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參數(shù)資料
| 型號(hào)： | AAT2510IWP-IH-T1 |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | Dual 400mA, 1MHz Step-Down DC-DC Converter |
| 中文描述： | 雙400mA的1MHz的降壓型DC - DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 614K |
| 代理商： | AAT2510IWP-IH-T1 |
AAT2510
Dual 400mA, 1MHz Step-Down DC-DC Converter
2510.2005.08.1.5
1
SysPwr
General Description
The AAT2510 is a member of AnalogicTech's Total
Power Management IC (TPMIC) product fam-
ily. It is comprised of two 1MHz step-down con-
verters designed to minimize external component
size and cost. The input voltage ranges from 2.7V
to 5.5V. The output voltage ranges from 0.6V to the
maximum applied input voltage and is either fixed
or externally adjustable.
Peak current mode control with internal compensa-
tion provides a stable converter with low ESR ceram-
ic output capacitors for extremely low output ripple.
Each channel has a low 25μA quiescent operating
current, which is critical for maintaining high effi-
ciency at light load.
For maximum battery life, each converter's high-
side P-channel MOSFET conducts continuously
when the input voltage approaches dropout (100%
duty cycle operation).
Both regulators have independent input and
enable inputs.
The AAT2510 is available in a thermally-enhanced
12-pin TDFN33 package, and is rated over the -40°C
to +85°C temperature range.
Features
Up to 96% Efficiency
25μA Quiescent Current Per Channel
V
IN
Range: 2.7V to 5.5V
Fixed V
OUT
Range: 0.6V to V
IN
Adjustable V
OUT
Range: 0.6V to 2.5V
Output Current: 400mA
Low R
DS(ON)
0.4
Integrated Power Switches
Low Drop Out 100% Duty Cycle
1.0MHz Switching Frequency
Shutdown Current <1μA
Current Mode Operation
Internal Reference Soft Start
Short-Circuit Protection
Over-Temperature Protection
3mm x 3mm, < 1mm high
TDFN33-12 Package
-40°C to +85°C Temperature Range
Applications
Cellular Phones
Digital Cameras
Handheld Instruments
Microprocessor/DSP Core/IO Power
PDAs and Handheld Computers
Portable Media Players
Typical Application
AAT2510 Efficiency
Load Current (mA)
E
60
65
70
75
80
85
90
95
100
0.1
1
10
100
1000
2.5V
1.8V
V
IN
= 3.3V with unloaded output disabled
4.7
μ
H
L1
4.7
μ
F
C1
2.5V at 400mA
4.7
μ
H
L2
4.7
μ
F
C2
1.8V at 400mA
10
μ
F
C3
V
IN
= 2.7 - 5.5V
0.1
μ
F
C8
FB1
2
EN1
1
LX1
11
GND2
7
LX2
8
GND1
10
SGND1
3
VIN1
12
VIN2
9
SGND2
6
FB2
5
EN2
4
AAT2510
U1
L1,L2 Sumida CDRH3D16-4R7 C1,C2 Murata GRM219R61A475KE19
C3 Murata GRM21BR60J106KE19
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AAT2511 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Dual 600mA, 1MHz Step-Down DC/DC Converter |
| AAT2511_0605 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Dual 600mA, 1MHz Step-Down DC/DC Converter |
| AAT2511IWP | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Dual 600mA, 1MHz Step-Down DC/DC Converter |
| AAT2511IWP-AA-T1 | 制造商:Skyworks Solutions Inc 功能描述:DC TO DC CONVERTER |
| AAT2512 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Dual 400mA High Frequency Buck Converter |
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