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參數(shù)資料
| 型號： | MP1542_06 |
| 廠商： | Monolithic Power Systems, Inc. |
| 英文描述： | 700KHz/1.3MHz Boost Converter with a 2A Switch |
| 中文描述： | 700KHz/1.3MHz升壓轉(zhuǎn)換器的2A開關(guān) |
| 文件頁數(shù)： | 9/10頁 |
| 文件大小： | 466K |
| 代理商： | MP1542_06 |
MP1542 – 700KHz/1.3MHz BOOST CONVERTER WITH A 2A SWITCH
MP1542 Rev. 1.3
9/7/2006
www.MonolithicPower.com
9
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
AMLCD Application
Figure 3 shows a power supply for active matrix
(TFT-LCD) flat-panel displays. The positive and
negative charge pump outputs are configured
with discrete components. Adjust the output
capacitance and compensation component
values as necessary to
performance.
meet transient
Layout Consideration
High frequency switching regulators require very
careful layout for stable operation and low
noise. All components must be placed as close to
the IC as possible. Keep the path between the
SW pin, output diode, output capacitor and GND
pin extremely short for minimal noise and ringing.
The input capacitor must be placed close to the
IN pin for best decoupling. All feedback
components must be kept close to the FB pin to
prevent noise injection on the FB pin trace. The
ground return of the input and output capacitors
should be tied close to the GND pin. See the
MP1542 demo board layout for reference.
TYPICAL APPLICATION
V
IN
5V
V
12V
MP1542
SW
IN
FB
COMP
SS
GND
EN
FSEL
5
2
1
4
8
3
7
6
OFF ON
D1
C4
10nF
C3
2.2nF
Figure 2—Typical Application Circuit
V
IN
3.0V to 3.6V
V
OUT1
9V
150mA
MP1542
SW
IN
FB
COMP
SS
GND
EN
FSEL
OFF ON
V
OUT2
-9V
10mA
D1
D4
D2
V
26V
5mA
D3
C4
22nF
C3
2.2nF
5
2
1
4
8
3
7
6
Figure 3—Multiple-Output, Low-Profile (1.2mm max) TFT LCD Power Supply
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MP1542DH | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:700KHz/1.3MHz Boost Converter with a 2A Switch |
| MP1542DK | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:700KHz/1.3MHz Boost Converter with a 2A Switch |
| MP1542DK-LF-P | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 .7/1.3MHz 22Vout Step-up Converter RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| MP1542DK-LF-Z | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 .7/1.3MHz 22Vout Step-up Converter RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| MP1543 | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:1.5A, 500KHz Synchronous Rectified Step-up Converter |
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