Datasheet LT3072 (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | Dual, Low Noise, 2.5A Programmable Output, 80mV Low Dropout Linear Regulator |
| 页数 / 页 | 28 / 8 — TYPICAL PERFORMANCE CHARACTERISTICS. IN Pin Undervoltage Lockout. VIN – … |
| 文件格式/大小 | PDF / 2.5 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. IN Pin Undervoltage Lockout. VIN – VBIAS Overvoltage Lockout. Threshold. EN Pin Threshold
该数据表的模型线
文件文字版本
LT3072
TYPICAL PERFORMANCE CHARACTERISTICS IN Pin Undervoltage Lockout VIN – VBIAS Overvoltage Lockout Threshold Threshold EN Pin Threshold
0.59 320 1.1 300 0.56 1.0 280 0.9 EN RISING 0.53 260 VIN RISING V 0.8 0.50 240 IN – VBIAS RISING 220 0.7 0.47 200 0.6 0.44 180 0.5 160 EN FALLING 0.41 0.4 V 140 IN FALLING EN PIN THRESHOLD (V) 0.3 0.38 IN PIN UVLO THRESHOLD (V) 120 V 100 IN – VBIAS FALLING 0.2 0.35 IN–TO–BIAS OVLO THRESHOLD (mV) 80 0.1 0.32 60 0 –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 G19 3072 G20 3072 G21
EN Pin Input Current VO1,2B0,1,2 Pin Thresholds VO1,2B0,1,2 Pin Input Current
20 1.1 28 VBIAS = 5.25V VBIAS = 5.25V 18 1.0 24 25°C LOGIC Hi–Z TO HIGH (INPUT RISING) 20 125°C 16 0.9 25°C 16 14 125°C 0.8 12 –40°C 0.7 12 LOGIC HIGH TO Hi–Z (INPUT FALLING) 8 0.6 10 CURRENT FLOWS –40°C 4 0.5 INTO THE PIN 8 LOGIC LOW TO Hi–Z (INPUT RISING) 0 0.4 CURRENT FLOWS –4 6 TAGE SELECT THRESHOLD (V) 0.3 OUT OF THE PIN TAGE SELECT INPUT CURRENT (µA) –8 EN PIN INPUT CURRENT (µA) 4 LOGIC Hi–Z TO LOW (INPUT FALLING) 0.2 –12 2 0.1 OUTPUT VOL –16 0 0 OUTPUT VOL –20 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 –50 –25 0 25 50 75 100 125 150 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 EN PIN VOLTAGE (V) TEMPERATURE (°C) VO1,2B0,1,2 PIN VOLTAGE (V) 3072 G22 3072 G23 3072 G24
SENSE Pin Current SENSE Pin Current PWRGD Threshold
20 500 97 SENSE TIED TO OUT SENSE TIED TO OUT 18 96 CURRENT FLOWS INTO THE PIN 450 CURRENT FLOWS INTO THE PIN (%) 95 16 400 VOUT RISING 94 14 VOUT = 0.65V 350 VOUT = 2.5V 93 12 OUT(NOMINAL) 300 92 10 91 250 8 90 200 89 6 VOUT = 1.8V SENSE PIN CURRENT (µA) SENSE PIN CURRENT (µA) 88 4 150 VOUT FALLING V 87 2 OUT = 1.15V 100 V 86 OUT = 0.6V AND 1.2V PWRGD THRESHOLD OF V 0 50 85 –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 G25 3072 G26 3072 G27 Rev. 0 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 Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS IN Pin Undervoltage Lockout VIN – VBIAS Overvoltage Lockout Threshold Threshold EN Pin Threshold
0.59 320 1.1 300 0.56 1.0 280 0.9 EN RISING 0.53 260 VIN RISING V 0.8 0.50 240 IN – VBIAS RISING 220 0.7 0.47 200 0.6 0.44 180 0.5 160 EN FALLING 0.41 0.4 V 140 IN FALLING EN PIN THRESHOLD (V) 0.3 0.38 IN PIN UVLO THRESHOLD (V) 120 V 100 IN – VBIAS FALLING 0.2 0.35 IN–TO–BIAS OVLO THRESHOLD (mV) 80 0.1 0.32 60 0 –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 G19 3072 G20 3072 G21
EN Pin Input Current VO1,2B0,1,2 Pin Thresholds VO1,2B0,1,2 Pin Input Current
20 1.1 28 VBIAS = 5.25V VBIAS = 5.25V 18 1.0 24 25°C LOGIC Hi–Z TO HIGH (INPUT RISING) 20 125°C 16 0.9 25°C 16 14 125°C 0.8 12 –40°C 0.7 12 LOGIC HIGH TO Hi–Z (INPUT FALLING) 8 0.6 10 CURRENT FLOWS –40°C 4 0.5 INTO THE PIN 8 LOGIC LOW TO Hi–Z (INPUT RISING) 0 0.4 CURRENT FLOWS –4 6 TAGE SELECT THRESHOLD (V) 0.3 OUT OF THE PIN TAGE SELECT INPUT CURRENT (µA) –8 EN PIN INPUT CURRENT (µA) 4 LOGIC Hi–Z TO LOW (INPUT FALLING) 0.2 –12 2 0.1 OUTPUT VOL –16 0 0 OUTPUT VOL –20 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 –50 –25 0 25 50 75 100 125 150 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 EN PIN VOLTAGE (V) TEMPERATURE (°C) VO1,2B0,1,2 PIN VOLTAGE (V) 3072 G22 3072 G23 3072 G24
SENSE Pin Current SENSE Pin Current PWRGD Threshold
20 500 97 SENSE TIED TO OUT SENSE TIED TO OUT 18 96 CURRENT FLOWS INTO THE PIN 450 CURRENT FLOWS INTO THE PIN (%) 95 16 400 VOUT RISING 94 14 VOUT = 0.65V 350 VOUT = 2.5V 93 12 OUT(NOMINAL) 300 92 10 91 250 8 90 200 89 6 VOUT = 1.8V SENSE PIN CURRENT (µA) SENSE PIN CURRENT (µA) 88 4 150 VOUT FALLING V 87 2 OUT = 1.15V 100 V 86 OUT = 0.6V AND 1.2V PWRGD THRESHOLD OF V 0 50 85 –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 G25 3072 G26 3072 G27 Rev. 0 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 Typical Application Related Parts