參數(shù)資料
型號: AAT2550
廠商: Advanced Analog Technology,lnc.
英文描述: Total Power Solution for Portable Applications
中文描述: 總功率便攜式應用解決方案
文件頁數(shù): 33/35頁
文件大?。?/td> 914K
代理商: AAT2550
2.5V Output Capacitor
1.8V Output Capacitor
Input Capacitor
Input Ripple V
PP
= 25mV.
I
O1
+ I
O2
2
RMS(MAX)
I
P = esr
·
I
RMS
2
= 5m
Ω
·
(0.4A)
2
= 0.8mW
=
= 0.4Arms
C
IN
=
=
= 6.8
μ
F
1
- ESR
·
4
·
F
S
I
O1
+
I
O2
V
PP
1
- 5m
Ω
·
4
·
1.4MHz
0.8A
25mV
1
2
3
1
1.8V · (4.2V - 1.8V)
4.7
H · 1.4MHz · 4.2V
2
3
RMS(MAX)
I
L · F
S
· V
IN(MAX)
=
·
·
3 ·
Δ
I
LOAD
V
DROOP
· F
S
3 · 0.3A
0.2V · 1.4MHz
C
OUT
=
=
= 3.2
μ
F
· = 45mArms
·
(V
OUT
) · (V
IN(MAX)
- V
OUT
)
=
P
esr
= esr · I
RMS2
= 5m
Ω
· (45mA)
2
= 10
μ
W
1
2
3
1
2.5V · (4.2V - 2.5V)
10
H · 1.4MHz · 4.2V
2
3
RMS(MAX)
I
L · F
S
· V
IN(MAX)
=
·
·
3 ·
Δ
I
LOAD
V
DROOP
· F
S
3 · 0.3A
0.2V · 1.4MHz
C
OUT
=
=
= 3.2
μ
F
· = 21mArms
·
(V
OUT
) · (V
IN(MAX)
- V
OUT
)
=
P
esr
= esr · I
RMS2
= 5m
Ω
· (21mA)
2
= 2.2
μ
W
AAT2550
Total Power Solution for Portable Applications
2550.2006.07.1.0
33
相關PDF資料
PDF描述
AAT2554 Total Power Solution for Portable Applications
AAT2554IRN-CAP-T1 Total Power Solution for Portable Applications
AAT2554IRN-CAQ-T1 Total Power Solution for Portable Applications
AAT2554IRN-CAT-T1 Total Power Solution for Portable Applications
AAT2554IRN-CAW-T1 Total Power Solution for Portable Applications
相關代理商/技術(shù)參數(shù)
參數(shù)描述
AAT2550_08 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Total Power Solution for Portable Applications
AAT2550ISK-CAA-T1 制造商:Skyworks Solutions Inc 功能描述:Voltage Regulators - Switching Regulators 2 step-down conv + battery charger 制造商:Skyworks Solutions Inc 功能描述:DC TO DC CONVERTER
AAT2552 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Total Power Solution for Portable Applications
AAT2552_08 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Total Power Solution for Portable Applications
AAT2552IRN-CAE-T1 功能描述:電荷泵 Total Pwr Solution for Portable App RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube