LTC1735E View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1735E' PDF : 32 Pages View PDF
LTC1735
TYPICAL APPLICATIO S
1.8V/5A Converter from Design Example with Burst Mode Operation Disabled
VIN
4.5V TO 22V
COSC
43pF
1
16
CSS
COSC
TG
0.1µF
RC
CC
470pF
33k
CC2
220pF
2
15
RUN/SS BOOST
3
ITH
14
SW
LTC1735
4
FCB
13
VIN
47pF
5
SGND
12
INTVCC
6
VOSENSE
11
BG
CB
0.1µF
DB
CMDSH-3
+
4.7µF
1000pF
7 SENSE–
10
PGND
8 SENSE+
9
EXTVCC
OPTIONAL:
CONNECT TO 5V
M1
Si4412DY
CIN
22µF
50V
CER
L1
3.3µH
RSENSE
0.01Ω
M2
Si4410DY
MBRS140T3
R2
32.4k
1% +
R1
25.5k
1%
VOUT
1.8V
5A
COUT
150µF
6.3V
×2
PANASONIC SP
SGND
COUT: PANASONIC EEFUEOG151R
CIN: MARCON THCR70LE1H226ZT
L1: PANASONIC ETQP6F3R3HFA
RSENSE: IRC LR 2010-01-R010F
1735 TA02
CPU Core Voltage Regulator for 2-Step Applications (VIN = 5V)
100k*
COSC 39pF
CSS
0.1µF
1
COSC
16
TG
RC
CC
220pF
20k
CC2
220pF
2
15
RUN/SS BOOST
3
ITH
14
SW
LTC1735
4
FCB
13
VIN
VIN
5V
CB
0.22µF
+
M1
FDS6680A
CIN
150µF
6.3V
×2
DB
MBR0530
L1
0.78µH
RSENSE
0.004Ω
47pF
1000pF
5
SGND
12
INTVCC
6
VOSENSE
11
BG
7 SENSE–
10
PGND
+
4.7µF
1µF
8 SENSE+
9
EXTVCC
VIN
M2, M3
FDS6680A
×2
MBRD835L
*OPTIONAL TO DEFEAT OVERCURRENT LATCHOFF
100pF
R2
22.6k
1%
+
R1
25.5k
1%
COUT
180µF
4V
×3
VOUT
1.5V
12A
CO
47µF
10V
SGND
COUT: PANASONIC EEFUEOG181R
CIN: PANASONIC EEFUEOJ151R
CO: TAIYO YUDEN LMK550BJ476MM-B
L1: COILCRAFT 1705022P-781HC
RSENSE: IRC LRF 2512-01-R004-J
1735 TA03
1735fc
28
Share Link: 
