LTC1735CS Linear Technology, LTC1735CS Datasheet - Page 32

• Manufacturer Part Number: LTC1735CS
• Description: IC SW REG STEP-DOWN SYNC 16-SOIC
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1735CS

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 6 V
• Current - Output: 3A
• Frequency - Switching: 300kHz
• Voltage - Input: 4 ~ 30 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

RELATED PARTS
PART NUMBER
LTC1530
LTC1628/LTC3728
LTC1629/LTC3729
LTC1702
LTC1708-PG
LTC1736
LTC1778
LTC1929/
LTC1929-PG
LTC3711
LTC3729
LTC3730
LTC3732
LTC3778
LTC3832
LTC4008
No R
LTC1735
TYPICAL APPLICATIO
32
SENSE
is a trademark of Linear Technology Corporation. Pentium is a registered trademark of Intel Corporation.
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
DESCRIPTION
High Power Step-Down Synchronous DC/DC Controller
in SO-8
2-Phase, Dual Output Synchronous Step-Down
DC/DC Controllers
20A to 200A PolyPhase Synchronous Controllers
No R
Controller
2-Phase, Dual Synchronous Controller with Mobile VID
High Efficiency Synchronous Controller with 5-Bit Mobile Output Fault Protection, 24-Pin SSOP,
VID Control
No R
Controller
2-Phase Synchronous Controllers
No R
Controller with Digital 5-Bit Interface
20A to 200A, 550kHz PolyPhase Synchronous Controller Expandable from 2-Phase to 12-Phase, Uses all Surface Mount
IMVP III 3-Phase Synchronous Controller
VRM 9.0/9.1 3-Phase DC/DC Synchronous Step-Down
Controller
Optional R
Controller
Low V
4A Multichemistry Multicell Battery Charger
47pF
33k
0.1 F
R
C
3.3V to 2.5V/5A Converter with External Clock Synchronization Operating at 500kHz
C
SS
SENSE
SENSE
SENSE
51pF
C
IN
C2
330pF
High Power Synchronous Controller
C
1000pF
C
TM
SENSE
Current Mode Synchronous Step-Down
Current Mode Synchronous Step-Down
500kHz
CLOCK
2-Phase Dual Synchronous Step-Down
EXT
C
20pF
OSC
Current Mode Synchronous Step-Down
U
1
2
3
4
5
6
7
8
C
RUN/SS
I
FCB
SGND
V
SENSE
SENSE
TH
OSC
OSENSE
LTC1735
www.linear.com
–
+
EXTV
BOOST
INTV
PGND
SW
V
BG
TG
CC
CC
IN
16
15
14
13
12
11
10
9
5V
0.1 F
+
D
CMDSH-3
4.7 F
B
0.1 F
C
B
3.3V
V
IN
M1
Si4410DY
M2
Si4410DY
MBRS140T3
Surface Mount Components, No Heat Sink, V
3.5V V
3.5V V
I
Up to 42A, Uses All Surface Mount Components,
Components, V
4V V
1.19V V
COMMENTS
High Efficiency 5V to 3.3V Conversion at Up to 15A
Reduces C
Expandable from 2-Phase to 12-Phase, Uses All
550kHz, No Sense Resistor
Up to 97% Efficiency, 4V V
No Heat Sinks, 3.5V V
Up to 97% Efficiency, Ideal for Pentium
0.925V V
I
1.1V V
V
NiCd, NiMH, Lead Acid, Li-Ion Batteries; 6V V
3.5V V
OUT
OUT
OUT
1.5 H
L1
up to 20A
Up to 60A, 0.6V V
+
IN
0.6V, I
IN
IN
OUT
IN
C
100 F
10V
OS-CON
OUT
IN
IN
OUT
36V, Adjustable Frequency Up to 1.2MHz, TSSOP-20
R
0.01
SENSE
and C
36V, VID Sets V
36V
36V, I
OUT
C
C
L1: COILCRAFT DO3316P-152
R
1.85V, 4.5V V
IN
OUT
SENSE
IN
28V
: SANYO OS-CON 10SL100M
2V, 4V V
up to 36V
: AVX TPSD107M010R0065
OUT
: IRC LR2010-01-R010-F
OUT
20A, 3V V
1735 TA06
, Power Good Output Signal, Synchronizable,
47pF
up to 20A, 0.8V V
IN
OUT
IN
36V
R2
43.2k
1%
R1
20k
1%
IN
OUT1
IN
1.75V, Integrated MOSFET Drivers
IN
36V, I
SGND
36V, 0.8V V
+
, PGOOD
LINEAR TECHNOLOGY CORPORATION 1998
32V, SSOP-36
LT/TP 0104 REV C 1K • PRINTED IN USA
8V
C
100 F
10V
AVX
OUT
OUT
3
®
III Processors,
V
2.5V
5A
up to 20A
OUT
OUT
IN
OUT
IN
up to 36V
5V
28V;
(0.9)(V
IN
),
1735fc