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參數(shù)資料
| 型號： | SC2450_07 |
| 廠商： | Semtech Corporation |
| 英文描述： | BI-Phase/Dual Controller |
| 中文描述： | BI-Phase/Dual控制器 |
| 文件頁數(shù)： | 1/21頁 |
| 文件大小： | 1571K |
| 代理商： | SC2450_07 |
POWER MANAGEMENT
Description
1
www.semtech.com
SC2450
BI-Phase/Dual Controller
Features
Applications
Revision: January 17, 2007
Typical Application Circuit
Selectable dual output or bi-phase operation
Direct drive for N-channel MOSFETs
Undervoltage lockout
Synchronization to external clock
Multi-converter synchronization
Soft start
Fast transient response
Max duty cycle 45%
Output over voltage protection
Thermal shutdown
28-Pin SO lead free package available. Fully WEEE
and RoHS compliant
Power supplies for advanced telecoms/datacoms
SO IP, Ethernet and PABX power supplies
The SC2450 can be configured as a dual converter or a
bi-phase converter for high current applications. The part
is designed for point of use power supplies with 8.5-30V
nominal backplane power sources. Multiple supplies can
be synchronized together to prevent low frequency har-
monics on the backplane. The power dissipation is con-
trolled using a novel low voltage supply technique, allow-
ing high speed and integration, with the high drive cur-
rents to ensure low MOSFET switching loss.
The use of high speed switching circuits allows very nar-
row PWM outputs down to 15:1 voltage ratios. Single
pin compensation for each channel simplifies develop-
ment as well as reducing external pin count.
Capable of driving MOSFETs via external driver transis-
tors for phase currents beyond 20A.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SC2450ISWTRT | BI-Phase/Dual Controller |
| SC2450EVB | BI-Phase/Dual Controller |
| SC2450ISWTR | BI-Phase/Dual Controller |
| SC2450 | BI-Phase/Dual Controller |
| SC2453_05 | High Performance Quad Output Switching Regulator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC2450EVB | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:BI-Phase/Dual Controller |
| SC2450ISW | 制造商:Semtech Corporation 功能描述: |
| SC2450ISWTR | 制造商:Semtech Corporation 功能描述:DC DC Cntrlr Dual-OUT PWM DC to DC Controller 8.5V to 30V Input 28-Pin SOIC T/R |
| SC2450ISWTRT | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:BI-Phase/Dual Controller |
| SC2453 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:High Performance Quad Output Switching Regulator |
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