Datasheet LT3758, LT3758A (Analog Devices) - 5

LT3758/LT3758A
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Positive Feedback Voltage Negative Feedback Voltage vs Temperature, VIN vs Temperature, VIN
1605 –790 VIN = INTVCC = 5.5V VIN = 100V –792 SHDN/UVLO = 1.33V 1600 VIN = 24V –794 VIN = 8V 1595 –796 VIN = 8V 1590 –798 VIN = 100V VIN = INTVCC = 5.5V –800 SHDN/UVLO = 1.33V V 1585 IN = 24V REGULATED FEEDBACK VOLTAGE (V) –802 REGULATED FEEDBACK VOLTAGE (mV) 1580 –804 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) 3758 G01 3758 G02
Quiescent Current Dynamic Quiescent Current vs Temperature, VIN vs Switching Frequency
1.9 35 CGATE = 3300pF 30 1.8 25 VIN = 100V 20 1.7 (mA) I Q 15 VIN = 24V 10 QUIESCENT CURRENT (mA) 1.6 5 VIN = INTVCC = 5.5V 1.5 0 –75 –50 –25 0 25 50 75 100 125 150 0 100 200 300 400 500 600 700 800 900 1000 TEMPERATURE (°C) SWITCHING FREQUENCY (kHz) 3758 G03 3758 G04
Normalized Switching RT vs Switching Frequency Frequency vs FBX
1000 120 100 80 (kΩ) 100 60 R T 40 NORMALIZED FREQUENCY (%) 20 10 0 0 100 200 300 400 500 600 700 800 900 1000 –0.8 –0.4 0 0.4 0.8 1.2 1.6 SWITCHING FREQUENCY (kHz) FBX VOLTAGE (V) 3758 G05 3758 G06 Rev F For more information www.analog.com 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Applications Related Parts Typical Applications Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts