Datasheet

LM2677
www.ti.com SNVS077I –MAY 2004–REVISED JUNE 2012
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
Copyright © 2004–2012, Texas Instruments Incorporated Submit Documentation Feedback 7
Product Folder Links: LM2677