Datasheet LT3684 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | 36V, 2A, 2.8MHz Step-Down Switching Regulator |
| 页数 / 页 | 24 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS (TA = 25°C unless otherwise noted). … |
| 文件格式/大小 | PDF / 426 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS (TA = 25°C unless otherwise noted). Minimum Input Voltage. VC Voltages
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LT3684
TYPICAL PERFORMANCE CHARACTERISTICS (TA = 25°C unless otherwise noted) Minimum Input Voltage VC Voltages Power Good Threshold
6.5 2.50 1.200 PG RISING 6.0 2.00 1.180 CURRENT LIMIT CLAMP 1.160 5.5 1.50 5.0 1.00 1.140 INPUT VOLTAGE (V) SWITCHING THRESHOLD V THRESHOLD VOLTAGE (V) THRESHOLD VOLTAGE (V) 4.5 OUT = 5V T 0.50 1.120 A = 25°C L = 4.7µH f = 800kHz 4.0 0 1.100 0.001 0.01 0.1 1 10 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 LOAD CURRENT (A) TEMPERATURE (°C) TEMPERATURE (°C) 3684 G19 3684 G20 3684 G21
Switching Waveforms Switching Waveforms (Discontinuous Operation) (Continuous Operation)
IL IL 0.5A/DIV 0.5A/DIV VSW VRUN/SS 5V/DIV 5V/DIV VOUT V 10mV/DIV OUT 10mV/DIV VIN = 12V, FRONT PAGE APPLICATION V I IN = 12V, FRONT PAGE APPLICATION LOAD = 140mA ILOAD = 1A 3684 G22 1µs/DIV 3684 G23 1µs/DIV 3684fa 6 For more information www.linear.com/LT3684
TYPICAL PERFORMANCE CHARACTERISTICS (TA = 25°C unless otherwise noted) Minimum Input Voltage VC Voltages Power Good Threshold
6.5 2.50 1.200 PG RISING 6.0 2.00 1.180 CURRENT LIMIT CLAMP 1.160 5.5 1.50 5.0 1.00 1.140 INPUT VOLTAGE (V) SWITCHING THRESHOLD V THRESHOLD VOLTAGE (V) THRESHOLD VOLTAGE (V) 4.5 OUT = 5V T 0.50 1.120 A = 25°C L = 4.7µH f = 800kHz 4.0 0 1.100 0.001 0.01 0.1 1 10 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 LOAD CURRENT (A) TEMPERATURE (°C) TEMPERATURE (°C) 3684 G19 3684 G20 3684 G21
Switching Waveforms Switching Waveforms (Discontinuous Operation) (Continuous Operation)
IL IL 0.5A/DIV 0.5A/DIV VSW VRUN/SS 5V/DIV 5V/DIV VOUT V 10mV/DIV OUT 10mV/DIV VIN = 12V, FRONT PAGE APPLICATION V I IN = 12V, FRONT PAGE APPLICATION LOAD = 140mA ILOAD = 1A 3684 G22 1µs/DIV 3684 G23 1µs/DIV 3684fa 6 For more information www.linear.com/LT3684