Datasheet LTC1871-7 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | High Input Voltage, Current Mode Boost, Flyback and SEPIC Controller |
| Pages / Page | 34 / 5 — Typical perForMance characTerisTics. Shutdown Mode IQ vs VIN. Shutdown … |
| File Format / Size | PDF / 398 Kb |
| Document Language | English |
Typical perForMance characTerisTics. Shutdown Mode IQ vs VIN. Shutdown Mode IQ vs Temperature. Burst Mode IQ vs VIN
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LTC1871-7
Typical perForMance characTerisTics Shutdown Mode IQ vs VIN Shutdown Mode IQ vs Temperature Burst Mode IQ vs VIN
30 20 600 VIN = 8V 500 15 (µA) Q 20 (µA) Q (µA) 400 Q 10 300 10 200 BURST MODE I SHUTDOWN MODE I SHUTDOWN MODE I 5 100 0 0 0 0 10 20 30 40 –50 –25 0 25 50 75 100 125 150 0 10 20 30 40 VIN (V) TEMPERATURE (°C) VIN (V) 18717 G04 18717 G05 18717 G06
Gate Drive Rise and Burst Mode IQ vs Temperature Dynamic IQ vs Frequency Fall Time vs CL
500 18 60 CL = 3300pF 16 IQ(TOT) = 600µA + Qg • f 50 400 14 12 40 (µA) Q 300 10 RISE TIME (mA) 30 I Q 8 200 TIME (ns) Burst Mode I 6 20 FALL TIME 100 4 10 2 0 0 0 –50 –25 0 25 50 75 100 125 150 0 200 400 600 800 1000 1200 0 2000 4000 6000 8000 10000 12000 TEMPERATURE (°C) FREQUENCY (kHz) CL (pF) 18717 G07 18717 G08 18717 G09
RUN Thresholds vs VIN RUN Thresholds vs Temperature RT vs Frequency
1.5 1.40 1000 1.35 1.4 1.30 (kΩ) 100 R T 1.3 RUN THRESHOLDS (V) RUN THRESHOLDS (V) 1.25 1.2 1.20 10 0 10 20 30 40 –50 –25 0 25 50 75 100 125 150 0 100 200 300 400 500 600 700 800 900 1000 VIN (V) TEMPERATURE (°C) FREQUENCY (kHz) 18717 G10 18717 G11 18717 G12 18717fd 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 Revision History Typical Application Related Parts
Typical perForMance characTerisTics Shutdown Mode IQ vs VIN Shutdown Mode IQ vs Temperature Burst Mode IQ vs VIN
30 20 600 VIN = 8V 500 15 (µA) Q 20 (µA) Q (µA) 400 Q 10 300 10 200 BURST MODE I SHUTDOWN MODE I SHUTDOWN MODE I 5 100 0 0 0 0 10 20 30 40 –50 –25 0 25 50 75 100 125 150 0 10 20 30 40 VIN (V) TEMPERATURE (°C) VIN (V) 18717 G04 18717 G05 18717 G06
Gate Drive Rise and Burst Mode IQ vs Temperature Dynamic IQ vs Frequency Fall Time vs CL
500 18 60 CL = 3300pF 16 IQ(TOT) = 600µA + Qg • f 50 400 14 12 40 (µA) Q 300 10 RISE TIME (mA) 30 I Q 8 200 TIME (ns) Burst Mode I 6 20 FALL TIME 100 4 10 2 0 0 0 –50 –25 0 25 50 75 100 125 150 0 200 400 600 800 1000 1200 0 2000 4000 6000 8000 10000 12000 TEMPERATURE (°C) FREQUENCY (kHz) CL (pF) 18717 G07 18717 G08 18717 G09
RUN Thresholds vs VIN RUN Thresholds vs Temperature RT vs Frequency
1.5 1.40 1000 1.35 1.4 1.30 (kΩ) 100 R T 1.3 RUN THRESHOLDS (V) RUN THRESHOLDS (V) 1.25 1.2 1.20 10 0 10 20 30 40 –50 –25 0 25 50 75 100 125 150 0 100 200 300 400 500 600 700 800 900 1000 VIN (V) TEMPERATURE (°C) FREQUENCY (kHz) 18717 G10 18717 G11 18717 G12 18717fd 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 Revision History Typical Application Related Parts
