Datasheet LT3952A (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | 60V LED Driver with 4A Switch Current |
| 页数 / 页 | 30 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. EN/UVLO Thresholds vs. EN/UVLO … |
| 修订版 | A |
| 文件格式/大小 | PDF / 2.3 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. EN/UVLO Thresholds vs. EN/UVLO Hysteresis Current. Shutdown Current vs Temperature
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LT3952A
TYPICAL PERFORMANCE CHARACTERISTICS EN/UVLO Thresholds vs EN/UVLO Hysteresis Current Shutdown Current vs Temperature Temperature vs Temperature
60 1.40 2.25 VEN = 1.15V VEN = 1.25V 50 1.35 EN/UVLO RISING 2.00 40 1.30 30 1.25 EN/UVLO FALLING 1.75 CURRENT (µA) 20 THRESHOLD (V) 1.20 SUPPLY CURRENT (µA) 1.50 10 1.15 0 1.10 1.25 –50 0 50 100 150 –50 0 50 100 150 –50 0 50 100 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3952A G01 3952A G02 3952A G03
EN/UVLO Bias Current above Quiescent Current Threshold vs Input Voltage INTVCC Voltage vs Temperature
1.00 2 3.05 0.80 1.75 0.60 1.5 0.40 3.00 0.20 1.25 (V) 0.00 1 CC –0.20 0.75 INTV 2.95 –0.40 EN/UVLO CURRENT (µA) 0.5 –0.60 QUIESCENT CURRENT (mA) –0.80 0.25 –1.00 0 2.90 2 12 22 32 42 0 10 20 30 40 –50 0 50 100 150 EN/UVLO VOLTAGE (V) VIN (V) TEMPERATURE (°C) 3952A G04 3952A G05 3952A G06
INTVCC Dropout vs Load and INTVCC vs Input Voltage INTVCC vs Input Voltage, Dropout Temperature
3.50 3.50 0.5 VIN = 2.9V 3.25 3.25 0.4 3.00 3.00 (V) 0.3 (V) CC 2.75 CC 2.75 INTV DROPOUT (V) INTV CC 0.2 2.50 2.50 INTV 2.25 2.25 0.1 150°C INTVCC (V) 25°C VIN (V) –50°C 2.00 2.00 0 0 10 20 30 40 1.5 2 2.5 3 3.5 4 0 3 6 9 12 15 VIN (V) VIN (V) LOAD (mA) 3952A G07 3952A G08 3952A G09 Rev A 6 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 Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS EN/UVLO Thresholds vs EN/UVLO Hysteresis Current Shutdown Current vs Temperature Temperature vs Temperature
60 1.40 2.25 VEN = 1.15V VEN = 1.25V 50 1.35 EN/UVLO RISING 2.00 40 1.30 30 1.25 EN/UVLO FALLING 1.75 CURRENT (µA) 20 THRESHOLD (V) 1.20 SUPPLY CURRENT (µA) 1.50 10 1.15 0 1.10 1.25 –50 0 50 100 150 –50 0 50 100 150 –50 0 50 100 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3952A G01 3952A G02 3952A G03
EN/UVLO Bias Current above Quiescent Current Threshold vs Input Voltage INTVCC Voltage vs Temperature
1.00 2 3.05 0.80 1.75 0.60 1.5 0.40 3.00 0.20 1.25 (V) 0.00 1 CC –0.20 0.75 INTV 2.95 –0.40 EN/UVLO CURRENT (µA) 0.5 –0.60 QUIESCENT CURRENT (mA) –0.80 0.25 –1.00 0 2.90 2 12 22 32 42 0 10 20 30 40 –50 0 50 100 150 EN/UVLO VOLTAGE (V) VIN (V) TEMPERATURE (°C) 3952A G04 3952A G05 3952A G06
INTVCC Dropout vs Load and INTVCC vs Input Voltage INTVCC vs Input Voltage, Dropout Temperature
3.50 3.50 0.5 VIN = 2.9V 3.25 3.25 0.4 3.00 3.00 (V) 0.3 (V) CC 2.75 CC 2.75 INTV DROPOUT (V) INTV CC 0.2 2.50 2.50 INTV 2.25 2.25 0.1 150°C INTVCC (V) 25°C VIN (V) –50°C 2.00 2.00 0 0 10 20 30 40 1.5 2 2.5 3 3.5 4 0 3 6 9 12 15 VIN (V) VIN (V) LOAD (mA) 3952A G07 3952A G08 3952A G09 Rev A 6 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 Package Description Revision History Typical Application Related Parts