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參數(shù)資料
| 型號(hào)： | SC1101CS |
| 廠商： | Semtech Corporation |
| 英文描述： | VOLTAGE MODE PWM CONTROLLER |
| 中文描述： | 電壓模式PWM控制器 |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 96K |
| 代理商： | SC1101CS |
SC1101
2000 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
VOLTAGE MODE PWM CONTROLLER
February 29, 2000
1
BLOCK DIAGRAM
Pentium is a registered trademark of Intel Corporation
PIN CONFIGURATION
1
2
3
4
5
6
7
8
BST
DH
GND
GND
Vcc
Cs(+)
Cs(-)
FB
Top View
(8 LEAD PLASTIC SOIC)
DESCRIPTION
The SC1101 is a versatile, low-cost, voltage-mode
PWM controller designed for use in single ended DC/
DC power supply applications. A simple, fixed-voltage
buck regulator can be implemented using the SC1101
with a minimum of external components. Internal level
shift and drive circuitry eliminates the need for an ex-
pensive p-channel, high-side switch. The small device
footprint allows for compact circuit design.
SC1101 features include a temperature compensated
voltage reference, triangle wave oscillator, current limit
comparator, frequency shift over-current protection,
and an internally compensated error amplifier. Pulse by
pulse current limiting is implemented by sensing the
differential voltage across an external resistor, or an
appropriately sized PC board trace.
The SC1101 operates at a fixed frequency of 200kHz,
providing an optimum compromise between efficiency,
external component size, and cost.
FEATURES
Low cost / small size
Switch mode efficiency (90%)
1% reference voltage accuracy
Over current protection
500mA output drive
SO-8 package
APPLICATIONS
Pentium P55 Core Supply
Low Cost Microprocessor Supplies
Peripheral Card Supplies
Industrial Power Supplies
High Density DC/DC Conversion
TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com
ORDERING INFORMATION
DEVICE
(1)
PACKAGE
TEMP RANGE (T
J
)
SC1101CS
SO-8
0° to 125°C
Note:
(1) Add suffix ‘TR’ for tape and reel.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SC1102CSTR | SYNCHRONOUS DC/DC CONTROLLER FOR DISTRIBUTED POWER SUPPLY APPLICATIONS |
| SC1102 | SYNCHRONOUS DC/DC CONTROLLER FOR DISTRIBUTED POWER SUPPLY APPLICATIONS |
| SC1102EVB | SYNCHRONOUS DC/DC CONTROLLER FOR DISTRIBUTED POWER SUPPLY APPLICATIONS |
| SC1103 | VOLTAGE MODE PWM CONTROLLER |
| SC1103CS | VOLTAGE MODE PWM CONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC1101CS.TR | 制造商:Semtech Corporation 功能描述:Pulse Width Modulation (PWM) Controller |
| SC1101CS.TRT | 制造商:Semtech Corporation 功能描述:CONTROLLER IC ((NW)) 制造商:SEMTECH 功能描述:I.C. |
| SC1101CSTRT | 制造商:Semtech Corporation 功能描述:SC Series 200 kHz SMT Asynchronous Voltage Mode PWM Controller - SOIC-8 |
| SC1102 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:SYNCHRONOUS DC/DC CONTROLLER FOR DISTRIBUTED POWER SUPPLY APPLICATIONS |
| SC1102_06 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Synchronous Voltage Mode Controller for Distributed Power Supply Applications |
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