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參數(shù)資料
| 型號： | AAT1152IKS-1.5-T1 |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 英文描述： | 850kHz 1A Synchronous Buck DC/DC Converter |
| 中文描述： | 850kHz 1A條同步降壓DC / DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 15/18頁 |
| 文件大?。?/td> | 335K |
| 代理商： | AAT1152IKS-1.5-T1 |
AAT1152
850kHz 1A Synchronous Buck DC/DC Converter
1152.2003.01.0.9
15
Inductor Selection:
Select Sumida inductor CDRH5D18 4.1μH 57m
2.0 mm height.
Output Capacitor Dissipation:
AAT1152 Dissipation:
T
J(MAX)
= T
AMB
+
Θ
JA
· P
LOSS
= 85
°
C + 150
°
C/W · 0.203W = 115
°
C
P
+ (t
sw
· F · I
O
+ I
Q
) · V
IN
I
O
2
· (R
DSON(H)
· V
O
+ R
DSON(L)
· (V
IN
-V
O
))
V
IN
=
=
+ (20nsec · 830kHz · 1.0A + 0.3mA) · 3.6V = 0.203W
(0.14
·
1.5V + 0.145
·
(3.6V - 1.5V))
3.6V
I
RMS
V
OUT
(V
IN
- V
OUT
)
L
F
V
IN
1.5V
(4.2V - 1.5V)
4.1
μ
H
830kHz
4.2V
=
=
=82mA
RMS
1
2
3
1
2
3
P
ESR
= ESR
COUT
I
RMS
2
= 5m
.082
2
A = 33
μ
W
V
V
1.5
V
1.5V
I = L
1 - V
1-4.2V
F
IN
4.1
μ
H
830kHz
I
PK
= I
OUT
+
I = 1.0A + 0.14A = 1.14A
2
P = I
O
2
DCR =57mW
V
V
1.5
V
1.5V
L =I
1 - V
1 -4.2V
μ
H
O
k
F
IN
1.0A
0.3
830kHz
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PDF描述 |
|---|---|
| AAT1152IKS-2.0-T1 | 850kHz 1A Synchronous Buck DC/DC Converter |
| AAT1152IKS-2.5-T1 | 850kHz 1A Synchronous Buck DC/DC Converter |
| AAT1152IKS-3.0-T1 | 850kHz 1A Synchronous Buck DC/DC Converter |
| AAT1152IKS-3.3-T1 | 850kHz 1A Synchronous Buck DC/DC Converter |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AAT1152IKS-2.0-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:850kHz 1A Synchronous Buck DC/DC Converter |
| AAT1152IKS-2.5-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:850kHz 1A Synchronous Buck DC/DC Converter |
| AAT1152IKS-3.0-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:850kHz 1A Synchronous Buck DC/DC Converter |
| AAT1152IKS-3.3-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:850kHz 1A Synchronous Buck DC/DC Converter |
| AAT1153 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:2A Step-Down Converter |
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