參數(shù)資料
型號(hào)： SC4517AIMSTRT
廠(chǎng)商： Semtech Corporation
英文描述： 1.25MHz, 1.5A Step-Down Switching Regulator
中文描述： 1.25MHz的，1.5A的降壓型開(kāi)關(guān)穩(wěn)壓器
文件頁(yè)數(shù)： 1/15頁(yè)
文件大?。?/td> 280K
代理商： SC4517AIMSTRT
POWER MANAGEMENT
Description
The SC4517A is a current mode switching regulator with
an integrated switch, operating at 1.25MHz with separate
sync & enable functions. The integrated switch allows
for cost effective low power solutions (peak switch current
1.5 amps). The sync function allows customers to
synchronize to a faster clock in order to avoid frequency
beating in noise sensitive applications. High frequency
of operation allows for very small passive components.
Current mode operation allows for fast dynamic response
& instantaneous duty cycle adjustment as the input varies
(ideal for CPE applications where the input is a wall plug
power).
1
www.semtech.com
SC4517A
1.25MHz, 1.5A Step-Down
Switching Regulator
Features
Typical Application Circuit
Applications
XDSL modems
CPE equipment
DC-DC point of load applications
Portable equipment
Revision: December 13, 2006
The low shutdown current makes it ideal for portable
applications where battery life is important.
The SC4517A is a 1.25MHz switching regulator
synchronizable to a faster frequency from 1.6MHz to
2MHz.
Integrated 1.5 Amp switch
1.25MHz frequency of operation
Current mode controller
Synchronizable to higher frequency up to 2MHz
6μA low shutdown current
MSOP-8 and MLPD-8 Lead-free packages. This
product is fully WEEE and RoHS compliant
C1
VOUT
D2
D1
R3
C2
L1
Enable
BST
1
IN
2
SW
3
GND
4
EN
5
FB
6
COMP
7
SYNC
8
VIN
C4
C3
SC4517AXX
R1
R2
相關(guān)PDF資料
PDF描述
SC4517AIMSXXTRT 1.25MHz, 1.5A Step-Down Switching Regulator
SC4518H 600kHz, 2A Step-Down Switching Regulator
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SC4518HSETRT 600kHz, 2A Step-Down Switching Regulator
SC4519H 600kHz, 3A Step-Down Switching Regulator
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SC4517AIMSXXTRT 制造商:SEMTECH 制造商全稱(chēng):Semtech Corporation 功能描述:1.25MHz, 1.5A Step-Down Switching Regulator
SC4517EVB-1 制造商:Semtech Corporation 功能描述:EVALUATION BOARD 制造商:Semtech Corporation 功能描述:Portable Imvp-Iv And Imvp-Iv+ Single Phase Power Supply Controller
SC4517EVB-2 制造商:Semtech Corporation 功能描述:12VIN 5VOUT 0.5A IOUT 制造商:Semtech Corporation 功能描述:EVALUATION BOARD 制造商:Semtech Corporation 功能描述:Eval Board for SC4517 Step-Down Switching Regulator 制造商:Semtech Corporation 功能描述:SC4517A, SWITCHING REG, STEP DOWN, EVAL BOARD; Silicon Manufacturer:Semtech; Silicon Core Number:SC4517A; Kit Application Type:Power Management - Voltage Regulator; Application Sub Type:Step Down Switching Regulator ;RoHS Compliant: Yes
SC4518H 制造商:SEMTECH 制造商全稱(chēng):Semtech Corporation 功能描述:600kHz, 2A Step-Down Switching Regulator
SC4518HEVB 制造商:SEMTECH 制造商全稱(chēng):Semtech Corporation 功能描述:600kHz, 2A Step-Down Switching Regulator
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