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參數資料
| 型號： | SC4518HSETRT |
| 廠商： | Semtech Corporation |
| 英文描述： | 600kHz, 2A Step-Down Switching Regulator |
| 中文描述： | 600kHz的，第2A降壓型開關穩壓器 |
| 文件頁數： | 1/15頁 |
| 文件大小： | 277K |
| 代理商： | SC4518HSETRT |
POWER MANAGEMENT
Description
The SC4518H is a current mode switching regulator with
an integrated switch, operating at 600kHz with separate
sync and enable functions. The integrated switch allows
for cost effective low power solutions (peak switch current
2 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
and instantaneous duty cycle adjustment as the input
varies (ideal for CPE applications where the input is a
wall plug power).
1
www.semtech.com
SC4518H
600kHz, 2A Step-Down
Switching Regulator
Features
Typical Application Circuit
Applications
XDSL modems
CPE equipment
DC-DC point of load applications
Portable equipment
Revision: August 22, 2007
The low shutdown current makes it ideal for portable
applications where battery life is important.
The SC4518H is a 600kHz switching regulator
synchronizable to a faster frequency from 750kHz to
1.2MHz.
Wide operating voltage range: 4.4V to 24V
Integrated 2 Amp switch
600kHz frequency of operation
Current mode controller
Synchronizable to higher frequency up to 1.2MHz
Precision enable threshold
SO-8 EDP package. Lead free product, 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
SC4518H
R1
R2
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相關代理商/技術參數 |
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|---|---|
| SC4518ISTRT | 制造商:Semtech Corporation 功能描述:Conv DC-DC Single Step Down 3V to 16V 8-Pin SOIC T/R 制造商:Semtech Corporation 功能描述:IC 1.5 AMP STP DWN SWTCH REG 制造商:Semtech Corporation 功能描述:Voltage Regulator IC Leaded Process Comp 制造商:Semtech Corporation 功能描述:SC Series 3 to 16 V 600 kHz SMT Step-Down Switching Regulator - SOIC-8LEDP |
| SC4519 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:600kHz, 3A Step-Down Switching Regulator |
| SC4519ASETRT | 制造商:Semtech Corporation 功能描述: |
| SC4519H | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:600kHz, 3A Step-Down Switching Regulator |
| SC4519H_07 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:600kHz, 3A Step-Down Switching Regulator |
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