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參數(shù)資料
| 型號(hào)： | SC2441A |
| 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(zhuǎn)換器控制器 |
| 文件頁(yè)數(shù)： | 10/37頁(yè) |
| 文件大?。?/td> | 1024K |
| 代理商： | SC2441A |
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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(guān)PDF資料 |
PDF描述 |
|---|---|
| SC2441AEVB | 1.8V to 20V Input 2-Phase Synchronous Step-down Controllers with Step-up Converter |
| 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 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC2441A_09 | 制造商:SEMTECH 制造商全稱(chēng):Semtech Corporation 功能描述:1.8V to 20V Input 2-Phase Synchronous Step-down Controllers with Step-up Converter |
| SC2441AEVB | 制造商:SEMTECH 制造商全稱(chēng):Semtech Corporation 功能描述:1.8V to 20V Input 2-Phase Synchronous Step-down Controllers with Step-up Converter |
| SC2441ATETRT | 制造商:Semtech Corporation 功能描述: |
| SC2441EVB | 制造商:SEMTECH 制造商全稱(chēng):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 |
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