Datasheet LT3072 (Analog Devices) - 9
| 制造商 | Analog Devices |
| 描述 | Dual, Low Noise, 2.5A Programmable Output, 80mV Low Dropout Linear Regulator |
| 页数 / 页 | 28 / 9 — TYPICAL PERFORMANCE CHARACTERISTICS. VIOC VIN – VOUT Servo Voltage,. … |
| 文件格式/大小 | PDF / 2.5 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. VIOC VIN – VOUT Servo Voltage,. PWRGD VOL Threshold. PWRGD Internal Time Delay
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LT3072
TYPICAL PERFORMANCE CHARACTERISTICS VIOC VIN – VOUT Servo Voltage, PWRGD VOL Threshold PWRGD Internal Time Delay IOUT = 10mA
100 50 500 IPWRGD = 200µA VIN = VOUT + 0.3V 90 45 490 80 40 Y (µs) 480 TAGE (mV) 70 V 35 OH TO VOL 470 TAGE (mV) 60 30 460 VO VOL VOL 50 25 450 OL 40 20 440 30 15 430 PWRGD V V 20 10 OUT = 0.60V, VBIAS = 2.5V VOL TO VOH 420 VOUT = 0.65V, VBIAS = 2.5V 10 PWRGD INTERNAL TIME DELA 5 VIOC IN–TO–OUT SER V 410 OUT = 0.70V, VBIAS = 2.5V VOUT = 2.50V, VBIAS = 3.7V 0 0 400 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3072 G28 3072 G29 3072 G30
VIOC VIN – VOUT Servo Voltage, IOUT = 2.5A VIOC Output Current (Sourcing) VIOC Output Current (Sinking)
400 390 390 VIN = VOUT + 0.3V 370 370 380 350 350 TAGE (mV) 360 330 330 340 310 310 VO VOL 290 290 320 270 270 300 250 250 VBIAS = 5.25V VBIAS = 5.25V 280 V 230 230 OUT = 0.60V, VBIAS = 2.5V VBIAS = 2.375V VBIAS = 2.375V V VIOC OUTPUT CURRENT (µA) VIOC OUTPUT CURRENT (µA) OUT = 0.65V, VBIAS = 2.5V 210 210 260 V VIOC IN–TO–OUT SER OUT = 0.70V, VBIAS = 2.5V VIN – VOUT = 0.02V VIN – VOUT = 0.9V V 190 190 OUT = 2.50V, VBIAS = 3.7V CURRENT FLOWS OUT OF THE PIN CURRENT FLOWS INTO THE PIN 240 170 170 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3072 G31 3072 G32 3072 G33
IMON/LIM External Current Limit TEMP Pin Error IOUT/IMON Ratio Threshold
10 3300 1.05 I VBIAS = VOUT + 1.2V 8 MON = VMON/RMON 3250 R 1.04 MON = 1kΩ 3200 6 V –40°C IN = VOUT + 0.3V 1.03 V 3150 BIAS = VOUT + 1.2V 4 1.02 3100 2 3050 1.01 TIO (A/A) 0 RA 3000 1.00 25°C –2 2950 /I MON PIN THRESHOLD (V) 0.99 2900 –4 TEMP PIN ERROR (°C) I OUT 0.98 2850 –6 I MON/LIM 0.97 2800 125°C –8 2750 0.96 –10 2700 0.95 0 25 50 75 100 125 150 0 0.5 1.0 1.5 2.0 2.5 3.0 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) OUTPUT CURRENT (A) TEMPERATURE (°C) 3072 G34 3072 G35 3072 G36 Rev. 0 For more information www.analog.com 9 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 Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS VIOC VIN – VOUT Servo Voltage, PWRGD VOL Threshold PWRGD Internal Time Delay IOUT = 10mA
100 50 500 IPWRGD = 200µA VIN = VOUT + 0.3V 90 45 490 80 40 Y (µs) 480 TAGE (mV) 70 V 35 OH TO VOL 470 TAGE (mV) 60 30 460 VO VOL VOL 50 25 450 OL 40 20 440 30 15 430 PWRGD V V 20 10 OUT = 0.60V, VBIAS = 2.5V VOL TO VOH 420 VOUT = 0.65V, VBIAS = 2.5V 10 PWRGD INTERNAL TIME DELA 5 VIOC IN–TO–OUT SER V 410 OUT = 0.70V, VBIAS = 2.5V VOUT = 2.50V, VBIAS = 3.7V 0 0 400 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3072 G28 3072 G29 3072 G30
VIOC VIN – VOUT Servo Voltage, IOUT = 2.5A VIOC Output Current (Sourcing) VIOC Output Current (Sinking)
400 390 390 VIN = VOUT + 0.3V 370 370 380 350 350 TAGE (mV) 360 330 330 340 310 310 VO VOL 290 290 320 270 270 300 250 250 VBIAS = 5.25V VBIAS = 5.25V 280 V 230 230 OUT = 0.60V, VBIAS = 2.5V VBIAS = 2.375V VBIAS = 2.375V V VIOC OUTPUT CURRENT (µA) VIOC OUTPUT CURRENT (µA) OUT = 0.65V, VBIAS = 2.5V 210 210 260 V VIOC IN–TO–OUT SER OUT = 0.70V, VBIAS = 2.5V VIN – VOUT = 0.02V VIN – VOUT = 0.9V V 190 190 OUT = 2.50V, VBIAS = 3.7V CURRENT FLOWS OUT OF THE PIN CURRENT FLOWS INTO THE PIN 240 170 170 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3072 G31 3072 G32 3072 G33
IMON/LIM External Current Limit TEMP Pin Error IOUT/IMON Ratio Threshold
10 3300 1.05 I VBIAS = VOUT + 1.2V 8 MON = VMON/RMON 3250 R 1.04 MON = 1kΩ 3200 6 V –40°C IN = VOUT + 0.3V 1.03 V 3150 BIAS = VOUT + 1.2V 4 1.02 3100 2 3050 1.01 TIO (A/A) 0 RA 3000 1.00 25°C –2 2950 /I MON PIN THRESHOLD (V) 0.99 2900 –4 TEMP PIN ERROR (°C) I OUT 0.98 2850 –6 I MON/LIM 0.97 2800 125°C –8 2750 0.96 –10 2700 0.95 0 25 50 75 100 125 150 0 0.5 1.0 1.5 2.0 2.5 3.0 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) OUTPUT CURRENT (A) TEMPERATURE (°C) 3072 G34 3072 G35 3072 G36 Rev. 0 For more information www.analog.com 9 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 Typical Application Related Parts