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參數(shù)資料
| 型號(hào)： | AAT1171 |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | 600mA Voltage-Scaling Step-Down Converter for RF Power Amplifiers with Bypass Switch |
| 中文描述： | 600毫安電壓調(diào)節(jié)射頻功率放大器的旁路開(kāi)關(guān)降壓轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 20/22頁(yè) |
| 文件大?。?/td> | 797K |
| 代理商： | AAT1171 |
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Input Capacitor
Specify a maximum input voltage ripple of V
PP
= 25mV.
AAT1171 Losses
AAT1171 Dropout Losses
T
J(MAX)
=
P
TOTAL
·
Θ
JA
+
T
AMB
= 112mW · 50
°
C/W = 5.6
°
C + 70
°
C = 75.6
°
C
P
TOTAL
= 0.6
2
· 310m
Ω
+ 100μA · 3.5V = 112mW
= I
O
2
· R
DS(ON)(HS)
+ I
Q
· V
IN
T
J(MAX)
=
P
TOTAL
·
Θ
JA
+
T
AMB
= 104mW · 50
°
C/W = 5.2
°
C + 70
°
C = 75.2
°
C
P
TOTAL
= 0.6
2
· 0.29
Ω
+ (5ns · 2.0MHz · 0.6A + 60μA) · 4.2V = 104mW
= I
O
2
· R
DS(ON)
+ (t
sw
· F
S
· I
O
+ I
Q
) · V
IN
I
O
2
RMS
I
P = ESR
·
I
RMS
2
= 5m
Ω
·
(0.3A)
2
= 0.45mW
=
= 0.3Arms
C
IN(MIN)
=
=
= 3.4μF
1
- ESR
·
4
·
F
S
V
PP
I
O
1
- 5m
Ω
·
4
·
2.0MHz
0.6A
25mV
AAT1171
600mA Voltage-Scaling Step-Down Converter
for RF Power Amplifiers with Bypass Switch
20
1171.2006.06.1.0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AAT1171IUP-1-T1 | 制造商:Skyworks Solutions Inc 功能描述:DC TO DC CONVERTER |
| AAT1171IWP-1-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:600mA Voltage-Scaling Step-Down Converter for RF Power Amplifiers with Bypass Switch |
| AAT1171IWP-4-T1 | 制造商:Skyworks Solutions Inc 功能描述:DC TO DC CONVERTER |
| AAT1171IWP-5-T1 | 制造商:SKYWORKS 制造商全稱:SKYWORKS 功能描述:600mA Voltage-Scaling Step-Down Converter for RF Power Amplifiers with Bypass Switch |
| AAT1184 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:High Voltage Step-Down Regulator |
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