Datasheet LT8390 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | 60V Synchronous 4-Switch Buck-Boost Controller with Spread Spectrum |
| 页数 / 页 | 32 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| 文件格式/大小 | PDF / 1.2 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. INTVCC Voltage vs Temperature. INTVCC Voltage vs VIN
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LT8390
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. INTVCC Voltage vs Temperature INTVCC Voltage vs VIN INTVCC UVLO Threshold
5.15 5.15 4.0 3.9 5.10 5.10 3.8 RISING 5.05 5.05 I 3.7 INTVCC = 20mA (V ) IINTVCC = 0mA (V) (V) VCC 5.00 VCC 5.00 VCC 3.6 FALLING V INT IINTVCC = 80mA V INT V INT 3.5 4.95 4.95 3.4 4.90 4.90 3.3 4.85 4.85 3.2 –50 –25 0 25 50 75 100 125 150 0 10 20 30 40 50 60 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) VIN (V) TEMPERATURE (°C) 8390 G10 8390 G11 8390 G12
VREF Voltage vs Temperature VREF Voltage vs VIN VREF UVLO Threshold
2.04 2.04 2.00 2.03 2.03 1.95 2.02 2.02 1.90 RISING 2.01 2.01 I I VREF = 0mA VREF = 100µA (V) (V) (V) FALLING 2.00 2.00 1.85 V REF V REF V REF 1.99 1.99 I 1.80 VREF = 1mA 1.98 1.98 1.75 1.97 1.97 1.96 1.96 1.70 –50 –25 0 25 50 75 100 125 150 0 10 20 30 40 50 60 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) VIN (V) TEMPERATURE (°C) 8390 G13 8390 G14 8390 G15
EN/UVLO Enable Threshold EN/UVLO Hysteresis Current CTRL Latch-Off Threshold
1.240 3.0 0.40 1.235 2.8 1.230 0.35 RISING RISING 1.225 (V) 2.6 (V) 1.220 (µA) 0.30 I HYS FALLING V CTRL V EN/UVLO FALLING 1.215 2.4 1.210 0.25 2.2 1.205 1.200 2.0 0.20 –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) 8390 G18 8390 G16 8390 G17 8390fa For more information www.linear.com/LT8390 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. INTVCC Voltage vs Temperature INTVCC Voltage vs VIN INTVCC UVLO Threshold
5.15 5.15 4.0 3.9 5.10 5.10 3.8 RISING 5.05 5.05 I 3.7 INTVCC = 20mA (V ) IINTVCC = 0mA (V) (V) VCC 5.00 VCC 5.00 VCC 3.6 FALLING V INT IINTVCC = 80mA V INT V INT 3.5 4.95 4.95 3.4 4.90 4.90 3.3 4.85 4.85 3.2 –50 –25 0 25 50 75 100 125 150 0 10 20 30 40 50 60 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) VIN (V) TEMPERATURE (°C) 8390 G10 8390 G11 8390 G12
VREF Voltage vs Temperature VREF Voltage vs VIN VREF UVLO Threshold
2.04 2.04 2.00 2.03 2.03 1.95 2.02 2.02 1.90 RISING 2.01 2.01 I I VREF = 0mA VREF = 100µA (V) (V) (V) FALLING 2.00 2.00 1.85 V REF V REF V REF 1.99 1.99 I 1.80 VREF = 1mA 1.98 1.98 1.75 1.97 1.97 1.96 1.96 1.70 –50 –25 0 25 50 75 100 125 150 0 10 20 30 40 50 60 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) VIN (V) TEMPERATURE (°C) 8390 G13 8390 G14 8390 G15
EN/UVLO Enable Threshold EN/UVLO Hysteresis Current CTRL Latch-Off Threshold
1.240 3.0 0.40 1.235 2.8 1.230 0.35 RISING RISING 1.225 (V) 2.6 (V) 1.220 (µA) 0.30 I HYS FALLING V CTRL V EN/UVLO FALLING 1.215 2.4 1.210 0.25 2.2 1.205 1.200 2.0 0.20 –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) 8390 G18 8390 G16 8390 G17 8390fa For more information www.linear.com/LT8390 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts