Datasheet LT3045 (Analog Devices) - 8

FabricanteAnalog Devices
Descripción20V, 500mA, Ultralow Noise, Ultrahigh PSRR Linear Regulator
Páginas / Página32 / 8 — TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted. …
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TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted. Input Pin Current. Internal Current Limit

TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted Input Pin Current Internal Current Limit

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LT3045
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted. Input Pin Current Internal Current Limit Internal Current Limit
0.3 1000 600 VIN = 2V 150°C RILIM = 0Ω 900 VIN = 20V 125°C VOUT = 0V RILIM = 0Ω 25°C 500 800 VOUT = 0V –55°C 0.2 700 400 600 500 300 400 0.1 200 INPUT CURRENT (µA) 300 CURRENT LIMIT (mA) CURRENT LIMIT (mA) 200 100 VIN = 2.5V 100 VIN = 12V 0 0 0 –20 –18 –16 –14 –12 –10 –8 –6 –4 –2 0 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 ENABLE PIN VOLTAGE (V) TEMPERATURE (°C) TEMPERATURE (°C) 3045 G25 3045 G26 3045 G27
Internal Current Limit Programmable Current Limit Programmable Current Limit
1000 1000 200 RILIM = 0Ω 900 RILIM = 300Ω 900 RILIM = 1.5k V 180 OUT = 0V VOUT = 0V 800 800 160 700 700 140 600 600 120 VIN = 2.5V 500 500 100 V 400 400 IN = 12V 80 300 CURRENT LIMIT (mA) 300 CURRENT LIMIT (mA) 60 CURRENT LIMIT (mA) 150°C 200 125°C 200 40 25°C 100 VIN = 2.5V 100 20 –55°C VIN = 12V 0 0 0 0 2 4 6 8 10 12 14 16 18 20 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 INPUT-TO-OUTPUT DIFFERENTIAL (V) TEMPERATURE (°C) TEMPERATURE (°C) 3045 G28 3045 G29 3045 G30
ILIM Pin Current PGFB Rising Threshold PGFB Hysteresis
1000 310 8 VILIM = 0V V 900 V IN = 2V R IN = 2V SET = 13k 308 7 800 306 6 700 304 600 302 5 500 300 4 400 298 3 300 296 ILIM PIN CURRENT (uA) PGFB HYSTERESIS (mV) 2 200 2.5VIN 294 PGFB RISING THRESHOLD (mV) 5VIN 100 1 10V 292 IN 0 290 0 0 50 100 150 200 250 300 350 400 450 500 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 OUTPUT CURRENT (mA) TEMPERATURE (°C) TEMPERATURE (°C) 3045 G31 3045 G32 3045 G33 Rev. B 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 Applications Information Typical Applications Package Description Revision History Typical Application Related Parts