Datasheet LTC3425 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | 5A, 8MHz, 4-Phase Synchronous Step-Up DC/DC Converter |
| 页数 / 页 | 24 / 7 — TYPICAL PERFOR A CE CHARACTERISTICS. Peak Current Limit. Oscillator … |
| 文件格式/大小 | PDF / 284 Kb |
| 文件语言 | 英语 |
TYPICAL PERFOR A CE CHARACTERISTICS. Peak Current Limit. Oscillator Frequency. Feedback Voltage vs Temperature. vs Temperature
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LTC3425
W U TYPICAL PERFOR A CE CHARACTERISTICS Peak Current Limit Oscillator Frequency Feedback Voltage vs Temperature vs Temperature vs Temperature
1.230 3 2.0 1.5 1.225 2 1.0 1.220 1 0.5 (V) 1.215 0 0 FBV (NORMALIZED) (%) –0.5 1.210 LIM –1 –1.0 PEAK I 1.205 –2 OSCILLATOR (NORMALIZED) (%) –1.5 1.200 –3 –2.0 –45 –25 –5 15 35 55 75 95 115 –45 –25 –5 15 35 55 75 95 115 –45 –25 –5 15 35 55 75 95 115 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3425 G29 3425 G30 3425 G31
Burst Mode V Error Amplifier g OUT Quiescent m Current vs Temperature vs Temperature
20 55 µA) 15 50 µS) ( g m 10 45 QUIESCENT CURRENT ( 5 40 –45 –25 –5 15 35 55 75 95 115 –45 –25 –5 15 35 55 75 95 115 TEMPERATURE (°C) TEMPERATURE (°C) 3425 G32 3425 G33 3425f 7
W U TYPICAL PERFOR A CE CHARACTERISTICS Peak Current Limit Oscillator Frequency Feedback Voltage vs Temperature vs Temperature vs Temperature
1.230 3 2.0 1.5 1.225 2 1.0 1.220 1 0.5 (V) 1.215 0 0 FBV (NORMALIZED) (%) –0.5 1.210 LIM –1 –1.0 PEAK I 1.205 –2 OSCILLATOR (NORMALIZED) (%) –1.5 1.200 –3 –2.0 –45 –25 –5 15 35 55 75 95 115 –45 –25 –5 15 35 55 75 95 115 –45 –25 –5 15 35 55 75 95 115 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3425 G29 3425 G30 3425 G31
Burst Mode V Error Amplifier g OUT Quiescent m Current vs Temperature vs Temperature
20 55 µA) 15 50 µS) ( g m 10 45 QUIESCENT CURRENT ( 5 40 –45 –25 –5 15 35 55 75 95 115 –45 –25 –5 15 35 55 75 95 115 TEMPERATURE (°C) TEMPERATURE (°C) 3425 G32 3425 G33 3425f 7