Datasheet LT3724 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | High Voltage, Current Mode Switching Regulator Controller |
| 页数 / 页 | 26 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS. VCC UVLO Threshold (Rising). Error … |
| 文件格式/大小 | PDF / 322 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. VCC UVLO Threshold (Rising). Error Amp Transconductance. vs Temperature
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LT3724
TYPICAL PERFORMANCE CHARACTERISTICS VCC UVLO Threshold (Rising) Error Amp Transconductance vs Temperature ICC vs VCC (SHDN = 0V) vs Temperature
6.5 25 350 TA = 25°C 345 6.4 20 340 6.3 15 (µA) 335 6.2 I CC 10 330 UVLO THRESHOLD, RISING (V) 6.1 5 V CC 325 ERROR AMP TRANSCONDUCTANCE (µMhos) 6.0 0 320 –50 –25 0 25 50 75 100 125 0 2 4 6 8 10 12 14 16 18 20 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) V TEMPERATURE (°C) CC (V) 3724 G07 3724 G09 3724 G08
I + – (SENSE + SENSE ) vs Operating Frequency Error Amp Reference VSENSE (CM) vs Temperature vs Temperature
400 230 1.234 TA = 25°C 300 220 1.233 1.232 (µA) 200 210 – ) 1.231 100 200 + + SENSE 1.230 0 190 I (SENSE 1.229 ERROR AMP REFERENCE (V) –100 OPERATING FREQUENCY (kHz) 180 1.228 –200 170 1.227 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 VSENSE (CM) (V) TEMPERATURE (°C) TEMPERATURE (°C) 3724 G10 3724 G11 3724 G12
Maximum Current Sense VIN UVLO Threshold (Rising) V IN UVLO Threshold (Falling) Threshold vs Temperature vs Temperature vs Temperature
160 4.54 3.86 158 4.52 156 3.84 154 4.50 152 4.48 3.82 150 4.46 148 3.80 146 4.44 144 UVLO THRESHOLD, RISING (V) UVLO THRESHOLD, FALLING (V) 3.78 CURRENT SENSE THRESHOLD (mV) V IN 4.42 142 V IN 140 4.40 3.76 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3724 G13 3724 G14 3724 G15 3724fd 5
TYPICAL PERFORMANCE CHARACTERISTICS VCC UVLO Threshold (Rising) Error Amp Transconductance vs Temperature ICC vs VCC (SHDN = 0V) vs Temperature
6.5 25 350 TA = 25°C 345 6.4 20 340 6.3 15 (µA) 335 6.2 I CC 10 330 UVLO THRESHOLD, RISING (V) 6.1 5 V CC 325 ERROR AMP TRANSCONDUCTANCE (µMhos) 6.0 0 320 –50 –25 0 25 50 75 100 125 0 2 4 6 8 10 12 14 16 18 20 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) V TEMPERATURE (°C) CC (V) 3724 G07 3724 G09 3724 G08
I + – (SENSE + SENSE ) vs Operating Frequency Error Amp Reference VSENSE (CM) vs Temperature vs Temperature
400 230 1.234 TA = 25°C 300 220 1.233 1.232 (µA) 200 210 – ) 1.231 100 200 + + SENSE 1.230 0 190 I (SENSE 1.229 ERROR AMP REFERENCE (V) –100 OPERATING FREQUENCY (kHz) 180 1.228 –200 170 1.227 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 VSENSE (CM) (V) TEMPERATURE (°C) TEMPERATURE (°C) 3724 G10 3724 G11 3724 G12
Maximum Current Sense VIN UVLO Threshold (Rising) V IN UVLO Threshold (Falling) Threshold vs Temperature vs Temperature vs Temperature
160 4.54 3.86 158 4.52 156 3.84 154 4.50 152 4.48 3.82 150 4.46 148 3.80 146 4.44 144 UVLO THRESHOLD, RISING (V) UVLO THRESHOLD, FALLING (V) 3.78 CURRENT SENSE THRESHOLD (mV) V IN 4.42 142 V IN 140 4.40 3.76 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3724 G13 3724 G14 3724 G15 3724fd 5