Datasheet LTC3637 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | 76V, 1A Step-Down Regulator |
| 页数 / 页 | 26 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS. Feedback Comparator Trip. Feedback … |
| 文件格式/大小 | PDF / 360 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Feedback Comparator Trip. Feedback Comparator Hysteresis. RUN and OVLO Comparator
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LTC3637
TYPICAL PERFORMANCE CHARACTERISTICS Feedback Comparator Trip Feedback Comparator Hysteresis RUN and OVLO Comparator Voltage vs Temperature vs Temperature Threshold Voltages vs Temperature
0.804 5.5 1.24 VIN = 12V VIN = 12V 5.4 1.22 RISING 5.3 0.802 1.20 5.2 1.18 5.1 1.16 0.800 5.0 1.14 4.9 4.8 1.12 0.798 FALLING 4.7 1.10 4.6 1.08 FEEDBACK COMPARATOR TRIP VOLTAGE (V) FEEDBACK COMPARATOR HYSTERESIS (mV) 0.796 4.5 RUN AND OVLO COMPARATOR THRESHOLD (V) 1.06 –55 –25 5 35 65 95 125 155 –55 –25 5 35 65 95 125 155 –55 –25 5 35 65 95 125 155 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3637 G07 3637 G08 3637 G09
Peak Current Trip Threshold Peak Current Trip Threshold Peak Current Trip Threshold vs RISET vs Temperature vs Input Voltage
2800 2800 2800 VIN = 12V VIN = 12V ISET OPEN ISET OPEN 2400 2400 2400 2000 2000 2000 1600 1600 1600 RISET = 100k RISET = 100k 1200 1200 1200 800 800 800 400 400 ISET = GND 400 ISET = 0V PEAK CURRENT TRIP THRESHOLD (mA) PEAK CURRENT TRIP THRESHOLD (mA) PEAK CURRENT TRIP THRESHOLD (mA) 0 0 0 0 50 100 150 200 250 –55 –25 5 35 65 95 125 155 0 10 20 30 40 50 60 70 RISET (kΩ) TEMPERATURE (°C) INPUT VOLTAGE (V) 3637 G10 3637 G11 3637 G12
Quiescent VIN Supply Current Quiescent VIN Supply Current UVLO Threshold Voltages vs Input Voltage vs Temperature vs Temperature
20 30 3.70 VIN = 12V RISING 16 SLEEP 25 3.65 20 12 3.60 15 SLEEP 8 3.55 10 SUPPLY CURRENT (µA) SHUTDOWN SUPPLY CURRENT (µA) UVLO THRESHOLD (V) V IN FALLING 4 V IN 5 3.50 SHUTDOWN 0 0 3.45 5 15 25 35 45 55 65 75 –55 –25 5 35 65 95 125 155 –55 –25 5 35 65 95 125 155 INPUT VOLTAGE (V) TEMPERATURE (°C) TEMPERATURE (°C) 3637 G13 3637 G14 3637 G15 3637fa For more information www.linear.com/LTC3637 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS Feedback Comparator Trip Feedback Comparator Hysteresis RUN and OVLO Comparator Voltage vs Temperature vs Temperature Threshold Voltages vs Temperature
0.804 5.5 1.24 VIN = 12V VIN = 12V 5.4 1.22 RISING 5.3 0.802 1.20 5.2 1.18 5.1 1.16 0.800 5.0 1.14 4.9 4.8 1.12 0.798 FALLING 4.7 1.10 4.6 1.08 FEEDBACK COMPARATOR TRIP VOLTAGE (V) FEEDBACK COMPARATOR HYSTERESIS (mV) 0.796 4.5 RUN AND OVLO COMPARATOR THRESHOLD (V) 1.06 –55 –25 5 35 65 95 125 155 –55 –25 5 35 65 95 125 155 –55 –25 5 35 65 95 125 155 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3637 G07 3637 G08 3637 G09
Peak Current Trip Threshold Peak Current Trip Threshold Peak Current Trip Threshold vs RISET vs Temperature vs Input Voltage
2800 2800 2800 VIN = 12V VIN = 12V ISET OPEN ISET OPEN 2400 2400 2400 2000 2000 2000 1600 1600 1600 RISET = 100k RISET = 100k 1200 1200 1200 800 800 800 400 400 ISET = GND 400 ISET = 0V PEAK CURRENT TRIP THRESHOLD (mA) PEAK CURRENT TRIP THRESHOLD (mA) PEAK CURRENT TRIP THRESHOLD (mA) 0 0 0 0 50 100 150 200 250 –55 –25 5 35 65 95 125 155 0 10 20 30 40 50 60 70 RISET (kΩ) TEMPERATURE (°C) INPUT VOLTAGE (V) 3637 G10 3637 G11 3637 G12
Quiescent VIN Supply Current Quiescent VIN Supply Current UVLO Threshold Voltages vs Input Voltage vs Temperature vs Temperature
20 30 3.70 VIN = 12V RISING 16 SLEEP 25 3.65 20 12 3.60 15 SLEEP 8 3.55 10 SUPPLY CURRENT (µA) SHUTDOWN SUPPLY CURRENT (µA) UVLO THRESHOLD (V) V IN FALLING 4 V IN 5 3.50 SHUTDOWN 0 0 3.45 5 15 25 35 45 55 65 75 –55 –25 5 35 65 95 125 155 –55 –25 5 35 65 95 125 155 INPUT VOLTAGE (V) TEMPERATURE (°C) TEMPERATURE (°C) 3637 G13 3637 G14 3637 G15 3637fa For more information www.linear.com/LTC3637 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts