參數(shù)資料
型號: SC2441AEVB
廠商: Semtech Corporation
英文描述: 1.8V to 20V Input 2-Phase Synchronous Step-down Controllers with Step-up Converter
中文描述: 1.8V至20V的輸入2相同步降壓與升壓轉換器控制器
文件頁數(shù): 10/37頁
文件大小: 1024K
代理商: SC2441AEVB
10
2006 Semtech Corp.
www.semtech.com
POWER MANAGEMENT
Block Diagram
SC2441A
Figure 5. Phase-Locked Loop (a) and Its Timing Diagram in Locked Condition (R
2
not Used) (b).
(b)
(a)
1.5V
-
CLK
CKOUT
28
ROSC
10
6
SYNC/SHDN
EXT CLOCK
BUFFER
PHASE /
FREQUENCY
DETECTOR
QU
QD
PLLF
C1
R1
C2
PLLF
2
1K
INTERNAL
CLAMP
R2
EXTERNAL PLL
COMPENSATION
OPTIONAL
RESISTOR FOR
SETTING PHASE
SHIFT
CURRENT-
CONTROLLED
OSCILLATOR
ROSC
TOGGLE
FLIP-FLOP
QT
QT
SETS FREE -
RUNNNG
FREQUENCY
CLK1
CLK2
S1
S2
+
+
0.4V
V/I
XCLK
XCLK
CLK1
QT
CLK2
CLK
GDH1
GDH2
CKOUT
QT
PLLF
相關PDF資料
PDF描述
SC2441ATETRT 1.8V to 20V Input 2-Phase Synchronous Step-down Controllers with Step-up Converter
SC2441 Very Low Input Voltage 2-Phase Synchronous Step-down Controllers with Step-up Converter
SC2441EVB Very Low Input Voltage 2-Phase Synchronous Step-down Controllers with Step-up Converter
SC2441ITSTRT Very Low Input Voltage 2-Phase Synchronous Step-down Controllers with Step-up Converter
SC2442 High Performance Wide Input Range Dual Synchronous Buck Controller
相關代理商/技術參數(shù)
參數(shù)描述
SC2441ATETRT 制造商:Semtech Corporation 功能描述:
SC2441EVB 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Very Low Input Voltage 2-Phase Synchronous Step-down Controllers with Step-up Converter
SC2441ITSTRT 制造商:Semtech Corporation 功能描述:Controller IC
SC2442 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:High Performance Wide Input Range Dual Synchronous Buck Controller
SC2442H 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:High Performance Wide Input Range Dual Synchronous Buck Controller