Datasheet LTC3727A-1 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | High Efficiency, 2-Phase Synchronous Step-Down Switching Regulators |
| 页数 / 页 | 32 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. Current Sense Pin Input Current. … |
| 文件格式/大小 | PDF / 341 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Current Sense Pin Input Current. EXTVCC Switch Resistance. vs Temperature
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LTC3727A-1
TYPICAL PERFORMANCE CHARACTERISTICS Current Sense Pin Input Current EXTVCC Switch Resistance vs Temperature vs Temperature
35 10 VOUT = 5V 33 8 31 6 29 4 SWITCH RESISTANCE (Ω) CC 27 2 EXTV CURRENT SENSE INPUT CURRENT (μA) 25 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) 3727 G22 3727 G23
Oscillator Frequency Undervoltage Lockout vs Temperature vs Temperature
700 3.50 600 VPLLFLTR = 5V 3.45 500 3.40 VPLLFLTR = 1.2V 400 3.35 300 VPLLFLTR = 0V FREQUENCY (kHz) 3.30 200 UNDERVOLTAGE LOCKOUT (V) 100 3.25 0 3.20 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) 3727 G24 3727 G25 3727a1fa 7
TYPICAL PERFORMANCE CHARACTERISTICS Current Sense Pin Input Current EXTVCC Switch Resistance vs Temperature vs Temperature
35 10 VOUT = 5V 33 8 31 6 29 4 SWITCH RESISTANCE (Ω) CC 27 2 EXTV CURRENT SENSE INPUT CURRENT (μA) 25 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) 3727 G22 3727 G23
Oscillator Frequency Undervoltage Lockout vs Temperature vs Temperature
700 3.50 600 VPLLFLTR = 5V 3.45 500 3.40 VPLLFLTR = 1.2V 400 3.35 300 VPLLFLTR = 0V FREQUENCY (kHz) 3.30 200 UNDERVOLTAGE LOCKOUT (V) 100 3.25 0 3.20 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) 3727 G24 3727 G25 3727a1fa 7