Datasheet LT3070-1 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | 5A, Low Noise, Programmable Output, 85mV Dropout Linear Regulator |
| 页数 / 页 | 28 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. Output Voltage (1.8V). REF/BYP Pin … |
| 文件格式/大小 | PDF / 978 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Output Voltage (1.8V). REF/BYP Pin Voltage. vs Temperature. GND Pin Current vs IOUT
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LT3070-1
TYPICAL PERFORMANCE CHARACTERISTICS Output Voltage (1.8V) REF/BYP Pin Voltage vs Temperature GND Pin Current vs IOUT vs Temperature
1.818 3.0 606 ILOAD = 10mA VIN = VOUT + 300mV CREF/BYP = 0.01µF 1.814 TJ = 25°C 2.5 604 1.810 1.806 2.0 602 TAGE (V) 1.802 1.5 600 1.798 1.794 1.0 598 OUTPUT VOL REF/BYP VOLTAGE (mV) 1.790 GND PIN CURRENT (mA) 0.5 VOUT = 1.8V, VBIAS = 3.3V 596 1.786 VOUT = 1.2V, VBIAS = 3.3V VOUT = 0.8V, VBIAS = 2.5V 1.782 0 594 –75 –50 –25 0 25 50 75 100 125 150 175 0 1 2 3 4 5 –75 –50 –25 0 25 50 75 100 125 150 175 TEMPERATURE (°C) OUTPUT CURRENT (A) TEMPERATURE (°C) 30701 G10 30701 G12 30701 G11
BIAS Pin Undervoltage Lockout BIAS Pin Current in Nap Mode BIAS Pin Current vs IOUT Threshold
400 10 2.5 VBIAS = 2.5V VIN = VOUT + 300mV 350 VEN = 0V 9 TJ = 25°C 8 2.0 300 7 VBIAS RISING 250 VOUT = 1.8V 6 V 1.5 BIAS = 3.3V 200 5 VOUT = 0.8V VBIAS = 2.5V VBIAS FALLING 150 4 1.0 3 BIAS PIN CURRENT (µA) 100 BIAS PIN CURRENT (mA) 2 UVLO THRESHOLD VOLTAGE (V) 0.5 50 1 0 0 0 –75 –50 –25 0 25 50 75 100 125 150 175 0 1 2 3 4 5 –75 –50 –25 0 25 50 75 100 125 150 175 TEMPERATURE (°C) OUTPUT CURRENT (A) TEMPERATURE (°C) 30701 G13 30701 G14 30701 G15
Enable Pin Threshold and EN Pin Thresholds Hysteresis vs VBIAS PWRGD Threshold Voltage
2.0 4.0 1.00 VBIAS = 2.5V TJ = –55°C TO 125°C V 1.8 BIAS = 2.5V 3.5 TYPICAL HYSTERESIS = 150mV VOUT = 1V 1.6 VBIAS 3.0 0.95 1.4 TAGE (V) EN PIN RISING 1.2 2.5 VOUT RISING MAX ENABLE 1.0 2.0 0.90 EN PIN FALLING TYP ENABLE 0.8 1.5 0.6 VOUT FALLING 1.0 MIN DISABLE 0.85 ENABLE PIN THRESHOLD (V) 0.4 TYP DISABLE ENABLE/DISABLE THRESHOLD (V) PWRGD TRESHOLD VOL 0.2 0.5 0 0 0.80 –75 –50 –25 0 25 50 75 100 125 150 175 2 2.5 3 3.5 4 –75 –50 –25 0 25 50 75 100 125 150 175 TEMPERATURE (°C) BIAS VOLTAGE (V) TEMPERATURE (°C) 30701 G16 30701 G17 30701 G18 Rev 0 For more information www.analog.com 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Package Description Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS Output Voltage (1.8V) REF/BYP Pin Voltage vs Temperature GND Pin Current vs IOUT vs Temperature
1.818 3.0 606 ILOAD = 10mA VIN = VOUT + 300mV CREF/BYP = 0.01µF 1.814 TJ = 25°C 2.5 604 1.810 1.806 2.0 602 TAGE (V) 1.802 1.5 600 1.798 1.794 1.0 598 OUTPUT VOL REF/BYP VOLTAGE (mV) 1.790 GND PIN CURRENT (mA) 0.5 VOUT = 1.8V, VBIAS = 3.3V 596 1.786 VOUT = 1.2V, VBIAS = 3.3V VOUT = 0.8V, VBIAS = 2.5V 1.782 0 594 –75 –50 –25 0 25 50 75 100 125 150 175 0 1 2 3 4 5 –75 –50 –25 0 25 50 75 100 125 150 175 TEMPERATURE (°C) OUTPUT CURRENT (A) TEMPERATURE (°C) 30701 G10 30701 G12 30701 G11
BIAS Pin Undervoltage Lockout BIAS Pin Current in Nap Mode BIAS Pin Current vs IOUT Threshold
400 10 2.5 VBIAS = 2.5V VIN = VOUT + 300mV 350 VEN = 0V 9 TJ = 25°C 8 2.0 300 7 VBIAS RISING 250 VOUT = 1.8V 6 V 1.5 BIAS = 3.3V 200 5 VOUT = 0.8V VBIAS = 2.5V VBIAS FALLING 150 4 1.0 3 BIAS PIN CURRENT (µA) 100 BIAS PIN CURRENT (mA) 2 UVLO THRESHOLD VOLTAGE (V) 0.5 50 1 0 0 0 –75 –50 –25 0 25 50 75 100 125 150 175 0 1 2 3 4 5 –75 –50 –25 0 25 50 75 100 125 150 175 TEMPERATURE (°C) OUTPUT CURRENT (A) TEMPERATURE (°C) 30701 G13 30701 G14 30701 G15
Enable Pin Threshold and EN Pin Thresholds Hysteresis vs VBIAS PWRGD Threshold Voltage
2.0 4.0 1.00 VBIAS = 2.5V TJ = –55°C TO 125°C V 1.8 BIAS = 2.5V 3.5 TYPICAL HYSTERESIS = 150mV VOUT = 1V 1.6 VBIAS 3.0 0.95 1.4 TAGE (V) EN PIN RISING 1.2 2.5 VOUT RISING MAX ENABLE 1.0 2.0 0.90 EN PIN FALLING TYP ENABLE 0.8 1.5 0.6 VOUT FALLING 1.0 MIN DISABLE 0.85 ENABLE PIN THRESHOLD (V) 0.4 TYP DISABLE ENABLE/DISABLE THRESHOLD (V) PWRGD TRESHOLD VOL 0.2 0.5 0 0 0.80 –75 –50 –25 0 25 50 75 100 125 150 175 2 2.5 3 3.5 4 –75 –50 –25 0 25 50 75 100 125 150 175 TEMPERATURE (°C) BIAS VOLTAGE (V) TEMPERATURE (°C) 30701 G16 30701 G17 30701 G18 Rev 0 For more information www.analog.com 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Package Description Typical Application Related Parts