 3.7 INTV 4.8 INTV 4.8 3.6 4.7 4.7 3.5 4.6 4.6 3.4 4.5 4.5 –45 –25 –5 15 35 55 75 95 115 135 155 0 5 10 15 20 25 30 35 40 4.5 4.75 5.0 5.25 5.5 5.75 6.0 TEMPERATURE (°C) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 3786 G15 3786 G16 3786 G17 3786fc 6 For more information www.linear.com/LTC3786