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參數(shù)資料
| 型號： | AAT2513 |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | Dual 600mA Step-Down Converter with Synchronization |
| 中文描述： | 雙600mA降壓轉(zhuǎn)換器的同步 |
| 文件頁數(shù)： | 18/22頁 |
| 文件大小： | 693K |
| 代理商： | AAT2513 |
AAT2513 Losses
The maximum dissipation occurs at dropout where V
IN
= 2.7V. All values assume an 85°C ambient and a 120°C
junction temperature.
Figure 2: AAT2513 Evaluation Board Schematic
1
.
L2
C2
V
O1
187k
R1
L1
V
O2
GND
LX2
R3
88.7k
R4
59.0k
R2
59.0k
C5
100pF
C4
100pF
C1
LX1
V
IN
C7
1μF
C6
1μF
C8
0.1μF
PS
1
VIN2
16
LX2
14
EN2
9
EN1
10
PGND2
13
AGND
2
MODE/SYNC
12
VCC
11
VIN1
5
FB1
4
FB2
3
LX1
7
PGND1
8
N/C
15
N/C
6
AAT2513
U1
C9
10μF
C3
10μF
R5
10
V
IN
V
IN
V
CC
V
CC
V
IN
GND
GND
GND
GND
L1, L2 CDRH2D11
C1, C2 4.7μF 10V 0805 X5R
1
2
3
Phase Shift
1
2
3
Sync
1
2
3
Enable 1
1
2
3
Enable 2
C10
120μF
T
J(MAX)
= T
AMB
+
Θ
JA
· P
LOSS
= 85
°
C + (28
°
C/W) · 533mW = 100
°
C
T
J(MAX)
= T
AMB
+
Θ
JA
· P
LOSS
= 85
°
C + (50
°
C/W) · 533mW = 111
°
C
P
TOTAL
+ (t
sw
· F · I
O2
+ 2 · I
Q
) · V
IN
I
O1
2
· (R
DSON(HS)
· V
O1
+ R
DSON(LS)
· (V
IN
-V
O1
)) + I
O2
2
· (R
DSON(HS)
· V
O2
+ R
DSON(LS)
· (V
IN
-V
O2
))
V
IN
=
=
+ (5ns · 1.7MHz · 0.6A + 60μA) · 2.7V = 533mW
0.6
2
· (0.725
Ω
·
2.5V + 0.7
Ω
·
(2.7V - 2.5V)) +
0.6
2
· (0.725
Ω
·
1.8V + 0.7
Ω
·
(2.7V - 1.8V))
2.7V
AAT2513
Dual 600mA Step-Down
Converter with Synchronization
18
2513.2007.04.1.1
1. For enhanced transient configuration C5, C4 = 100pF and C1, C2 = 10μF.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AAT2513IVN-AA-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Dual 600mA Step-Down Converter with Synchronization |
| AAT2514 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Dual Channel 600mA Step-Down Converter |
| AAT2514_08 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Dual Channel 600mA Step-Down Converter |
| AAT2514IDE-AA-T1 | 制造商:Skyworks Solutions Inc 功能描述:DC TO DC CONVERTER |
| AAT2515 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Dual 600mA Fast Transient High Frequency Buck Converter |
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