Datasheet LT3510 (Analog Devices) - 5

制造商Analog Devices
描述Monolithic Dual Tracking 2A Step-Down Switching Regulator
页数 / 页30 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS. Soft-Start to Feedback Offset. VC …
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TYPICAL PERFORMANCE CHARACTERISTICS. Soft-Start to Feedback Offset. VC Switching Threshold Voltage

TYPICAL PERFORMANCE CHARACTERISTICS Soft-Start to Feedback Offset VC Switching Threshold Voltage

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LT3510
TYPICAL PERFORMANCE CHARACTERISTICS Soft-Start to Feedback Offset VC Switching Threshold Voltage Power Good Threshold Voltage Voltage vs Temperature vs Temperature vs Temperature
4 1000 800 780 3 900 760 2 740 800 1 RISING VOUT = 5V 720 0 700 700 FALLING VOUT = 0V 680 VOLTAGE (mV) –1 VOLTAGE (V) VOLTAGE (V) 600 660 –2 640 500 –3 620 –4 400 600 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3510 G08 3510 G09 3510 G10
Power Good Sink Current Minimum Switching Times Switching Frequency and Channel vs Temperature vs Temperature Phase vs Temperature
1000 250 300 200 RT/SYNC = 133k 950 230 290 190 900 210 280 180 MINIMUM ON TIME PHASE 850 190 270 170 PHASE (DEG) 800 170 260 160 750 150 250 150 700 TIME (ns) 130 240 FREQUENCY 140 CURRENT (μA) MINIMUM OFF TIME 650 110 FREQUENCY (kHz) 230 130 600 90 220 120 550 70 210 110 500 50 200 100 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3510 G11 3510 G12 3510 G13
Switching Frequency and Channel Synchronization Clock Frequency Channel Phase vs Temperature Phase vs Temperature Range vs Temperature with External Synchronization
1650 200 2500 188 RRT/SYNC = 15.4k 195 186 1600 190 PHASE 2000 164 185 MAXIMUM 182 1550 PHASE (DEG) SYNCHRONIZATION SYNCHRONIZATION 180 1500 180 FREQUENCY = 250kHz FREQUENCY FREQUENCY 1500 175 178 170 1000 176 PHASE (DEG) FREQUENCY (kHz) 1450 165 FREQUENCY (kHz) 174 160 500 MINIMUM 172 1400 SYNCHRONIZATION SYNCHRONIZATION 155 FREQUENCY 170 FREQUENCY = 1500kHz 1350 150 0 168 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3510 G14 3510 G15 3510 G16 3510fe 5 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 RELATED PARTS