Datasheet LT3692A (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | Monolithic Dual Tracking 3.5A Step-Down Switching Regulator |
| 页数 / 页 | 42 / 6 — Typical perForMance characTerisTics. Shutdown Threshold and Minimum. VIN … |
| 文件格式/大小 | PDF / 742 Kb |
| 文件语言 | 英语 |
Typical perForMance characTerisTics. Shutdown Threshold and Minimum. VIN Overvoltage Threshold. VIN1 Quiescent Current
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LT3692A
Typical perForMance characTerisTics Shutdown Threshold and Minimum VIN Overvoltage Threshold VIN1 Quiescent Current Input Voltage vs Temperature vs Temperature vs SHDN1 Voltage
3.5 41.0 6000 40.5 3.0 MINIMUM INPUT VOLTAGE 40.0 5000 2.5 39.5 4000 39.0 2.0 150°C 25°C SHUTDOWN TAGE (V) 38.5 (µA) 3000 1.5 THRESHOLD VOLTAGE I Q VOLTAGE (V) VOL 38.0 –50°C 1.0 37.5 2000 125°C 37.0 0.5 1000 36.5 0 36.0 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 0 0 0.2 0.4 0.6 0.8 1 1.2 1.4 TEMPERATURE (°C) TEMPERATURE (°C) VOLTAGE (V) 3692A G01 3692A G02 3692A G03
Shutdown Quiescent Current FB Voltage and CH1-CH2 FB vs Temperature Offset vs Temperature TJ Output Voltage vs Temperature
10 820 8 1.50 VSHDN1 = VSHDN2 = 0V 9 6 1.25 8 OFFSET VOLTAGE (mV) 815 4 1.00 7 IQ1 6 2 0.75 OFFSET 5 810 0 TAGE (V) 0.50 4 CURRENT (µA) –2 VOL 0.25 RTJ = 30k 3 CH2 TO GND FEEDBACK VOLTAGE (V) 805 –4 0 2 CH1 1 –6 –0.25 RTJ = 30k TO –1V IQ2 0 800 –8 –0.50 –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) 3692A G04 3692A G05 3692A G06
Error Amplifier Transconductance Soft-Start-to-Feedback Offset Comparator Thresholds vs Temperature vs Temperature vs Temperature
425 4 750 V 420 SS = 0.4V 740 3 415 730 RISING 410 2 720 THRESHOLD 405 1 710 400 700 395 TAGE (mV) 0 690 390 VOL –1 VOLTAGE (mV) 680 385 FALLING –2 670 TRANSCONDUCTANCE (µMho) THRESHOLD 380 –3 660 375 650 370 –4 –50 –25 0 25 50 75 100 125 150 –50 –30 –10 10 30 50 70 90 110 130 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3692A G09 3692A G07 3692A G08 3692afc 6 For more information www.linear.com/3692A Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics Shutdown Threshold and Minimum VIN Overvoltage Threshold VIN1 Quiescent Current Input Voltage vs Temperature vs Temperature vs SHDN1 Voltage
3.5 41.0 6000 40.5 3.0 MINIMUM INPUT VOLTAGE 40.0 5000 2.5 39.5 4000 39.0 2.0 150°C 25°C SHUTDOWN TAGE (V) 38.5 (µA) 3000 1.5 THRESHOLD VOLTAGE I Q VOLTAGE (V) VOL 38.0 –50°C 1.0 37.5 2000 125°C 37.0 0.5 1000 36.5 0 36.0 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 0 0 0.2 0.4 0.6 0.8 1 1.2 1.4 TEMPERATURE (°C) TEMPERATURE (°C) VOLTAGE (V) 3692A G01 3692A G02 3692A G03
Shutdown Quiescent Current FB Voltage and CH1-CH2 FB vs Temperature Offset vs Temperature TJ Output Voltage vs Temperature
10 820 8 1.50 VSHDN1 = VSHDN2 = 0V 9 6 1.25 8 OFFSET VOLTAGE (mV) 815 4 1.00 7 IQ1 6 2 0.75 OFFSET 5 810 0 TAGE (V) 0.50 4 CURRENT (µA) –2 VOL 0.25 RTJ = 30k 3 CH2 TO GND FEEDBACK VOLTAGE (V) 805 –4 0 2 CH1 1 –6 –0.25 RTJ = 30k TO –1V IQ2 0 800 –8 –0.50 –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) 3692A G04 3692A G05 3692A G06
Error Amplifier Transconductance Soft-Start-to-Feedback Offset Comparator Thresholds vs Temperature vs Temperature vs Temperature
425 4 750 V 420 SS = 0.4V 740 3 415 730 RISING 410 2 720 THRESHOLD 405 1 710 400 700 395 TAGE (mV) 0 690 390 VOL –1 VOLTAGE (mV) 680 385 FALLING –2 670 TRANSCONDUCTANCE (µMho) THRESHOLD 380 –3 660 375 650 370 –4 –50 –25 0 25 50 75 100 125 150 –50 –30 –10 10 30 50 70 90 110 130 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3692A G09 3692A G07 3692A G08 3692afc 6 For more information www.linear.com/3692A Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts