ltc3711 Linear Technology Corporation, ltc3711 Datasheet - Page 22

• Manufacturer Part Number: ltc3711
• Description: 5-bit Adjustable, Wide Operating Range, No Rsense? Step-down Controller
• Manufacturer: Linear Technology Corporation

APPLICATIO S I FOR ATIO
LTC3711
22
100mV/DIV
10A/DIV
V
OUT
I
L
C
V
FIGURE 7 CIRCUIT
OUT
IN
Figure 11. Normal Transient Response
= 15V
BOLD LINES INDICATE HIGH CURRENT PATHS
= 5 270 F
C
C
SS
C1
U
R
C
R
ON
20 s/DIV
U
C
FB
C
C2
10
11
12
1
2
3
4
5
6
7
8
9
W
VID2
RUN/SS
V
PGOOD
V
FCB
I
SGND
I
V
V
VID3
TH
ON
ON
RNG
FB
OSENSE
1.5V
LTC3711
SENSE
3711 F09
EXTV
INTV
BOOST
Figure 13. LTC3711 Layout Diagram
PGND
VID1
VID0
VID4
SW
V
BG
TG
CC
CC
IN
+
U
24
23
22
21
20
19
18
17
16
15
14
13
C
VCC
C
D
B
B
C
F
Figure 12. Transient Response with Active Voltage Positioning
100mV/DIV
R
F
10A/DIV
V
1.5V
OUT
I
L
C
V
FIGURE 8 CIRCUIT
M2
OUT
IN
C
= 15V
OUT
= 3 270 F
D1
M1
L
C
IN
20 s/DIV
3711 F13
+
–
–
+
V
V
IN
OUT
3711 F10
3711f