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LTC1735C-1 View Datasheet(PDF) - Linear Technology

Part Name
Description
MFG CO.
'LTC1735C-1' PDF : 28 Pages View PDF
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LTC1735-1
TYPICAL APPLICATIONS
1.8V/5A Converter with Power Good
INTVCC
COSC
43pF
CSS
0.1µF
RC
CC
470pF
33k
CC2 220pF
POWER
GOOD
1000pF
47pF
100k
1
COSC
2
RUN/SS
16
TG
15
BOOST
3
ITH
14
SW
LTC1735-1
4
PGOOD
13
VIN
5 SENSE
12
INTVCC
6 SENSE+
11
BG
7
VOSENSE
10
PGND
VIN
4.5V TO 22V
CB
0.1µF
Q1
Si4412DY
DB
CMDSH-3
L1
3.3µH
+
4.7µF
Q2
Si4410DY
MBRS140T3
8
SGND
9
EXTVCC
OPTIONAL:
CONNECT TO 5V
CIN
22µF
50V
CER
RSENSE
0.01
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
1735-1 TA02
CPU Core Voltage Regulator for 2-Step Applications (VIN = 5V) with Burst Mode Operation Disabled
INTVCC
POWER
GOOD
10k
Q5
100k
470k
Q4
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
LTC1735-1
4
PGOOD
13
VIN
1000pF
47pF
5 SENSE
12
INTVCC
+
6 SENSE+
7
VOSENSE
11
BG
1µF
10
PGND
8
SGND
9
EXTVCC
VIN
5V
*OPTIONAL TO DEFEAT OVERCURRENT LATCHOFF
VIN
5V
CB
0.22µF
Q1
FDS6680A
DB
MBR0530
L1
0.78µH
4.7µF
Q2, Q3
FDS6680A
×2
MBRD835L
CIN
150µF
6.3V
×2
RSENSE
0.004
100pF
R2
32.4k
1%
+
R1
25.5k
1%
COUT
180µF
4V
×3
VOUT
1.5V
12A
CO
47µF
10V
1735-1 TA03
SGND
COUT: PANASONIC EEFUEOG181R
CIN: PANASONIC EEFUEOJ151R
CO: TAIYO YUDEN LMK550BJ476MM-B
L1: COILCRAFT 1705022P-781HC
Q4, Q5: 2N2222
RSENSE: IRC LRF 2512-01-R004-J
26
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