Datasheet LT3504 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | Quad 40V/1A Step-Down Switching Regulator with 100% Duty Cycle Operation |
| 页数 / 页 | 24 / 6 — Typical perForMance characTerisTics. Switch Current Limit. Switch Beta. … |
| 文件格式/大小 | PDF / 498 Kb |
| 文件语言 | 英语 |
Typical perForMance characTerisTics. Switch Current Limit. Switch Beta. Minimum On-Time. Feedback Voltage. Power Good Threshold
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LT3504
Typical perForMance characTerisTics Switch Current Limit Switch Beta Minimum On-Time
2.0 70 120 1.9 65 110 1.8 0.5A 100 1.7 60 1.6 A 90 1.5 BET 55 80 1.4 ON-TIME (ns) 50 1.3 1A 70 SWITCH CURRENT LIMIT (A) 1.2 45 60 1.1 1.0 40 50 0 20 40 60 80 100 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 DUTY CYCLE (%) TEMPERATURE (°C) TEMPERATURE (°C) 3504 G19 3504 G20 3504 G21
Feedback Voltage Power Good Threshold
805 740 804 RISING 720 803 802 700 TAGE (mV) 801 680 800 FALLING 799 660 798 THRESHOLD (mV) FEEDBACK VOL 640 797 620 796 795 600 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) 3504 G22 3504 G23
Operating Waveforms, Operating Waveforms, Discontinuous Mode Continuous Mode
SW1 SW1 10V/DIV 10V/DIV SW2 SW2 10V/DIV 10V/DIV SW3 SW3 10V/DIV 10V/DIV SW4 SW4 10V/DIV 10V/DIV 500ns/DIV 3504 G24 500ns/DIV 3504 G25 IOUT1,2,3,4 = 40mA IOUT1,2,3,4 = 0.5A VOUT1,2,3,4 = 5V VOUT1,2,3,4 = 5V 3504fa 6 For more information www.linear.com/LT3504 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics Switch Current Limit Switch Beta Minimum On-Time
2.0 70 120 1.9 65 110 1.8 0.5A 100 1.7 60 1.6 A 90 1.5 BET 55 80 1.4 ON-TIME (ns) 50 1.3 1A 70 SWITCH CURRENT LIMIT (A) 1.2 45 60 1.1 1.0 40 50 0 20 40 60 80 100 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 DUTY CYCLE (%) TEMPERATURE (°C) TEMPERATURE (°C) 3504 G19 3504 G20 3504 G21
Feedback Voltage Power Good Threshold
805 740 804 RISING 720 803 802 700 TAGE (mV) 801 680 800 FALLING 799 660 798 THRESHOLD (mV) FEEDBACK VOL 640 797 620 796 795 600 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) 3504 G22 3504 G23
Operating Waveforms, Operating Waveforms, Discontinuous Mode Continuous Mode
SW1 SW1 10V/DIV 10V/DIV SW2 SW2 10V/DIV 10V/DIV SW3 SW3 10V/DIV 10V/DIV SW4 SW4 10V/DIV 10V/DIV 500ns/DIV 3504 G24 500ns/DIV 3504 G25 IOUT1,2,3,4 = 40mA IOUT1,2,3,4 = 0.5A VOUT1,2,3,4 = 5V VOUT1,2,3,4 = 5V 3504fa 6 For more information www.linear.com/LT3504 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts