Datasheet LT8570, LT8570-1 (Analog Devices) - 5

LT8570/LT8570-1
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise specified Oscillator Frequency During Soft-Start Internal UVLO SHDN Pin Current
) 1 2.7 30 NOM 125°C 25°C 2.6 25 –40°C 2.5 20 1/2 2.4 15 VOLTAGE (V) 1/3 PIN CURRENT (µA) V IN 2.3 10 1/4 SHDN 1/5 1/6 2.2 5 INVERTING NONINVERTING CONFIGURATIONS CONFIGURATIONS 0 NORMALIZED OSCILLATOR FREQUENCY (F/F 2.1 0 0 0.2 0.4 0.6 0.8 1 1.2 –50 –25 0 25 50 75 100 125 150 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2 FBX VOLTAGE (V) TEMPERATURE (°C) SHDN VOLTAGE (V) 8570 G08 8570 G09 8570 G10
SHDN Pin Current Active/Lockout Threshold Minimum On-Time vs Temperature
400 1.40 280 125°C 350 25°C 1.38 240 –40°C 1.36 300 RECOMMENDED MINIMUM ON-TIME 1.34 200 250 1.32 SHDN RISING 160 200 1.30 VOLTAGE (V) 120 PIN CURRENT (µA) 150 1.28 SHDN 1.26 SHDN FALLING SHDN 100 MINIMUM ON TIME (ns) 80 MEASURED MINIMUM ON-TIME 1.24 50 40 1.22 0 1.20 0 0 5 10 15 20 25 30 35 40 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 SHDN VOLTAGE (V) TEMPERATURE (°C) TEMPERATURE (°C) 8570 G11 8570 G12 8570 G13 85701fa For more information www.linear.com/LT8570 5 Document Outline Features Applications Typical Application Description 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