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參數(shù)資料
| 型號(hào)： | AAT1143IJS-2.5-T1 |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 元件分類： | 圓形連接器 |
| 英文描述： | Circular Connector; MIL SPEC:MIL-C-5015; Body Material:Metal; Series:GT; No. of Contacts:3; Connector Shell Size:28; Connecting Termination:Solder; Circular Shell Style:Square Flange Receptacle; Body Style:Straight |
| 中文描述： | 1MHz的400mA的降壓轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 12/20頁(yè) |
| 文件大?。?/td> | 594K |
| 代理商： | AAT1143IJS-2.5-T1 |
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The maximum output capacitor RMS ripple current
is given by:
Dissipation due to the RMS current in the ceramic
output capacitor ESR is typically minimal, resulting in
less than a few degrees rise in hot-spot temperature.
Adjustable Output Resistor Selection
For applications requiring an adjustable output volt-
age, the 0.6V version can be externally pro-
grammed. Resistors R1 and R2 of Figure 5 program
the output to regulate at a voltage higher than 0.6V.
To limit the bias current required for the external
feedback resistor string while maintaining good
noise immunity, the minimum suggested value for
R2 is 59k
. Although a larger value will further
reduce quiescent current, it will also increase the
impedance of the feedback node, making it more
sensitive to external noise and interference. Table 2
summarizes the resistor values for various output
voltages with R2 set to either 59k
for good noise
immunity or 221k
for reduced no load input current.
R1 = V
·
R2 = 0.6V
·
59k
= 88.5k
REF
V
OUT
1.5V
1
2
3
V
OUT
· (V
IN(MAX)
- V
OUT
)
L
·
F
·
V
IN(MAX)
RMS(MAX)
I
=
·
·
AAT1143
1MHz 400mA Step-Down Converter
12
1143.2005.09.1.7
Figure 2: AAT1143 Evaluation Board
Top Side.
Figure 3: Exploded View of Evaluation
Board Top Side Layout.
Figure 4: AAT1143 Evaluation Board
Bottom Side.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AAT1143IJS-3.3-T1 | Circular Connector; MIL SPEC:MIL-C-5015; Body Material:Metal; Series:GT; No. of Contacts:3; Connector Shell Size:28; Connecting Termination:Solder; Circular Shell Style:Square Flange Receptacle; Body Style:Straight |
| AAT1145 | 1.2A Step-Down Converter |
| AAT1145IDE-0.6-T1 | 1.2A Step-Down Converter |
| AAT1145IDE-1.8-T1 | 1.2A Step-Down Converter |
| AAT1146 | Fast Transient 400mA Step-Down Converter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AAT1143IJS-3.3-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:1MHz 400mA Step-Down Converter |
| AAT1145 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:1.5A Step-Down Converter |
| AAT1145_08 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:1.5A Step-Down Converter |
| AAT1145IDE-0.6-T1 | 制造商:Skyworks Solutions Inc 功能描述:DC TO DC CONVERTER |
| AAT1145IDE-1.8-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:1.5A Step-Down Converter |
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