Datasheet LT8330 (Analog Devices) - 5

LT8330
Typical perForMance characTerisTics VIN Pin Current (Sleep Mode, Not VIN Pin Current (Active Mode, Not Switching) vs Temperature Switching) vs Temperature Burst Frequency vs Load Current
10.00 1000 2.5 VIN = 12V VIN = 12V FRONT PAGE APPLICATION 8.75 950 VIN = 12V 2.0 7.50 900 VOUT = 48V 6.25 850 1.5 5.00 800 3.75 1.0 PIN CURRENT (µA) 750 PIN CURRENT (µA) V IN 2.50 V IN 700 0.5 SWITCHING FREQUENCY (MHz) 1.25 650 0 600 0 –50 –25 0 25 50 75 100 125 150 175 –50 –25 0 25 50 75 100 125 150 175 0 10 20 30 40 50 JUNCTION TEMPERATURE (°C) JUNCTION TEMPERATURE (°C) LOAD CURRENT (mA) 8330 G10 8330 G11 8330 G12
Switching Waveforms Switching Waveforms Switching Waveforms (in CCM) (in DCM/Light Burst Mode) (in Deep Burst Mode)
IL 500mA/DIV IL IL 500mA/DIV 500mA/DIV V V SW SW 20V/DIV 20V/DIV VSW 20V/DIV 1µs/DIV 8330 G13 1µs/DIV 8330 G14 1µs/DIV 8330 G15 FRONT PAGE APPLICATION FRONT PAGE APPLICATION FRONT PAGE APPLICATION VIN = 12V, VOUT = 48V, ILOAD = 135mA VIN = 12V, VOUT = 48V, ILOAD = 20mA VIN = 12V, VOUT = 48V, ILOAD = 2mA
VOUT Transient Response: Load VOUT Transient Response: Load Current Transients from 67.5mA to Current Transients from 5mA to 135mA to 67.5mA 135mA to 5mA
FRONT PAGE APPLICATION FRONT PAGE APPLICATION IL IL 100mA/DIV 100mA/DIV VIN = 12V VIN = 12V VOUT = 48V VOUT = 48V VOUT 500mV/DIV VOUT 500mV/DIV 100µs/DIV 8330 G16 100µs/DIV 8330 G17 8330fa For more information www.linear.com/LT8330 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