LTC1735 Linear Technology, LTC1735 Datasheet - Page 32

• Manufacturer Part Number: LTC1735
• Description: High Efficiency Synchronous Step-Down Switching Regulator
• Manufacturer: Linear Technology

LTC1735
TYPICAL APPLICATIO
PART NUMBER
LTC1147
LTC1148HV/LTC1148
LTC1149
LTC1159
LTC1266
LT1375/LT1376
LTC1435A
LTC1436/LTC1436-PLL
LTC1474/LTC1475
LTC1624
LTC1625/LTC1775
LTC1627
LTC1628
LTC1702
LTC1735-1
LTC1736
LTC1772
No R
32
RELATED PARTS
SENSE
is trademark of Linear Technology Corporation. *DC = Duty Cycle
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
47pF
33k
0.1 F
R
C
C
SS
51pF
C
C2
330pF
C
1000pF
C
DESCRIPTION
High Efficiency Step-Down Controller
High Efficiency Synchronous Step-Down Controller
High Efficiency Synchronous Step-Down Controller
High Efficiency Synchronous Step-Down Controller
High Efficiency Synchronous Step-Down Controller, N-Ch Drive
1.5A 500kHz Step-Down Switching Regulator
High Efficiency Synchronous Step-Down Controller, N-Ch Drive
High Efficiency Low Noise Synchronous Step-Down Converter, N-Ch Drive
Ultralow Quiescent Current Step-Down Monolithic Switching Regulator
High Efficiency SO-8 N-Channel Switching Regulator Controller
No R
Synchronous Monolithic 0.5A Step-Down Regulator
Dual High Efficiency 2-Phase Step-Down Controller
550kHz Dual Output Synchronous Step-Down Controller
High Efficiency Step-Down Controller with Power Good
High Efficiency Step-Down Controller with VID Control
SOT-23 Step-Down Controller
500kHz
3.3V to 2.5V/5A Converter with External Clock Synchronization Operating at 500kHz
CLOCK
SENSE
EXT
C
20pF
OSC
TM
1
2
3
4
5
6
7
8
Current Mode Synchronous Step-Down Controller
C
RUN/SS
I
FCB
SGND
V
SENSE
SENSE
TH
OSC
OSENSE
U
LTC1735
–
+
EXTV
INTV
BOOST
PGND
SW
V
BG
TG
CC
CC
IN
16
15
14
13
12
11
10
9
5V
0.1 F
+
4.7 F
D
CMDSH-3
B
0.1 F
C
B
3.3V
V
IN
M1
Si4410DY
M2
Si4410DY
MBRS140T3
1.5 H
L1
+
C
100 F
10V
OS-CON
R
IN
0.01
SENSE
C
C
L1: COILCRAFT DO3316P-152
R
COMMENTS
100% DC*, Burst Mode Operation, SO-8
100% DC*, Burst Mode Operation, V
100% DC*, Std Threshold MOSFETs, V
100% DC*, Logic Level MOSFETs, V
100% DC*, Burst Mode Operation, V
High Efficiency, Monolithic, SO-8
Burst Mode Operation, 16-Pin Narrow SO
Adaptive Power Mode, 24-Pin SSOP
100% DC*, 8-Pin MSOP, 10 A I
95% DC*, 3.5V to 36V V
Burst Mode Operation, 16-Pin SSOP
100% DC*, 2.6V to 8.5V V
Antiphase Drive for Reduced Input Capacitance
Antiphase Drive, 24-Pin SSOP
Output Fault Protection, 16-Pin SO/SSOP
Output Fault Protection, 24-Pin SSOP
100% DC*, Up to 4A, 2.2V to 9.8V V
IN
OUT
SENSE
: SANYO OS-CON 10SL100M
: AVX TPSD107M010R0065
1735 TA06
: IRC LR2010-01-R010-F
47pF
LINEAR TECHNOLOGY CORPORATION 1998
R2
43.2k
1%
R1
20k
1%
1735f LT/TP 1199 4K • PRINTED IN USA
SGND
+
IN
C
100 F
10V
AVX
IN
OUT
3
, SO-8
V
2.5V
5A
Q
OUT
IN
IN
IN
IN
< 40V
< 20V
IN
< 20V
< 48V