Datasheet LT3763 (Analog Devices) - 7
| Hersteller | Analog Devices |
| Beschreibung | 60V High Current Step-Down LED Driver Controller |
| Seiten / Seite | 30 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. TG Driver RDS(ON). BG Driver … |
| Revision | C |
| Dateiformat / Größe | PDF / 1.0 Mb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. TG Driver RDS(ON). BG Driver RDS(ON). Nonoverlap Time. Minimum Off-Time. Minimum On-Time
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LT3763
TYPICAL PERFORMANCE CHARACTERISTICS TG Driver RDS(ON) BG Driver RDS(ON) Nonoverlap Time
4 4 80 3 3 60 PULL-UP PULL-UP BG TO TG (Ω) (Ω) 2 2 40 TG TO BG R DS(ON) R DS(ON) 1 PULL-DOWN 1 NONOVERLAP TIME (ns) 20 PULL-DOWN 0 0 0 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3763 G19 3763 G20 3763 G21
Minimum Off-Time Minimum On-Time Oscillator Frequency
200 80 1.2 1MHz 160 HG LG 60 0.9 LG 120 40 HG 0.6 80 500kHz FREQUENCY (MHz) MINIMUM OFF-TIME (ns) MINIMUM ON-TIME (ns) 20 0.3 40 200kHz 0 0 0 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3763 G22 3763 G23 3763 G24
Regulated Sense Voltage Current Regulation Accuracy Current Regulation Accuracy
60 1.0 1.0 VCTRL1 = 1.5V VCTRL1 = 0.75V VIN = 12V VIN = 12V 50 0.5 0.5 – (mV) 40 SENSE 30 0 0 + – V 20 ACCURACY (%) ACCURACY (%) V SENSE –0.5 –0.5 10 0 –1.0 –1.0 0 0.5 1.0 1.5 2.0 0 2 4 6 8 10 0 2 4 6 8 10 VCTRL1 (V) VOUT (V) VOUT (V) 3763 G25 3763 G26 3763 G27 Rev. C For more information www.analog.com 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TG Driver RDS(ON) BG Driver RDS(ON) Nonoverlap Time
4 4 80 3 3 60 PULL-UP PULL-UP BG TO TG (Ω) (Ω) 2 2 40 TG TO BG R DS(ON) R DS(ON) 1 PULL-DOWN 1 NONOVERLAP TIME (ns) 20 PULL-DOWN 0 0 0 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3763 G19 3763 G20 3763 G21
Minimum Off-Time Minimum On-Time Oscillator Frequency
200 80 1.2 1MHz 160 HG LG 60 0.9 LG 120 40 HG 0.6 80 500kHz FREQUENCY (MHz) MINIMUM OFF-TIME (ns) MINIMUM ON-TIME (ns) 20 0.3 40 200kHz 0 0 0 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3763 G22 3763 G23 3763 G24
Regulated Sense Voltage Current Regulation Accuracy Current Regulation Accuracy
60 1.0 1.0 VCTRL1 = 1.5V VCTRL1 = 0.75V VIN = 12V VIN = 12V 50 0.5 0.5 – (mV) 40 SENSE 30 0 0 + – V 20 ACCURACY (%) ACCURACY (%) V SENSE –0.5 –0.5 10 0 –1.0 –1.0 0 0.5 1.0 1.5 2.0 0 2 4 6 8 10 0 2 4 6 8 10 VCTRL1 (V) VOUT (V) VOUT (V) 3763 G25 3763 G26 3763 G27 Rev. C For more information www.analog.com 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts