Linear Technology DC1768A, Демонстрационное руководство

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dc1768af
DEMO MANUAL DC1768A
Figure 3. Switch Node Voltage, Output Ripple Voltage & Inductor Ripple Current Waveforms
V
IN
= 12V, V
OUT
= 3.3V, I
OUT
= 2.5A, f
SW
= 1MHz Trace 1: Switch Voltage (10V/DIV)
Trace 2: Output Ripple Voltage (20mV/DIV AC) Trace 4: Inductor Ripple Current (2A/DIV)
Figure 4. Load Step Response V
IN
= 12V. V
OUT
= 1.2V, 2.5A Load Step (0A-2.5A)
Forced Continuous Mode, f
SW
= 1MHz. Trace 2: Output Voltage (20mV/DIV AC)
Trace 4: Output Current (1A/DIV)
Normal Switching Frequency and Output Ripple Voltage Waveforms
Load Step Response Waveforms
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