Datasheet LT8300 (Analog Devices) - 4

LT8300
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Switching Frequency Output Load and Line Regulation Output Temperature Variation vs Load Current
5.20 5.5 500 FRONT PAGE APPLICATION FRONT PAGE APPLICATION FRONT PAGE APPLICATION 5.15 5.4 VIN = 48V, IOUT = 200mA VIN = 48V 5.3 400 5.10 5.2 5.05 5.1 300 TAGE (V) TAGE (V) 5.00 5.0 4.95 4.9 200 FREQUENCY (kHz) OUTPUT VOL OUTPUT VOL 4.8 4.90 V 4.7 100 IN = 36V 4.85 VIN = 48V 4.6 VIN = 72V 4.80 4.5 0 0 50 100 150 200 250 300 –50 –25 0 25 50 75 100 125 150 0 50 100 150 200 250 300 LOAD CURRENT (mA) AMBIENT TEMPERATURE (°C) LOAD CURRENT (mA) 8300 G01 8300 G02 8300 G03
Boundary Mode Waveforms Discontinuous Mode Waveforms Burst Mode Waveforms
ILPRI 100mA/DIV ILPRI ILPRI 100mA/DIV 100mA/DIV VSW 50V/DIV VSW VSW 50V/DIV 50V/DIV VOUT 50mV/DIV VOUT VOUT 50mV/DIV 50mV/DIV 2µs/DIV 8300 G04 2µs/DIV 8300 G05 20µs/DIV 8300 G06 FRONT PAGE APPLICATION FRONT PAGE APPLICATION FRONT PAGE APPLICATION VIN = 48V, IOUT = 300mA VIN = 48V, IOUT = 60mA VIN = 48V, IOUT = 1mA
VIN Quiescent Current, VIN Quiescent Current, VIN Shutdown Current Sleep Mode Active Mode
10 100 380 90 8 360 80 TJ = 150°C TJ = 150°C 6 340 (µA) (µA) 70 TJ = 25°C (µA) TJ = 25°C I Q I Q I Q 4 320 60 T T J = –55°C J = 25°C TJ = –55°C T 2 J = 150°C 300 50 TJ = –55°C 0 40 280 0 20 40 60 80 100 0 20 40 60 80 100 0 20 40 60 80 100 VIN (V) VIN (V) VIN (V) 8300 G07 8300 G08 8300 G09 Rev. A 4 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Operation Applications Information Typical Applications Package Description Typical Application Related Parts