Datasheet LTC3729L-6 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | PolyPhase, Synchronous Step-Down Switching Regulator |
| 页数 / 页 | 28 / 6 — TYPICAL PERFOR A CE CHARACTERISTICS. Load Regulation. VITH vs VRUN/SS. … |
| 文件格式/大小 | PDF / 356 Kb |
| 文件语言 | 英语 |
TYPICAL PERFOR A CE CHARACTERISTICS. Load Regulation. VITH vs VRUN/SS. SENSE Pins Total Source Current
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LTC3729L-6
W U TYPICAL PERFOR A CE CHARACTERISTICS Load Regulation VITH vs VRUN/SS SENSE Pins Total Source Current
0.0 2.5 100 VIN = 15V VOSENSE = 0.7V TA = 25°C FIGURE 1 TA = 25°C TA = 25°C 2.0 –0.1 50 (%) OUT 1.5 µA) ( –0.2 (V) 0 ITHV 1.0 I SENSE NORMALIZED V –0.3 –50 0.5 –0.4 0 –100 0 10 20 30 40 50 0 1 2 3 4 5 6 0 2 4 6 LOAD CURRENT (A) VRUN/SS (V) VSENSE COMMON MODE VOLTAGE (V) 3729L-6 G13 3729L-6 G14 3729L-6 G15
Maximum Current Sense Threshold vs Temperature RUN/SS Current vs Temperature
80 1.8 1.6 78 1.4 µA) 1.2 76 (mV) 1.0 0.8 SENSEV 74 0.6 RUN/SS CURRENT ( 0.4 72 0.2 70 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) 3729L-6 G17 3729L-6 G19
Soft-Start Up (Figure 12) Load Step (Figure 12)
VITH IOUT 1V/DIV O/30A VITH 1V/DIV VOUT 2V/DIV VOUT V 200mV/DIV RUNSS 2V/DIV 100ms/DIV 1629 G20 10µs/DIV 1629 G21 sn3729l6 3729l6fs 6
W U TYPICAL PERFOR A CE CHARACTERISTICS Load Regulation VITH vs VRUN/SS SENSE Pins Total Source Current
0.0 2.5 100 VIN = 15V VOSENSE = 0.7V TA = 25°C FIGURE 1 TA = 25°C TA = 25°C 2.0 –0.1 50 (%) OUT 1.5 µA) ( –0.2 (V) 0 ITHV 1.0 I SENSE NORMALIZED V –0.3 –50 0.5 –0.4 0 –100 0 10 20 30 40 50 0 1 2 3 4 5 6 0 2 4 6 LOAD CURRENT (A) VRUN/SS (V) VSENSE COMMON MODE VOLTAGE (V) 3729L-6 G13 3729L-6 G14 3729L-6 G15
Maximum Current Sense Threshold vs Temperature RUN/SS Current vs Temperature
80 1.8 1.6 78 1.4 µA) 1.2 76 (mV) 1.0 0.8 SENSEV 74 0.6 RUN/SS CURRENT ( 0.4 72 0.2 70 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) 3729L-6 G17 3729L-6 G19
Soft-Start Up (Figure 12) Load Step (Figure 12)
VITH IOUT 1V/DIV O/30A VITH 1V/DIV VOUT 2V/DIV VOUT V 200mV/DIV RUNSS 2V/DIV 100ms/DIV 1629 G20 10µs/DIV 1629 G21 sn3729l6 3729l6fs 6