Datasheet LTM8033 (Analog Devices) - 3

LTM8033
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, RUN/SS = 12V unless otherwise noted (Note 2). PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage l 3.6 V Output DC Voltage 0A < IOUT < 3A, RADJ Open, VIN = 24V 0.8 V 0A < IOUT < 3A, RADJ = 16.5k, VIN = 32V 24 V Output DC Current VIN = 24V 0 3 A Quiescent Current into VIN RUN/SS = 0.2V 0.01 1 µA Not Switching 30 60 µA BIAS = 0V, Not Switching 100 150 µA Quiescent Current into BIAS RUN/SS = 0.2V 0.01 0.5 µA Not Switching 75 120 µA BIAS = 0V, Not Switching 0 5 µA Line Regulation 5.5V < VIN < 36V 0.3 % Load Regulation 0A < IOUT < 3A, VIN = 24V 0.4 % Output RMS Voltage Ripple VIN = 24V, 0A < IOUT < 3A 5 mV Switching Frequency RT = 45.3k 780 kHz Voltage at ADJ Pin l 775 790 805 mV Current Out of ADJ Pin ADJ = 1V, VOUT = 0V 2 µA Minimum BIAS Voltage for Proper Operation 2 2.8 V RUN/SS Pin Current RUN/SS = 2.5V 5 10 µA RUN/SS Input High Voltage 2.5 V RUN/SS Input Low Voltage 0.2 V PGOOD Threshold (at ADJ) VOUT Rising 730 mV PGOOD Leakage Current PGOOD = 30V, RUN/SS = 0V 0.1 1 µA PGOOD Sink Current PGOOD = 0.4V 200 735 µA SYNC Input Low Threshold fSYNC = 550kHz 0.5 V SYNC Input High Threshold fSYNC = 550kHz 0.7 V SYNC Bias Current SYNC = 0V 0.1 µA 500kHz Narrowband Conducted Emissions 24VIN, 3.3VOUT, IOUT = 3A, 5µH LISN 89 dBµV 1MHz Narrowband Conducted Emissions 69 dBµV 3MHz Narrowband Conducted Emissions 51 dBµV
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings LTM8033I is guaranteed to meet specifications over the full –40°C may cause permanent damage to the device. Exposure to any Absolute to 125°C internal operating temperature range. The LTM8033MP is Maximum Rating condition for extended periods may affect device guaranteed to meet specifications over the full –55°C to 125°C internal reliability and lifetime. operating temperature range. Note that the maximum internal temperature
Note 2:
The LTM8033E is guaranteed to meet performance specifications is determined by specific operating conditions in conjunction with board from 0°C to 125°C internal. Specifications over the full –40°C to layout, the rated package thermal resistance and other environmental 125°C internal operating temperature range are assured by design, factors. characterization and correlation with statistical process controls. The 8033fb For more information www.linear.com/LTM8033 3 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 Package Photographs Revision History Typical Application Related Parts