LTC1735CGN-1#TRPBF Linear Technology, LTC1735CGN-1#TRPBF Datasheet - Page 28

• Manufacturer Part Number: LTC1735CGN-1#TRPBF
• Description: IC SW REG STEP-DOWN SYNC 16-SSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1735CGN-1#TRPBF

• 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-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

LTC1735-1
TYPICAL APPLICATIO
PART NUMBER
LTC1149
LTC1159
LT1375/LT1376
LTC1435A
LTC1436A/LTC1436A-PLL High Efficiency Low Noise Synchronous Step-Down Converter, N-Ch Drive
LTC1474/LTC1475
LTC1628
LTC1702
LTC1709
LTC1735
LTC1736
LTC1772
Adaptive Power and PolyPhase are trademarks of Linear Technology Corporation.
28
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C
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C1
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Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
INTV
High Efficiency Dynamic Output Voltage Selectable CPU Power Supply for SpeedStep Enabled Processors
C
C
1000pF
CC
R
C1
SS
C1
C
47pF
0.1 F
S1
33k
100k
R7
PGOOD RUN
DESCRIPTION
High Efficiency Synchronous Step-Down Controller
High Efficiency Synchronous Step-Down Controller
1.5A 500kHz Step-Down Switching Regulator
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Ultralow Quiescent Current Step-Down Monolithic Switching Regulator
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PolyPhase
High Efficiency Synchronous Step-Down Contoller, N-Channel Drive
High Efficiency Synchronous Step-Down Controller with 5-Bit VID Control
SOT-23 High Efficiency Constant Frequency Step-Down Controller
1
2
3
4
5
6
7
8
C
RUN/SS
I
PGOOD
SENSE
SENSE
V
SGND
TH
OSC
OSENSE
LATCH-OFF
LTC1735-1
TM
–
+
DISABLE
R5 10
R4 10
Synchronous Controller with 5-Bit VID
JP1
U
EXTV
BOOST
INTV
PGND
680k
R6
SW
V
TG
BG
CC
CC
IN
0.1 F
C
16
15
14
13
12
11
10
9
F1
5V
INPUT
(OPTIONAL)
+
C2
4.7 F
D1
CMDSH-3
4.7
C
R8
B
0.22 F
C4
1 F
4.5V TO 24V
V
IN
MBRS340T3
Q2, Q3
FDS6680A
Q1
FDS6680A
2
1.2 H
L1
D2
0.004
R
SENSE
C
22 F
50V
CERAMIC
COMMENTS
100% DC, Std Threshold MOSFETs, V
100% DC, Logic Level MOSFETs, V
High Efficiency
Burst Mode Operation, 16-Pin Narrow SO
Adaptive Power
100% DC, 8-Pin MSOP, I
Antiphase Drive, 28-Pin SSOP, 3.5V V
Antiphase Drive, 24-Pin SSOP, V
Up to 42A, Minimum Input Capacitors,
1.3V V
Burst Mode Opertion, 16-Pin Narrow SSOP
Output Fault Protection, 24-Pin SSOP
100% DC, 550kHz, SOT-23, Current Mode
IN
2
R2
14.3k
0.5%
sn17351 17351fs LT/TP 0100 4K • PRINTED IN USA
47pF
C2
47pF
C3
OUT
C
C
L1: PANASONIC ETQP6F1R2HFA
R
LINEAR TECHNOLOGY CORPORATION 1999
IN
OUT
SENSE
: MARCON THCR70E1H226ZT
3.5V
R1
10k
0.5%
R3
33.2k
1%
TM
: PANASONIC EEFVE06181R
: IRC CRF2512-01-R004F
Mode 20-Pin, 24-Pin SSOP
Q4
2N7002
1735-1 TA01
+
Q
= 10 A
C
180 F
4V
SP
V
1.35V OR 1.60V
12A
V
V
GND
OUT
4
OUT
SEL
SEL
IN
= 1: V
= 0: V
IN
7V
< 40V
IN
OUT
OUT
IN
< 48V
= 1.60V
= 1.35V
36V