Datasheet LT8602 (Analog Devices) - 8
| Производитель | Analog Devices |
| Описание | 42V Quad Monolithic Synchronous Step-Down Regulator |
| Страниц / Страница | 30 / 8 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VIN = PVIN1 = PVIN2 = 12V, … |
| Версия | C |
| Формат / Размер файла | PDF / 2.7 Мб |
| Язык документа | английский |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VIN = PVIN1 = PVIN2 = 12V, EN/UVLO = 3V
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LT8602
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VIN = PVIN1 = PVIN2 = 12V, EN/UVLO = 3V and PVIN3 = PVIN4 = 3.3V, unless otherwise noted. Minimum Off-Time vs Channel 3/Channel 4 Minimum Channel 3/Channel 4 Minimum Temperature On-Time vs ISW Off-Time vs ISW
100 180 100 ISW = 1A 160 90 90 140 PVIN = 2.6V 120 80 80 100 PV CHANNEL 1 IN = 3.3V 70 80 70 60 60 MINIMUM OFF-TIME (ns) CHANNEL 2 MINIMUM ON-TIME (ns) PVIN = 5.5V MINIMUM OFF-TIME (ns) 60 40 50 20 50 0 40 –50 –25 0 25 50 75 100 125 150 0 0.3 0.6 0.9 1.2 1.5 0 0.3 0.6 0.9 1.2 1.5 TEMPERATURE (°C) ISW (A) ISW (A) 8602 G19 8602 G20 8602 G21
Channel 3/Channel 4 RDSON vs Channel 1 RDSON vs Temperature Channel 2 RDSON vs Temperature Temperature
500 400 300 ISW1 = 1A ISW2 = 1A ISW = 1A 250 400 300 200 TOP FET TOP FET (mΩ) TOP FET 300 (mΩ) 200 (mΩ) 150 R DSON R DSON R DSON 100 200 100 BOTTOM FET BOTTOM FET BOTTOM FET 50 100 0 0 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 8602 G22 8602 G23 8602 G24
Channel 1 Full Frequency Feedback Voltage vs Temperature EN/UVLO Current vs Voltage VIN vs Load Current
1.010 0.810 3.0 45 RT = 28.9k 40 2.5 35 1.005 0.805 CHANNELS 3, 4 V (V) FULL FREQUENCY 2.0 30 FB REGION (2MHz) CHANNELS 1, 2 (µA) 25 1.000 0.800 1.5 (V) V IN 20 CHANNELS 3, 4 FB I EN/UVLO (V) 1.0 V 15 OUT = 3.3V CHANNELS 1, 2 V V 0.995 0.795 OUT = 5V 10 0.5 5 0.990 0.790 0.0 0 –50 –25 0 25 50 75 100 125 150 0 5 10 15 20 25 30 35 40 45 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 TEMPERATURE (°C) VEN/UVLO (V) IOUT (A) 8602 G25 8602 G26 8602 G27 Rev. C 8 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Package Description Revision History Typical Application Related Parts
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