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參數(shù)資料
| 型號： | MAX1800 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Digital Camera Step-Up Power Supply |
| 中文描述： | 數(shù)碼相機升壓型電源 |
| 文件頁數(shù)： | 22/24頁 |
| 文件大?。?/td> | 461K |
| 代理商： | MAX1800 |
M
up/step-down DC/DC converter. One way of making
such a circuit is to add a low-dropout linear regulator
after a step-up converter. When the battery voltage is
below the output voltage, the step-up converter gener-
ates the higher voltage, and the LDO regulator is in
dropout. When the battery voltage is greater than the
output voltage, the LDO drops the voltage to the
required output voltage.
Designing a PC Board
A good PC board layout is important to achieve optimal
performance from the MAX1800. Poor design can
cause excessive conducted and/or radiated noise,
both of which are undesirable.
Conductors carrying discontinuous currents should be
kept as short as possible. Conductors carrying high
currents should be made as wide as possible. A sepa-
rate low-noise ground plane containing the reference
and signal grounds should only connect to the power-
ground plane at one point to minimize the effects of
power-ground currents.
Keep the voltage feedback network very close to the
IC, preferably within 0.2in (5mm) of the FB_ pin. Nodes
with high dV/dt (switching nodes) should be kept as
small as possible and should stay away from high-
impedance nodes such as FB_.
Consult the MAX1800EVKIT evaluation kit data sheet
for a full PC board example.
Digital Camera Step-Up
Power Supply
22
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Chip Information
TRANSISTOR COUNT: 5641
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1806 | 3A Fixed Low Dropout Linear Regulator (LDO) |
| MAX1806EUA | 3A Fixed Low Dropout Linear Regulator (LDO) |
| MAX1806EUA08 | 3A Fixed Low Dropout Linear Regulator (LDO) |
| MAX1806EUA15 | 3A Fixed Low Dropout Linear Regulator (LDO) |
| MAX1806EUA18 | 3A Fixed Low Dropout Linear Regulator (LDO) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1800EHJ | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| MAX1800EHJ-T | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| MAX1800EVKIT | 功能描述:電源管理IC開發(fā)工具 RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| MAX1801EKA | 制造商:Maxim Integrated Products 功能描述:DIGITAL CAMERA STEP-UP SLAVE DC-DC - Rail/Tube |
| MAX1801EKA+ | 制造商:Maxim Integrated Products 功能描述:DC DC CNTRLR SGL-OUT STEP UP 2.7V TO 5.5V 8PIN SOT-23 - Rail/Tube |
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