Datasheet LT3512 (Analog Devices) - 4

LT3512
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. EN/UVLO Pin (Hysteresis) Current EN/UVLO Pin Current EN/UVLO Threshold vs Temperature vs VEN/UVLO vs Temperature
5 30 3.0 EN/UVLO = 1.2V 25 4 2.5 20 2.0 3 15 1.5 2 10 1.0 EN/UVLO THRESHOLD (V) EN/UVLO PIN CURRENT (µA) 1 EN/UVLO PIN CURRENT (µA) 5 0.5 0 0 0 –50 –25 0 25 50 75 100 125 150 1 20 40 60 80 100 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) VEN/UVLO VOLTAGE (V) TEMPERATURE (°C) 3512 G07 3512 G08 3512 G09
Maximum Frequency Minimum Frequency EN/UVLO Shutdown Threshold vs Temperature vs Temperature vs Temperature
1000 100 0.9 900 90 0.8 800 80 0.7 700 70 0.6 600 60 0.5 500 40 0.4 400 40 0.3 300 30 EN/UVLO THRESHOLD (V) MAXIMUM FREQUENCY (kHz) 200 MINIMUM FREQUENCY (kHz) 20 0.2 100 10 0.1 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) 3512 G10 3512 G11 3512 G14
Light Load Discontinuous Boundary Mode Waveform Mode Waveform
20V/DIV 20V/DIV 2µs/DIV 3512 G12 2µs/DIV 3512 G13 3512fb 4 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