Datasheet LT3685 (Analog Devices) - 6

LT3685
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C unless otherwise noted. Minimum Input Voltage Minimum Input Voltage VC Voltages
5.0 6.5 2.50 4.5 6.0 2.00 CURRENT LIMIT CLAMP 4.0 1.50 5.5 TAGE (V) TAGE (V) 3.5 TAGE (V) VOL 5.0 C 1.00 V SWITCHING THRESHOLD 3.0 INPUT VOL INPUT VOL 4.5 0.50 2.5 VOUT = 3.3V VOUT = 5V L = 4.7μH L = 4.7μH f = 800kHz f = 800kHz 2.0 4.0 0 1 10 100 1000 10000 1 10 100 1000 10000 –50 –25 0 25 50 75 100 125 150 LOAD CURRENT (A) LOAD CURRENT (A) TEMPERATURE (°C) 3685 G19 3685 G17 3685 G18
Switching Waveforms; Switching Waveforms; Power Good Threshold Discontinuous Operation Continuous Operation
95 VSW VSW 5V/DIV 90 5V/DIV TAGE (%) 85 IL IL 0.5A/DIV 1A/DIV THRESHOLD VOL 80 VOUT VOUT 10mV/DIV 10mV/DIV 75 –50 –25 0 25 50 75 100 125 150 3685 G21 1μs/DIV 3685 G22 1μs/DIV TEMPERATURE (°C) VIN = 12V; FRONT PAGE APPLICATION VIN = 12V; FRONT PAGE APPLICATION I I 3685 G20 LOAD = 110mA LOAD = 1A 3685fb 6