Datasheet LT3970 (Analog Devices) - 8

LT3970 Series
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Transient Load Response; Load Current is Stepped from 10mA Power Good Threshold EN Threshold (Burst Mode Operation) to 110mA
92 1.050 VOUT 91 1.025 100mV/DIV IL 90 1.000 100mA/DIV THRESHOLD (%) 100µs/DIV 3970 G27 89 THRESHOLD VOLTAGE (V) 0.975 FRONT PAGE APPLICATION VIN = 12V VOUT = 5V 88 0.950 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) 3970 G25 3970 G26
Transient Load Response; Load Current is Stepped from 100mA Switching Waveforms, Switching Waveforms, Full to 200mA Burst Mode Operation Frequency Continuous Operation
V V V SW SW OUT 5V/DIV 5V/DIV 100mV/DIV IL IL I 100mA/DIV 200mA/DIV L 100mA/DIV VOUT VOUT 5mV/DIV 5mV/DIV 100µs/DIV 3970 G28 2µs/DIV 3970 G29 1µs/DIV 3970 G30 FRONT PAGE APPLICATION FRONT PAGE APPLICATION FRONT PAGE APPLICATION VIN = 12V VIN = 12V VIN = 12V VOUT = 5V VOUT = 5V VOUT = 5V ILOAD = 10mA ILOAD = 350mA Rev. D 8 For more information www.analog.com 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 Related Parts