Datasheet LT3093 (Analog Devices) - 10
| 制造商 | Analog Devices |
| 描述 | –20V, 200mA, Ultralow Noise, Ultrahigh PSRR Negative Linear Regulator |
| 页数 / 页 | 32 / 10 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| 文件格式/大小 | PDF / 4.3 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Programmable Current Limit. ILIM Pin Voltage
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LT3093
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Programmable Current Limit ILIM Pin Voltage ILIM Pin Current
100 –310 300 RILIM = 37.5k V V 90 V IN = –2.3V IN = –2.3V OUT = 0V –308 270 VILIM = 0V 80 –306 240 70 –304 210 60 –302 180 50 TAGE (mV) –300 150 40 –298 120 PIN VOL PIN CURRENT (µA) 30 CURRENT LIMIT (mA) –296 90 I LIM I LIM 20 –294 60 VIN = –2.3V 10 V –292 30 IN = –8V 0 –290 0 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3093 G28 3093 G29 3093 G30
PGFB Rising Threshold PGFB Hysteresis PG Output Low Voltage
–310 0 50 VIN = –2.3V V VIN = –2.3V –308 IN = –2.3V –1 45 VPGFB = –286mV –306 –2 IPG = 100µA 40 –304 –3 35 –302 –4 30 –300 –5 (mV) 25 –298 –6 V PG 20 –296 –7 15 PGFB HYSTERESIS (mV) –294 PGFB RISING THRESHOLD (mV) –8 10 –292 –9 5 –290 –10 0 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3093 G31 3093 G32 3093 G33
ISET During Start-Up with ISET During Start-Up with Fast PG Pin Leakage Current Fast Start-Up Enabled Start-Up Enabled
200 3.0 2.50 VIN = –2.3V VIN = –2.3V VPGFB = –286mV 180 VPGFB = –314mV VPGFB = –286mV 2.25 VOUT = –1.3V V 2.5 PG = 5V VSET = –1.5V 160 2.00 140 2.0 1.75 120 1.50 (nA) 100 (mA) 1.5 (mA) 1.25 I PG I SET I SET 80 1.00 1.0 60 0.75 40 0.5 0.50 20 0.25 0 0 0 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 0 –2 –4 –6 –8 –10 –12 –14 –16 –18 –20 TEMPERATURE (°C) TEMPERATURE (°C) VIN–TO–VSET DIFFERENTIAL (V) 3093 G34 3093 G35 3093 G36 Rev. 0 10 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 Application Package Description Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Programmable Current Limit ILIM Pin Voltage ILIM Pin Current
100 –310 300 RILIM = 37.5k V V 90 V IN = –2.3V IN = –2.3V OUT = 0V –308 270 VILIM = 0V 80 –306 240 70 –304 210 60 –302 180 50 TAGE (mV) –300 150 40 –298 120 PIN VOL PIN CURRENT (µA) 30 CURRENT LIMIT (mA) –296 90 I LIM I LIM 20 –294 60 VIN = –2.3V 10 V –292 30 IN = –8V 0 –290 0 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3093 G28 3093 G29 3093 G30
PGFB Rising Threshold PGFB Hysteresis PG Output Low Voltage
–310 0 50 VIN = –2.3V V VIN = –2.3V –308 IN = –2.3V –1 45 VPGFB = –286mV –306 –2 IPG = 100µA 40 –304 –3 35 –302 –4 30 –300 –5 (mV) 25 –298 –6 V PG 20 –296 –7 15 PGFB HYSTERESIS (mV) –294 PGFB RISING THRESHOLD (mV) –8 10 –292 –9 5 –290 –10 0 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3093 G31 3093 G32 3093 G33
ISET During Start-Up with ISET During Start-Up with Fast PG Pin Leakage Current Fast Start-Up Enabled Start-Up Enabled
200 3.0 2.50 VIN = –2.3V VIN = –2.3V VPGFB = –286mV 180 VPGFB = –314mV VPGFB = –286mV 2.25 VOUT = –1.3V V 2.5 PG = 5V VSET = –1.5V 160 2.00 140 2.0 1.75 120 1.50 (nA) 100 (mA) 1.5 (mA) 1.25 I PG I SET I SET 80 1.00 1.0 60 0.75 40 0.5 0.50 20 0.25 0 0 0 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 0 –2 –4 –6 –8 –10 –12 –14 –16 –18 –20 TEMPERATURE (°C) TEMPERATURE (°C) VIN–TO–VSET DIFFERENTIAL (V) 3093 G34 3093 G35 3093 G36 Rev. 0 10 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 Application Package Description Typical Application Related Parts