Datasheet

V
OUT
SS
RES
RT
COMP
FB
RAMP
PGND
CSG
CS
LO
SW
HO
HB
VCC
VIN
AGND
UVLO
VCCDIS
DEMB
CM
V
IN
V
OUT
SW
LM25117
C
IN
Q
H
Q
L
Current Control (CC)
C
HB
D
HB
C
VCC
V
CC
Voltage Control (CV)
LMV431
CV Mode : 5V
CC Mode: 2A
100 k:
15 k:
80 PF
68 PH
1500 pF
100 k:
22.1 k:
0.33 PF x2
3.24 k:
619:
34.8 k:
0.1 PF
47 m:
1 nF
100 k:
10 k:
100:
PNP
200 k:
LM25117
LM25117-Q1
www.ti.com SNVS714E –APRIL 2011–REVISED MARCH 2013
Figure 37. Constant Voltage Regulator with Accurate Current Limit
Figure 38. Current Limit Comparison
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