Datasheet LTC3805 (Analog Devices) - 6
| Hersteller | Analog Devices |
| Beschreibung | Adjustable Frequency Current Mode Flyback DC/DC Controller |
| Seiten / Seite | 20 / 6 — typical perForMance characteristics. ICC Supply Current. Peak Current … |
| Dateiformat / Größe | PDF / 268 Kb |
| Dokumentensprache | Englisch |
typical perForMance characteristics. ICC Supply Current. Peak Current Sense Voltage. CC Shunt Regulator Voltage. vs Temperature
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LTC3805
typical perForMance characteristics ICC Supply Current V Peak Current Sense Voltage CC Shunt Regulator Voltage vs Temperature vs Temperature vs Temperature
350 9.60 100.8 100.6 9.55 340 VCLAMP25mA 100.4 9.50 TAGE (mV) 100.2 330 9.45 (V) 100.0 9.40 99.8 Y CURRENT (µA) 320 V CLAMP 9.35 99.6 SUPPL 9.30 VCLAMP1mA 99.4 310 9.25 PEAK CURRENT SENSE VOL 99.2 300 9.20 99.0 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3805 G10 3805 G11 3805 G12
Overcurrent Threshold Internal Soft-Start Time vs Temperature vs Temperature
104 2.20 2.15 102 2.10 100 T TIME (ms) AR T-ST 2.05 98 2.00 96 OVERCURRENT THRESHOLD (mV) INTERNAL SOF 1.95 94 1.90 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) 3805 G13 3805 G14
External Soft-Start Current External Timeout Current vs Temperature vs Temperature
5.3 2.1 5.2 2.0 5.1 5.0 1.9 4.9 T CURRENT (µA) 1.8 AR 4.8 T-ST 4.7 1.7 SOF 4.6 I SS EXTERNAL TIMEOUT CURRENT (µA) 1.6 4.5 OIFT 4.4 1.5 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) 3805 G15 3805 G16 3805fg 6 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration 0rder Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Application Package Description Revision History Typical Application Related Parts
typical perForMance characteristics ICC Supply Current V Peak Current Sense Voltage CC Shunt Regulator Voltage vs Temperature vs Temperature vs Temperature
350 9.60 100.8 100.6 9.55 340 VCLAMP25mA 100.4 9.50 TAGE (mV) 100.2 330 9.45 (V) 100.0 9.40 99.8 Y CURRENT (µA) 320 V CLAMP 9.35 99.6 SUPPL 9.30 VCLAMP1mA 99.4 310 9.25 PEAK CURRENT SENSE VOL 99.2 300 9.20 99.0 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3805 G10 3805 G11 3805 G12
Overcurrent Threshold Internal Soft-Start Time vs Temperature vs Temperature
104 2.20 2.15 102 2.10 100 T TIME (ms) AR T-ST 2.05 98 2.00 96 OVERCURRENT THRESHOLD (mV) INTERNAL SOF 1.95 94 1.90 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) 3805 G13 3805 G14
External Soft-Start Current External Timeout Current vs Temperature vs Temperature
5.3 2.1 5.2 2.0 5.1 5.0 1.9 4.9 T CURRENT (µA) 1.8 AR 4.8 T-ST 4.7 1.7 SOF 4.6 I SS EXTERNAL TIMEOUT CURRENT (µA) 1.6 4.5 OIFT 4.4 1.5 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) 3805 G15 3805 G16 3805fg 6 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration 0rder Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Application Package Description Revision History Typical Application Related Parts