Datasheet LT8303 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | 100VIN Micropower Isolated Flyback Converter with 150V/450mA Switch |
| 页数 / 页 | 24 / 5 — 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. EN/UVLO Enable Threshold. EN/UVLO Hysteresis Current
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LT8303
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. EN/UVLO Enable Threshold EN/UVLO Hysteresis Current RFB Regulation Current
1.28 5 105 1.27 104 4 103 1.26 102 1.25 (V) RISING 3 101 1.24 (µA) (µA) 100 I RFB V EN/UVLO 1.23 I HYST 2 99 FALLING 98 1.22 1 97 1.21 96 1.20 0 95 –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) 8303 G10 8303 G11 8303 G12
RDS(ON) Switch Current Limit Maximum Switching Frequency
10 700 500 1SW = 100mA 600 8 MAXIMUM CURRENT LIMIT 400 500 6 400 300 ANCE (Ω) (mA) 4 I SW 300 200 RESIST FREQUENCY (kHz) 200 2 MINIMUM CURRENT LIMIT 100 100 0 0 0 –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) 8303 G13 8303 G14 8303 G15
Minimum Switching Frequency Minimum Switch-On Time Minimum Switch-Off Time
20 400 400 16 300 300 12 200 200 8 TIME (ns) TIME (ns) FREQUENCY (kHz) 100 100 4 0 0 0 –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) 8303 G16 8303 G17 8303 G18 8303fa For more information www.linear.com/LT8303 5 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 Typical Application Related Parts
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. EN/UVLO Enable Threshold EN/UVLO Hysteresis Current RFB Regulation Current
1.28 5 105 1.27 104 4 103 1.26 102 1.25 (V) RISING 3 101 1.24 (µA) (µA) 100 I RFB V EN/UVLO 1.23 I HYST 2 99 FALLING 98 1.22 1 97 1.21 96 1.20 0 95 –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) 8303 G10 8303 G11 8303 G12
RDS(ON) Switch Current Limit Maximum Switching Frequency
10 700 500 1SW = 100mA 600 8 MAXIMUM CURRENT LIMIT 400 500 6 400 300 ANCE (Ω) (mA) 4 I SW 300 200 RESIST FREQUENCY (kHz) 200 2 MINIMUM CURRENT LIMIT 100 100 0 0 0 –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) 8303 G13 8303 G14 8303 G15
Minimum Switching Frequency Minimum Switch-On Time Minimum Switch-Off Time
20 400 400 16 300 300 12 200 200 8 TIME (ns) TIME (ns) FREQUENCY (kHz) 100 100 4 0 0 0 –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) 8303 G16 8303 G17 8303 G18 8303fa For more information www.linear.com/LT8303 5 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 Typical Application Related Parts