Datasheet LT8390A (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | 60V 2MHz Synchronous 4-Switch Buck-Boost Controller with Spread Spectrum |
| 页数 / 页 | 30 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| 文件格式/大小 | PDF / 1.1 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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LT8390A
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) 8390a G10 8390a G11 8390a 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) 2.00 (V) 2.00 (V) 1.85 FALLING 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) 8390a G13 8390a G14 8390a 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 EN/UVLO FALLING V CTRL 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) 8390a G18 8390a G16 8390a G17 8390afa For more information www.linear.com/LT8390A 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description 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) 8390a G10 8390a G11 8390a 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) 2.00 (V) 2.00 (V) 1.85 FALLING 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) 8390a G13 8390a G14 8390a 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 EN/UVLO FALLING V CTRL 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) 8390a G18 8390a G16 8390a G17 8390afa For more information www.linear.com/LT8390A 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts