Datasheet LT3693 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | 36V, 3.5A, 2.4MHz Step-Down Switching Regulator |
| 页数 / 页 | 24 / 6 — TYPICAL PERFOR A CE CHARACTERISTICS TA = 25°C unless otherwise noted. … |
| 文件格式/大小 | PDF / 315 Kb |
| 文件语言 | 英语 |
TYPICAL PERFOR A CE CHARACTERISTICS TA = 25°C unless otherwise noted. Minimum Input Voltage. VC Voltages
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LT3693
W U TYPICAL PERFOR A CE CHARACTERISTICS TA = 25°C unless otherwise noted. Minimum Input Voltage VC Voltages Power Good Threshold
6.5 2.50 95 6.0 2.00 CURRENT LIMIT CLAMP 90 1.50 5.5 TAGE (V) 85 5.0 VOLTAGE (V) C 1.00 V SWITCHING THRESHOLD INPUT VOL V 80 OUT = 5V THRESHOLD VOLTAGE (%) 4.5 T 0.50 A = 25 oC L = 4.7MH f = 600kHz 4.0 0 75 1 10 100 1000 10000 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 LOAD CURRENT (mA) TEMPERATURE (°C) TEMPERATURE (°C) 3693 G21 3693 G22 3693 G23
Switching Waveforms; Switching Waveforms; Discontinuous Operation Continuous Operation
VSW VSW 5V/DIV 5V/DIV IL IL 0.2A/DIV 0.5A/DIV VOUT VOUT 10mV/DIV 10mV/DIV 3693 G25 VIN = 12V 1μs/DIV 3693 G26 VIN = 12V 1μs/DIV VOUT = 3.3V VOUT = 3.3V ILOAD = 110mA ILOAD = 1A 3693f 6
W U TYPICAL PERFOR A CE CHARACTERISTICS TA = 25°C unless otherwise noted. Minimum Input Voltage VC Voltages Power Good Threshold
6.5 2.50 95 6.0 2.00 CURRENT LIMIT CLAMP 90 1.50 5.5 TAGE (V) 85 5.0 VOLTAGE (V) C 1.00 V SWITCHING THRESHOLD INPUT VOL V 80 OUT = 5V THRESHOLD VOLTAGE (%) 4.5 T 0.50 A = 25 oC L = 4.7MH f = 600kHz 4.0 0 75 1 10 100 1000 10000 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 LOAD CURRENT (mA) TEMPERATURE (°C) TEMPERATURE (°C) 3693 G21 3693 G22 3693 G23
Switching Waveforms; Switching Waveforms; Discontinuous Operation Continuous Operation
VSW VSW 5V/DIV 5V/DIV IL IL 0.2A/DIV 0.5A/DIV VOUT VOUT 10mV/DIV 10mV/DIV 3693 G25 VIN = 12V 1μs/DIV 3693 G26 VIN = 12V 1μs/DIV VOUT = 3.3V VOUT = 3.3V ILOAD = 110mA ILOAD = 1A 3693f 6