LTC3711 Datasheet, PDF (22/24 Pages) Linear Technology – 5-Bit Adjustable, Wide Operating Range, No RSENSE

LTC3711
APPLICATIO S I FOR ATIO
V_OUT
100mV/DIV
1.5V
I_L
10A/DIV
C_OUT = 5 × 270µF
V_IN = 15V
FIGURE 7 CIRCUIT
20µs/DIV
3711 F09
Figure 11. Normal Transient Response
V_OUT
100mV/DIV
1.5V
I_L
10A/DIV
C_OUT = 3 × 270µF
V_IN = 15V
FIGURE 8 CIRCUIT
20µs/DIV
3711 F10
Figure 12. Transient Response with Active Voltage Positioning
1
VID2
24
VID1
C_SS
2
RUN/SS
23
VID0
3
V_ON
4
PGOOD
22
BOOST
21
TG
C_{C1 RC}
5
V_RNG
20
SW
6
FCB
SENSE^{+ 19}
LTC3711
7
I_TH
18
PGND
C_{C2 8}
SGND
17
BG
9
I_ON
C_FB
10
V_FB
16
INTV_CC
15
V_IN
11
14
V_OSENSE EXTV_CC
12
13
R_ON
VID3
VID4
C_B
D_B
C_VCC
C_{F RF}
L
M1
D1
C_IN
M2
C_OUT
+
V_IN
–
–
V_OUT
+
BOLD LINES INDICATE HIGH CURRENT PATHS
3711 F13
Figure 13. LTC3711 Layout Diagram
22
3711f