LTC1753CSW Linear Technology, LTC1753CSW Datasheet - Page 24

• Manufacturer Part Number: LTC1753CSW
• Description: IC SW REG CNTRLR PENT III 20SOIC
• Manufacturer: Linear Technology

Specifications of LTC1753CSW

• Applications: Controller, Intel Pentium® III
• Voltage - Input: 5V
• Number Of Outputs: 1
• Voltage - Output: 1.3 ~ 3.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TYPICAL APPLICATIO
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No R
LTC1753
24
SENSE
MOUNT THERMISTER
IN CLOSE THERMAL
PROXIMITY TO Q1
and PolyPhase are trademarks of Linear Technology Corporation.
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
NTHS-1206N02
CPU
High Power Synchronous Step-Down Controller
Dual High Efficiency Low Noise Synchronous Step-Down
Switching Regulator
5-Bit Programmable Synchronous Switching Regulator
Controller for Pentium II Processor
Fixed 1.5V, 4.6A and 5A Low Dropout,
Fast Response GTL+ Regulators
PolyPhase
2-Phase, Dual Synchronous Controller with VID
5-Bit VID Programmer
High Efficiency, Synchronous Step-Down Switching Regulator
with 5-Bit VID
High Efficiency Low Noise Synchronous Step-Down
Switching Regulator
SOT-23 Step-Down Controller
Dual 550kHz Synchronous 2-Phase Switching Regulator
Controller with 5-Bit VID
2-Phase, High Efficiency, Synchronous Step-Down
Switching Regulator
DALE
1.8k
TM
Figure 11. Single Supply LTC1753 5V to 1.3V-3.5V Application with Thermal Monitor
5V
High Efficiency Controller
5
5.6k
C1
150pF
U
5.6k
R
15k
C
C
4700pF
www.linear.com
C
PWRGD
FAULT
VID0 TO VID4
OUTEN
COMP
0.1 F
0.1 F
C
SS
V
SS
CC
+
SGND
LTC1753
10 F
COMMENTS
SO-8 with Current Limit, No R
Ideal for 5V to 3.3V or Lower
Constant Frequency, Standby 5V and 3.3V LDOs, 3.5V V
DAC Code Conforms to the Intel Pentium II Processor VRM8.2
DC/DC Converter Specification
Expandable Up to 12 Phases, 28-Lead SSOP, Up to 200A
Mobile VID Code, Each Output Up to 15A, V
Desktop Pentium III Processors, V
Current Mode, V
Drives Synchronous N-Channel FETs, V
100% Duty Cycle, Up to 4A, 2.2V to 9.8V V
Desktop VID Codes, I
Current Mode Ensures Accurate Current Sensing, V
I
I
GND
GTL+ Power Supplies
MAX
OUT
820
Up to 42A, 28-Lead SSOP
SENSE
PV
CC
1 F
V
G1
I
G2
FB
FB
IN
1N5817
to 36V, I
0.1 F
20
OUT
270pF
Up to 25A on Each Channel, 28-Lead SSOP
OUT
** SANYO 10MV1200GX
††
SENSE
* SILICONIX Si4410
†
Up to 42A
PANASONIC ETQP 6FIR3LFA
SANYO 6MV2700GX
V
IN
5V
IN
TM
LINEAR TECHNOLOGY CORPORATION 1998
Q1*
Q2*
LT/TP 1201 1.5K REV A • PRINTED IN USA
Saves Space, Fixed Frequency
7V
IN
+
1.3 H
2700 F
14A
C
L
IN
OUT
O
IN
36V
†
C
1200 F
= 5V for I/O and Core
IN
††
5
3
**
+
IN
Up to 36V,
IN
1753 F11
V
14A
OUT
36V
1753fa