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參數資料
| 型號： | SC1153CSW |
| 廠商： | Semtech Corporation |
| 英文描述： | PROGRAMMABLE SYNCHRONOUS DC/DC CONTROLLER FOR ADVANCED PROCESSORS |
| 中文描述： | 可編程同步DC / DC控制器的先進的處理器 |
| 文件頁數： | 1/7頁 |
| 文件大小： | 78K |
| 代理商： | SC1153CSW |
SC1153
PROGRAMMABLE SYNCHRONOUS DC/DC
CONTROLLER FOR ADVANCED PROCESSORS
2000 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
PRELIMINARY - October 3, 2000
1
Pentium is a registered trademark of Intel Corporation
BLOCK DIAGRAM
PIN CONFIGURATION
Top View
(20-Pin SOIC)
DESCRIPTION
The SC1153 is a low-cost, full featured, synchronous
voltage-mode controller designed for use in single
ended power supply applications where efficiency is of
primary concern. Synchronous operation allows for the
elimination of heat sinks in many applications. The
SC1153 is ideal for implementing DC/DC converters
needed to power advanced microprocessors, such as
Pentium
lll, in both single and multiple processor con-
figurations. Internal level-shift, high-side drive circuitry,
and preset shoot-thru control, allows for use of inex-
pensive n-channel power switches.
SC1153 features include an integrated 5-bit VID
DAC,
temperature compensated voltage reference, triangle
wave oscillator, current limit comparator, frequency
shift over-current protection, and an accessible, inter-
nally compensated error amplifier. Power good signal-
ing, logic compatible shutdown, and over voltage pro-
tection are also provided.
The SC1153 operates at a fixed 200KHz, providing an
optimum compromise between efficiency, external
component size, and cost.
FEATURES
=
Low cost / full featured
=
Synchronous operation
=
5 Bit VID programmable output
=
On-chip power good and OVP functions
=
Designed to meet Intel VRM 8.4 (Pentium
IlI)
=
1.3V to 3.5V Range, 1% tolerance
APPLICATIONS
=
Pentium
IlI Core Supply
=
Multiple Microprocessor Supplies
=
Voltage Regulator Modules (VRM)
=
Programmable Power Supplies
=
High Efficiency DC/DC Conversion
TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com
DEVICE
(1)
PACKAGE
TEMP. RANGE (T
J
)
0 - 125°C
SC1153CSW.TR
SO-20
ORDERING INFORMATION
Note:
(1) Only available in tape and reel packaging. A reel
contains 1000 devices.
1.25V REF
D/A
CURRENT LIMIT
OSCILLATOR
200kHz
ERROR
AMP
S
Q
R
70mV
OPEN COLLECTORS
UPPER FET
LEVEL SHIFT
AND DRIVE
SHOOT-THRU
CONTROL
SYNCHRONOUS
FET DRIVE
VCC
OVP
PWRGOOD
VOSENSE
VID4
VID3
VID2
VID1
VID0
VCC CS-
CS+
SHUTDOWN
BSTH
DH
PGNDH
BSTL
DL
PGNDL
GND
相關PDF資料 |
PDF描述 |
|---|---|
| SC1153CSW.TR | PROGRAMMABLE SYNCHRONOUS DC/DC CONTROLLER FOR ADVANCED PROCESSORS |
| SC1153 | Programmable Synchronous DC/DC Controller(用于先進微處理器的可編程同步DC/DC控制器（電壓型脈寬調制控制器）) |
| SC1154 | Programmable Synchronous DC/DC Hysteretic Controller(用于先進微處理器的可編程同步步降DC/DC滯后型控制器（輸出電壓1.3V-3.5V)) |
| SC1155EVB | PROGRAMMABLE SYNCHRONOUS DC/DC HYSTERETIC CONTROLLER WITH VRM 9.0 VID RANGE |
| SC1155CSW | PROGRAMMABLE SYNCHRONOUS DC/DC HYSTERETIC CONTROLLER WITH VRM 9.0 VID RANGE |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SC1153CSW.TR | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:PROGRAMMABLE SYNCHRONOUS DC/DC CONTROLLER FOR ADVANCED PROCESSORS |
| SC1154 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:PROGRAMMABLE SYNCHRONOUS DC/DC HYSTERETIC CONTROLLER FOR ADVANCED PROCESSORS |
| SC1154CSW | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:PROGRAMMABLE SYNCHRONOUS DC/DC HYSTERETIC CONTROLLER FOR ADVANCED PROCESSORS |
| SC1155 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Programmable Synchronous DC/DC Hysteretic Controller with VRM 9.0VID Range |
| SC1155_01 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Programmable Synchronous DC/DC Hysteretic Controller with VRM 9.0VID Range |
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