Datasheet

LM2678
SNVS029I –MARCH 2000–REVISED APRIL 2013 www.ti.com
Typical Performance Characteristics (continued)
Standby Quiescent Current ON/OFF Threshold Voltage
Figure 10. Figure 11.
ON/OFF Pin Current (Sourcing) Switching Frequency
Figure 12. Figure 13.
Continuous Mode Switching Waveforms
V
IN
= 20V, V
OUT
= 5V, I
LOAD
= 5A
Feedback Pin Bias Current L = 10 μH, C
OUT
= 400 μF, C
OUT
ESR = 13 mΩ
A. V
SW
Pin Voltage, 10 V/div.
B. Inductor Current, 2 A/div
C. Output Ripple Voltage, 20 mV/div AC-Coupled
Figure 14. Figure 15. Horizontal Time Base: 1 μs/div
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