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參數(shù)資料
| 型號(hào)： | SC1406A |
| 廠商： | Semtech Corporation |
| 英文描述： | PORTABLE PENTIUM II & III POWER SUPPLY CONTROLLER |
| 中文描述： | 便攜式奔騰II |
| 文件頁數(shù)： | 1/17頁 |
| 文件大?。?/td> | 175K |
| 代理商： | SC1406A |
SC1406A
2000 SEMTECH CORP.
652 MITCHELL ROAD
NEWBURY PARK CA 91320
PORTABLE PENTIUM
II & III
POWER SUPPLY CONTROLLER
January 28, 2000
1
Pentium is a registered trademark of Intel Corporation
BLOCK DIAGRAM
PIN CONFIGURATION
DESCRIPTION
The SC1406A is a High Speed, High performance
Hysteretic Mode controller. It is part of a two chip solu-
tion, with the SC1405 Smart Driver, providing power
to advanced micro-processors. It uses a Dynamic Set
Point switching technique along with an ultra-fast com-
parator to provide the control signal to an external
high speed Mosfet driver. A 5-bit DAC sets the output
voltage, thus providing a voltage resolution of 25mV.
SC1406A has two on-chip linear regulators which
drive external PNP transistors with output voltage set-
tings of 1.5V and 2.5Vdc. The linear regulator drivers
have a separate soft start. A PWRGD TTL level signal
is asserted when all voltages are within specifications.
The part features Low Battery Detect and Undervolt-
age Lock-Out for the main Hysteretic controller to as-
sure V-DC is within acceptable limits. An Over-Current
comparator disables the main controller during an
overcurrent condition using an externally pro-
grammable threshold.
FEATURES
High Speed Hysteretic controller provides high
efficiency over a wide operating load range
Inherently stable
Complete power solution with two LDO drivers
Programmable output voltage for Pentium
II & III
Processors
APPLICATIONS
Laptop and Notebook computers
High performance Microprocessor based systems
High efficiency distributed power supplies
DEVICE
PACKAGE
TEMP. (T
J
)
0 - 125°C
SC1406ACTS
TSSOP-28
ORDERING INFORMATION
TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com
TSSOP-28
Top View
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| SC1406ACTS | PORTABLE PENTIUM II & III POWER SUPPLY CONTROLLER |
| SC1406GCTSTR | Power Supply Controller for Portable Pentium II & III SpeedStep Processors |
| SC1406 | PORTABLE PENTIUM II & III POWER SUPPLY CONTROLLER |
| SC1406TS | PORTABLE PENTIUM II & III POWER SUPPLY CONTROLLER |
| SC1406G | Power Supply Controller for Portable Pentium II & III SpeedStep Processors |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC1406ACTS | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:PORTABLE PENTIUM II & III POWER SUPPLY CONTROLLER |
| SC1406G | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Power Supply Controller for Portable Pentium II & III SpeedStep Processors |
| SC1406GCTSTR | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Power Supply Controller for Portable Pentium II & III SpeedStep Processors |
| SC1406TS | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:PORTABLE PENTIUM II & III POWER SUPPLY CONTROLLER |
| SC1408 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Low Voltage, Boost DC-DC Controller |
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