LTC3414 Datasheet, PDF (13/16 Pages) Linear Technology – 4A, 4MHz, Monolithic Synchronous Step-Down Regulator

APPLICATIO S I FOR ATIO
LTC3414
Top
Bottom
Figure 3. LTC3414 Layout Diagram
1
PGND
R_OSC
294k ₂
RT
20
PGND
19
V_FB
R_SS
2.2M
C_SS
1000pF
X7R
3
18
SYNC/MODE I_TH
4
17
RUN/SS PGOOD
5
SGND
16
SV_IN
LTC3414
6
15
NC
NC
+
C_IN2***
330µF
7
PV_IN
8
SW
9
SW
14
PV_IN
13
SW
12
SW
10
PGND
11
PGND
C1
10pF
X7R
C_ITH
470pF
X7R
R_ITH
20k
R3
124k
R2
78.7k
R1
432k
RPG
100k
C_IN1
22µF
X5R
2X
PGOOD
V_IN
2.7V TO 5V
L1*
0.47µH
C_OUT2
22µF
X5R
V_OUT
2.5V
4A
+ _COUT1**
470µF
* VISHAY DALE IHLP-2525CZ-01
** SANYO POSCAP 4TPD470M
*** SANYO POSCAP 6TPB330M
3413 F04
Figure 4. 2.5V, 4A Regulator at 1MHz, Burst Mode Operation
3414f
13