Datasheet LTC3810-5 (Analog Devices) - 6
| Manufacturer | Analog Devices |
| Description | 60V Current Mode Synchronous Switching Regulator Controller |
| Pages / Page | 38 / 6 — Typical perForMance characTerisTics. Current Sense Threshold. Frequency … |
| File Format / Size | PDF / 544 Kb |
| Document Language | English |
Typical perForMance characTerisTics. Current Sense Threshold. Frequency vs Load Current. vs ITH Voltage. On-Time vs ION Current
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LTC3810-5
Typical perForMance characTerisTics Current Sense Threshold Frequency vs Load Current vs ITH Voltage On-Time vs ION Current
350 400 10000 VRNG = 2V VON = INTVCC 300 FORCED 300 CONTINUOUS 1.4V 200 250 1V 100 0.7V 1000 200 0.5V 0 150 PULSE SKIP –100 ON-TIME (ns) FREQUENCY (kHz) 100 100 –200 50 CURRENT SENSE THRESHOLD (mV) –300 0 –400 10 0 1 2 3 4 5 0 0.5 1.0 1.5 2.0 2.5 3.0 10 100 1000 10000 LOAD CURRENT (A) ITH VOLTAGE (V) ION CURRENT (µA) 38105 G10 38105 G11 38105 G12
On-Time vs VON Voltage On-Time vs Temperature Current Limit Foldback
700 680 250 600 660 200 500 640 400 150 620 300 ON-TIME (ns) ON-TIME (ns) 100 600 200 50 100 580 ION = 300µA ION = 300µA V 0 560 MAXIMUM CURRENT SENSE THRESHOLD (mV) RNG = INTVCC 0 0 0.5 1 1.5 2 2.5 3 –50 –25 0 25 50 75 100 125 150 0 0.2 0.4 0.6 0.8 VON VOLTAGE (V) TEMPERATURE (°C) VFB (V) 38105 G14 38105 G13 38105 G15
Maximum Current Sense Maximum Current Sense Reference Voltage vs Threshold vs VRNG Voltage Threshold vs Temperature Temperature
400 230 0.803 220 0.802 300 0.801 210 200 0.800 200 0.799 100 REFERENCE VOLTAGE (V) 190 0.798 V MAXIMUM CURRENT SENSE THRESHOLD (mV) RNG = INTVCC 0 MAXIMUM CURRENT SENSE THRESHOLD (mV) 180 0.797 0.5 1 1.5 2 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 VRNG VOLTAGE (V) TEMPERATURE (°C) TEMPERATURE (°C) 38105 G17 38105 G18 38105 G16 38105fd 6 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics Current Sense Threshold Frequency vs Load Current vs ITH Voltage On-Time vs ION Current
350 400 10000 VRNG = 2V VON = INTVCC 300 FORCED 300 CONTINUOUS 1.4V 200 250 1V 100 0.7V 1000 200 0.5V 0 150 PULSE SKIP –100 ON-TIME (ns) FREQUENCY (kHz) 100 100 –200 50 CURRENT SENSE THRESHOLD (mV) –300 0 –400 10 0 1 2 3 4 5 0 0.5 1.0 1.5 2.0 2.5 3.0 10 100 1000 10000 LOAD CURRENT (A) ITH VOLTAGE (V) ION CURRENT (µA) 38105 G10 38105 G11 38105 G12
On-Time vs VON Voltage On-Time vs Temperature Current Limit Foldback
700 680 250 600 660 200 500 640 400 150 620 300 ON-TIME (ns) ON-TIME (ns) 100 600 200 50 100 580 ION = 300µA ION = 300µA V 0 560 MAXIMUM CURRENT SENSE THRESHOLD (mV) RNG = INTVCC 0 0 0.5 1 1.5 2 2.5 3 –50 –25 0 25 50 75 100 125 150 0 0.2 0.4 0.6 0.8 VON VOLTAGE (V) TEMPERATURE (°C) VFB (V) 38105 G14 38105 G13 38105 G15
Maximum Current Sense Maximum Current Sense Reference Voltage vs Threshold vs VRNG Voltage Threshold vs Temperature Temperature
400 230 0.803 220 0.802 300 0.801 210 200 0.800 200 0.799 100 REFERENCE VOLTAGE (V) 190 0.798 V MAXIMUM CURRENT SENSE THRESHOLD (mV) RNG = INTVCC 0 MAXIMUM CURRENT SENSE THRESHOLD (mV) 180 0.797 0.5 1 1.5 2 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 VRNG VOLTAGE (V) TEMPERATURE (°C) TEMPERATURE (°C) 38105 G17 38105 G18 38105 G16 38105fd 6 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
