Datasheet LT3790 (Analog Devices) - 8

LT3790
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. BG1, BG2 Driver On-Resistance TG1, TG2 Driver On-Resistance PWMOUT On-Resistance vs Temperature vs Temperature vs Temperature
4.5 4.0 14 4.0 3.5 12 3.5 PULL-UP 3.0 PULL-UP 10 PULL-UP 3.0 2.5 2.5 8 2.0 PULL-DOWN 2.0 6 PULL-DOWN 1.5 1.5 PULL-DOWN 4 BG1, BG2 RESISTANCE (Ω) 1.0 TG1, TG2 RESISTANCE (Ω) 1.0 PWMOUT RESISTANCE (Ω) 2 0.5 0.5 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) 3790 G29 3790 G30 3790 G31
V(SNSP-SNSN) Buck Threshold V(SNSP-SNSN) Buck Threshold VC Voltage vs Duty Cycle vs VC vs Temperature
1.6 60 60 V(SNSP-SNSN) = 0V 1.4 VC(MIN) 40 40 BG2 1.2 20 20 1.0 BG1 (mV) (V) 0.8 0 0 V C THRESHOLD (mV) 0.6 V (SNSP-SNSN) –20 –20 0.4 –40 V (SNSP-SNSN) –40 VC(MAX) 0.2 0 –60 –60 0 20 40 60 80 100 0.6 0.8 1.0 1.2 1.4 1.6 1.8 –50 –25 0 25 50 75 100 125 150 DUTY CYCLE (%) VC (V) TEMPERATURE (°C) 3790 G32 3790 G33 3790 G34
V(SNSP-SNSN) Boost Threshold V(SNSP-SNSN) Boost Threshold vs VC vs Temperature
60 60 40 40 VC(MAX) 20 20 (mV) 0 0 THRESHOLD (mV) –20 –20 V (SNSP-SNSN) –40 –40 V (SNSP-SNSN) –60 –60 VC(MIN) –80 –80 0.6 0.8 1.0 1.2 1.4 1.6 1.8 –50 –25 0 25 50 75 100 125 150 VC (V) TEMPERATURE (°C) 3790 G35 3790 G36 3790fa 8 For more information www.linear.com/LT3790 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Electrical Characteristics Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Typical Application Related Parts