Datasheet LTC3850-2 (Analog Devices) - 7
| Производитель | Analog Devices |
| Описание | Dual, 2-Phase Synchronous Step-Down Switching Controller |
| Страниц / Страница | 36 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. Shutdown (RUN) Threshold. Regulated … |
| Формат / Размер файла | PDF / 417 Кб |
| Язык документа | английский |
TYPICAL PERFORMANCE CHARACTERISTICS. Shutdown (RUN) Threshold. Regulated Feedback Voltage. Oscillator Frequency. vs Temperature
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LTC3850-2
TYPICAL PERFORMANCE CHARACTERISTICS Shutdown (RUN) Threshold Regulated Feedback Voltage Oscillator Frequency vs Temperature vs Temperature vs Temperature
1.5 806 900 VFREQ = INTVCC 800 804 1.4 700 802 1.3 600 ON 800 VFREQ = 1.2V 500 1.2 OFF 798 FREQUENCY (kHz) RUN PIN VOLTAGE (V) 400 1.1 796 300 V REGULATED FEEDBACK VOLTAGE (mV) FREQ = 0V 1.0 794 200 –50 –25 0 25 50 75 100 –50 –25 0 25 50 75 100 –50 –25 0 25 50 75 100 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 38502 G18 38502 G19 38502 G20
Undervoltage Lockout Threshold Oscillator Frequency Shutdown Current (INTVCC) vs Temperature vs Input Voltage vs Input Voltage
5 420 50 4 40 RISING 410 3 30 FALLING 400 VOLTAGE (V) CC 2 20 FREQUENCY (kHz) INTV INPUT CURRENT (μA) 390 1 10 0 380 0 –50 –25 0 25 50 75 100 5 10 15 20 25 5 10 15 20 25 TEMPERATURE (°C) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 38502 G21 38502 G22 38502 G23
Shutdown Current Quiescent Current vs Temperature vs Temperature without EXTVCC
50 5 VIN = 15V 40 4 30 3 20 2 SHUTDOWN CURRENT (μA) 10 QUIESCENT CURRENT (mA) 1 0 0 –50 –25 0 25 50 75 100 –50 –25 0 25 50 75 100 TEMPERATURE (°C) TEMPERATURE (°C) 38502 G24 38502 G25 38502f 7
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