Datasheet

1 2 3 4 5 6
70
75
80
85
90
95
100
EFFICIENCY (%)
LOAD (A)
V
IN
= 70V
V
IN
= 7V
V
IN
= 48V
V
IN
= 24V
Vbias
FB
AGND
COMP
Sync
Vcc
SS
HB
HO
HS
LO
PGND
VOUT
CO
CS
RAMP
LM5115
Output
5V@6A
+12V
Rs
Input
7-70 VDC
LM5115
www.ti.com SNVS343E –MARCH 2005–REVISED MARCH 2013
See the LM5115 dc evaluation board application note (AN-1367 SNVA106) for more details on the synchronous
buck mode.
Figure 19. Simplified Typical Application Circuit (Synchronous Buck Mode)
Figure 20. Efficiency vs. Load Current and V
IN
(Synchronous Buck Mode)
Copyright © 2005–2013, Texas Instruments Incorporated Submit Documentation Feedback 15
Product Folder Links: LM5115