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參數(shù)資料
| 型號： | 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)換器可選動態(tài)電壓編程 |
| 文件頁數(shù)： | 14/23頁 |
| 文件大小： | 707K |
| 代理商： | AAT1210 |
AAT1210
High Power DC/DC Boost Converter
with Optional Dynamic Voltage Programming
14
1210.2007.02.1.2
Figure 2: AAT1210 Demo Board Schematic.
D1 Schottky
1
2
3
Enable
JP2
JP1
1
2
3
Select
4.7uF
C1
U1 AAT1210 TDFN34-16
C1 6.3V 0603 4.7μF
C2 10V 0805 10μF
D1 30V 0.5A MBR0530T1 SOD-123
L1 0.47μH SD10-R47-R
R1 36.5k 0603
R2 549 0603
R3 4.99k 0603
R4 10k 0603
VP
VP
16
15
14
13
12
11
10
9
EN/SET
SEL
PGND
8
7
PGND
6
5
GND
4
3
FB1
2
LIN
1
VIN
N/C
SW
SW
AAT1210_TDFN34-16
U1
VIN: 2.7V to 5.5V
C2
4.7μF
10V
R2
549
R1
36.5k
R3
4.99k
9V at 300mA
5V at 600mA
L1
0.47μH
R4
10K
The switching period is divided between ON and
OFF time intervals.
During the ON time, the N-channel power MOSFET
is conducting and storing energy in the boost
inductor. During the OFF time, the N-channel
power MOSFET is not conducting. Stored energy is
transferred from the input supply and boost inductor
to the output load through the output diode. Duty
cycle is defined as the ON time divided by the total
switching interval.
The maximum duty cycle can be estimated from
the relationship for a continuous mode boost con-
verter. Maximum duty cycle (D
MAX
) is the duty
cycle at minimum input voltage (V
IN(MIN)
).
The average diode current during the OFF time can
be estimated.
The following curves show the V
F
characteristics
for different Schottky diodes (100°C case). The V
F
of the Schottky diode can be estimated from the
average current during the off time.
I
OUT
1 - D
MAX
I
AVG(OFF)
=
V
OUT
- V
IN(MIN)
V
OUT
D
MAX
=
T
ON
T
ON
+ T
OFF
D =
= T
ON
F
S
= T
ON
+ T
OFF
1
F
S
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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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