LTC3611_15 Datasheet, PDF (23/26 Pages) Linear Technology – 10A, 32V Monolithic Synchronous Step-Down DC/DC Converter

LTC3611
TYPICAL ApplicationS
5V to 28V Input to 1.8V/10A All Ceramic 1MHz
PGND
INTV_CC
C_VCC
4.7µF
6.3V
SW
C_F
0.1µF
50V
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
V_IN
SGND
V_OUT
1.8V AT
10A
C5
22µF
6.3V
(OPTIONAL)
GND
V_IN
5V TO 28V
C_IN
4.7µF
50V
×2
C_OUT
100µF
×2
L1
0.68µH
V_IN
1 _PGND
2 _PGND
3 _PGND
4 _SW
5 _SW
6 _SW
7 _SW
8 _SW
9 _SW
10 _SW
11 _SW
12 _PVIN
13 _PVIN
14 _PVIN
15 _PVIN
16 _PVIN
LTC3611
SGND ⁴⁸
SGND ⁴⁷
SGND ⁴⁶
SGND ⁴⁵
EXTV_CC ⁴⁴
V_FB ⁴³
SGND ⁴²
I_ON ⁴¹
SGND ⁴⁰
FCB ³⁹
I_TH ³⁸
V_RNG ³⁷
PGOOD ³⁶
V_ON ³⁵
SGND ³⁴
33
EXTV_CC
C4
0.01µF
R1
10k
1%
C1
47pF
R_ON
102k
1%
C_ON
0.01µF
(OPTIONAL)
R5
12.7k
(OPTIONAL)
R2
20k
C2
1%
V_OUT
V_IN
C_C1
680pF
9.31k
R_PG1
100k
39.2k
INTV_CC
C_C2
100pF
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
C_B1
0.22µF
C_OUT: MURATA GRM32ER60J107ME20L
INTV_CC
C_IN: MURATA GRM32ER71H475K
L1: VISHAY IHLP2525CZERR68M01
D_B
2Ω
KEEP POWER AND SIGNAL GROUNDS SEPARATE.
CMDSH-3
CONNECT TO ONE POINT.
C_SS
0.1µF
R_SS1
510k
V_IN
(OPTIONAL)
(OPTIONAL)
C_VON
V_OUT
SGND
3611 TA04
3611fd
23