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參數(shù)資料
| 型號： | MCP1601 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 500 mA Synchronous BUCK Regulator |
| 中文描述： | 500毫安同步降壓穩(wěn)壓器 |
| 文件頁數(shù)： | 15/22頁 |
| 文件大?。?/td> | 585K |
| 代理商： | MCP1601 |
2003 Microchip Technology Inc.
DS21762A-page 15
MCP1601
TABLE 5-4:
INDUCTOR SUPPLIERS
5.5
Efficiency
Efficiency will be affected by the external component
selection and the specific operating conditions for the
application. In Section 2.0,
“
Typical Performance
Curves
”
, there are curves plotted using typical induc-
tors that can be used to estimate the converter
efficiency for 1.2V, 1.8V and 3.3V.
5.6
Printed Circuit Board Layout
The MCP1601 is capable of switching over 500 mA at
750 kHz. As with all high-frequency, switch mode,
power supplies, a good board layout is essential to pre-
venting the noise generated by the power train switch-
ing from interfering with the sensing circuitry. The
MCP1601 has not demonstrated a sensitivity to layout,
but good design practice will prevent undesired results.
FIGURE 5-2:
Component Placement.
When designing a board layout for the MCP1601, the
first thing to consider is the physical placement of the
external components. In Figure 5-2, SM0805 10 μF
ceramic capacitors are used for C
IN
and C
OUT
. The
SM0603 package is used for R
1
, R
2
and C
1
. The induc-
tor used is the Coilcraft
LPO2506 series low profile
(0.047
”
high). The board outline in this example is 1
”
x
1
”
. C
IN
, L and C
OUT
are positioned around the
MCP1601 to make the high current paths as short as
possible.
Supplier
L
Type
Area (mm)
Height
(mm)
DC
Resistance
Max.
Current
Series
Sumida
Sumida
Sumida
CT*
Coilcraft
Coilcraft
Coilcraft
Coilcraft
10 μH
10 μH
10 μH
10 μH
10 μH
15 μH
22 μH
10 μH
Unshielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Unshielded
Wafer
Unshielded
Wafer
Shielded
4.1 mm x 3.8 mm
4.0 mm x 4.0 mm
5.7 mm x 5.7 mm
7.3 mm x 7.3 mm
6.6 mm x 4.5 mm
6.6 mm x 4.5 mm
6.6 mm x 4.5 mm
6.0 mm x 5.4 mm
3.0 mm
1.8 mm
3.0 mm
3.5 mm
3.0 mm
3.0 mm
3.0 mm
1.3 mm
230 M
160 M
65 M
70 M
75 M
90 M
110 M
300 M
0.76A
0.66A
1.3A
1.7A
1.0A
0.8A
0.7A
0.60A
C32
CDRH3D16
CDRH5D28
CTCDRH73
DS1608
DS1608
DS1608
LPO6013
Coilcraft
15 μH
6.0 mm x 5.4 mm
1.3 mm
380 M
0.55A
LPO6013
Taiyo
Yuden
Note:
10 μH
5.0 mm x 5.0 mm
2.0 mm
66 M
0.7A
NP04SB100M
CT* = Central Technologies
MCP1601
C
IN
C
OUT
R
1
C
1
R
2
P
GND
P
GND
A
GND
A
GND
SILK
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCP1601_13 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:500 mA Synchronous BUCK Regulator |
| MCP1601EV | 功能描述:電源管理IC開發(fā)工具 MCP1601 Buck Reg Eval Brd 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 |
| MCP1601-I/MS | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 500mA Sych Buck 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(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| MCP1601-I/MS | 制造商:Microchip Technology Inc 功能描述:BUCK CONVERTER SMD 1601 MSOP8 |
| MCP1601T-I/MS | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 500mA Sych Buck 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(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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