Datasheet LT3932, LT3932-1 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | 36V, 2A Synchronous Step-Down LED Driver |
| 页数 / 页 | 30 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS VIN = 12V, unless otherwise noted. … |
| 修订版 | B |
| 文件格式/大小 | PDF / 4.7 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS VIN = 12V, unless otherwise noted. EN/UVLO Threshold (Falling). EN/UVLO Pin Current
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LT3932/LT3932-1
TYPICAL PERFORMANCE CHARACTERISTICS VIN = 12V, unless otherwise noted. EN/UVLO Threshold (Falling) EN/UVLO Pin Current VIN UVLO Threshold (Rising)
1.4 5.5 3.6 1.3 5.1 3.4 μA) 1.2 TAGE (V) 4.7 3.2 TAGE (V) 1.1 4.3 VOL 3.0 V IN EN/UVLO VOL EN/UVLO CURRENT ( 1.0 3.9 2.8 0.9 3.5 2.6 –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) 3932 G01 3932 G02 3932 G03
VIN Shutdown Current VIN Quiescent Current INTVCC Voltage
10k 5.0 3.5 4.5 1k 3.4 4.0 3.5 3.3 100 3.0 3.2 TAGE (V) 10 2.5 VOL 3.1 CURRENT (nA) 2.0 CURRENT (mA) V CC 1 V IN V IN 1.5 INT 3.0 1.0 0.1 2.9 0.5 VEN/UVLO = 0.3V VEN/UVLO = 1V 0.01 0 2.8 –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) 3932 G04 3932 G05 3932 G06
INTVCC Load Regulation VREF Voltage VREF Load Regulation
3.40 2.03 2.03 3.38 2.02 2.02 3.36 2.01 2.01 TAGE (V) 3.34 TAGE (V) 2.00 TAGE (V) 2.00 VOL VOL VOL TV CC 3.32 V REF 1.99 V REF 1.99 IN 3.30 1.98 1.98 3.28 1.97 1.97 0 3 6 9 12 15 –50 –25 0 25 50 75 100 125 150 0 0.4 0.8 1.2 1.6 2 INTVCC CURRENT (mA) TEMPERATURE (°C) VREF CURRENT (mA) 3932 G07 3932 G08 3932 G09 Rev B For more information www.analog.com 5 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Typical Performance Characteristics Pin Functions Block Diagram Operation Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS VIN = 12V, unless otherwise noted. EN/UVLO Threshold (Falling) EN/UVLO Pin Current VIN UVLO Threshold (Rising)
1.4 5.5 3.6 1.3 5.1 3.4 μA) 1.2 TAGE (V) 4.7 3.2 TAGE (V) 1.1 4.3 VOL 3.0 V IN EN/UVLO VOL EN/UVLO CURRENT ( 1.0 3.9 2.8 0.9 3.5 2.6 –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) 3932 G01 3932 G02 3932 G03
VIN Shutdown Current VIN Quiescent Current INTVCC Voltage
10k 5.0 3.5 4.5 1k 3.4 4.0 3.5 3.3 100 3.0 3.2 TAGE (V) 10 2.5 VOL 3.1 CURRENT (nA) 2.0 CURRENT (mA) V CC 1 V IN V IN 1.5 INT 3.0 1.0 0.1 2.9 0.5 VEN/UVLO = 0.3V VEN/UVLO = 1V 0.01 0 2.8 –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) 3932 G04 3932 G05 3932 G06
INTVCC Load Regulation VREF Voltage VREF Load Regulation
3.40 2.03 2.03 3.38 2.02 2.02 3.36 2.01 2.01 TAGE (V) 3.34 TAGE (V) 2.00 TAGE (V) 2.00 VOL VOL VOL TV CC 3.32 V REF 1.99 V REF 1.99 IN 3.30 1.98 1.98 3.28 1.97 1.97 0 3 6 9 12 15 –50 –25 0 25 50 75 100 125 150 0 0.4 0.8 1.2 1.6 2 INTVCC CURRENT (mA) TEMPERATURE (°C) VREF CURRENT (mA) 3932 G07 3932 G08 3932 G09 Rev B For more information www.analog.com 5 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Typical Performance Characteristics Pin Functions Block Diagram Operation Typical Applications Package Description Revision History Typical Application Related Parts