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參數(shù)資料
| 型號(hào)： | AAT1210 |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | High Power DC/DC Boost Converter with Optional Dynamic Voltage Programming |
| 中文描述： | 高功率DC / DC升壓轉(zhuǎn)換器可選動(dòng)態(tài)電壓編程 |
| 文件頁數(shù)： | 13/23頁 |
| 文件大?。?/td> | 707K |
| 代理商： | AAT1210 |
Applications Information
Output Current and Power Capability
The AAT1210 boost converter provides a high volt-
age, high current, regulated DC output voltage
from a low voltage DC input. The operating input
voltage range is 2.7 to 5.5V.
Figure 1 details the output current and power
capability of the AAT1210 for output voltages from
5V to 18V with DC input of 2.7V, 3.6V and 4.5V.
The maximum output current/power curves are
based on +50oC case temperature rise over ambi-
ent using the TDFN34-16 package. Ambient tem-
perature at 25oC, natural convection is assumed.
Up to 1.3A of output current is possible with 4.5V
input voltage. As shown in Figure 1, the output
capability is somewhat reduced at higher output
voltage and reduced input voltage.
The AAT1210 schematic and PCB layout are pro-
vided in Figures 2, 6, and 7. The PCB layout
includes a small 1 ounce copper power plane on
top and bottom layers which is tied to the paddle of
the TDFN34-16 package. The top plane is soldered
directly to the paddle, and tied to the bottom layer
with plated through vias. Details of the PCB layout
are provided in Figures 6, 7, and 8.
Actual case temperature may vary and depends on
the boost converter efficiency and the system ther-
mal design; including, but not limited to airflow, local
heat sources, etc. Additional derating may apply.
Selecting the Output Diode
To ensure minimum forward voltage drop and no
recovery, a high voltage Schottky diode is consid-
ered the best choice for use with the AAT1210 boost
converter. The AAT1210 output diode is sized to
maintain acceptable efficiency and reasonable
operating junction temperature under full load oper-
ating conditions. Forward voltage (V
F
) and package
thermal resistance (
θ
JA
) are the dominant factors to
consider in selecting a diode. The diode's pub-
lished current rating may not reflect actual operating
conditions and should be used only as a compara-
tive measure between similarly rated devices. 20V
rated Schottky diodes are recommended for out-
puts less than 15V, while 30V rated Schottky diodes
are recommended for outputs greater than 15V.
AAT1210
High Power DC/DC Boost Converter
with Optional Dynamic Voltage Programming
1210.2007.02.1.2
13
Figure 1: Maximum Output Power Vs. Output Voltage for T
C(RISE)
= +50oC
(assumes TDFN34-16 paddle heatsinking; see Figures 6, 7, and 8).
AAT1210 Boost Converter Maximum Output Capability
Output Voltage (V)
M
M
0
200
400
600
800
1000
1200
1400
5
6
7
8
9
10
11
12
13
14
15
16
17
18
0
1
2
3
4
5
6
7
V
IN
= 4.5V
V
IN
= 3.6V
Output Current
Output Power
V
IN
= 2.7V
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| AAT1210IRN-0.6-DB1 | 制造商:Advanced Analogic Tech 功能描述:Evaluation Board for AAT1210 High Power DC/DC Boost Converter 制造商:SKYWORKS SOLUTIONS 功能描述:Evaluation Board for AAT1210 High Power DC/DC Boost Converter |
| AAT1210IRN-0.6-T1 | 功能描述:DC/DC 開關(guān)控制器 High Power Boost Converter RoHS:否 制造商:ON Semiconductor 輸入電壓: 開關(guān)頻率: 輸出電壓: 輸出電流: 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格: 封裝 / 箱體: |
| AAT1217 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:600mA, 1.2MHz, Micropower Synchronous Step-Up Converter |
| AAT1217_08 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:600mA, 1.2MHz, Micropower Synchronous Step-Up Converter |
| AAT1217ICA-1.2-T1 | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 1.2MHz ADJ Step Up Converter RoHS:否 制造商:Skyworks Solutions, Inc. 輸出電壓: 輸出電流: 輸出功率: 輸入電壓: 開關(guān)頻率: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Reel |
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