Datasheet LT8301 (Analog Devices) - 4

LT8301
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Switching Frequency Output Load and Line Regulation Output Short-Circuit Protection vs Load Current
5.20 6 350 FRONT PAGE APPLICATION FRONT PAGE APPLICATION FRONT PAGE APPLICATION 5.15 300 5 5.10 250 4 5.05 200 5.00 3 150 4.95 2 OUTPUT VOLTAGE (V) OUTPUT VOLTAGE (V) 100 4.90 VIN = 5V VIN = 5V VIN = 5V V VIN = 12V SWITCHING FREQUENCY (kHz) IN = 12V 1 V V 50 IN = 12V 4.85 VIN = 24V IN = 24V VIN = 24V VIN = 36V VIN = 36V VIN = 36V 4.80 0 0 0 0.2 0.4 0.6 0.8 1.0 1.2 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0 0.2 0.4 0.6 0.8 1.0 1.2 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 8301 G01 8301 G02 8301 G03
Boundary Mode Waveforms Discontinuous Mode Waveforms Burst Mode Waveforms
VOUT VOUT VOUT 50mV/DIV 50mV/DIV 50mV/DIV VSW VSW 20V/DIV 20V/DIV VSW 20V/DIV 5µs/DIV 8301 G04 5µs/DIV 8301 G05 20µs/DIV 8301 G06 FRONT PAGE APPLICATION FRONT PAGE APPLICATION FRONT PAGE APPLICATION VIN = 12V VIN = 12V VIN = 12V ILOAD = 600mA ILOAD = 200mA ILOAD = 6mA
VIN Quiescent Current, VIN Quiescent Current, VIN Shutdown Current Sleep Mode Active Mode
10 T 140 400 J = 150°C TJ = 25°C T 130 8 J = –55°C 380 120 360 6 110 (µA) (µA) 100 (µA) 340 I Q I Q I Q 4 90 320 80 2 TJ = 150°C 300 TJ = 150°C 70 TJ = 25°C TJ = 25°C TJ = –55°C TJ = –55°C 0 60 280 0 5 10 15 20 25 30 35 40 45 0 5 10 15 20 25 30 35 40 45 0 5 10 15 20 25 30 35 40 45 VIN (V) VIN (V) VIN (V) 8301 G07 8301 G08 8301 G09 Rev. B 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 Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts