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參數資料
| 型號： | AAT2506IWP-AQ-T1 |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | 1MHz Step-Down Converter/LDO Regulator |
| 中文描述： | 1MHz的降壓轉換器/ LDO穩壓器 |
| 文件頁數： | 1/26頁 |
| 文件大小： | 697K |
| 代理商： | AAT2506IWP-AQ-T1 |
AAT2506
1MHz Step-Down Converter/LDO Regulator
2506.2006.05.1.3
1
SystemPower
Typical Application
AAT2506 Step-Down Converter Efficiency
(V
OUT
= 2.5V; L = 10
μ
H)
Output Current (mA)
E
60
70
80
90
100
0.1
1
10
100
1000
V
IN
= 3.3V
4.7
μ
H
L1
C1
22
μ
F
2.2
μ
F
C4
10
μ
F
C3
10nF
C5
PGND
1
LX
2
VP
3
VCC
4
ENLDO
9
EN
10
FB
11
SGND
12
VLDO
5
OUT
6
GND
8
BYP
7
AAT2506
U1
L1 Sumida CDRH3D16-4R7
C1 Murata GRM219R61A475KE19
C3 Murata GRM21BR60J106KE19
V
IN
= 2.7V to 5.5V
3.3V at 300mA
General Description
The AAT2506 is a member of AnalogicTech's Total
Power Management IC (TPMIC) product fam-
ily. It is a low dropout (LDO) linear regulator and a
step-down converter with an input voltage range of
2.7V to 5.5V, making it ideal for applications with
single lithium-ion/polymer batteries.
The LDO has an independent input and is capable
of delivering up to 300mA. The linear regulator has
been designed for high-speed turn-on and turn-off
performance, fast transient response, and good
power supply rejection ratio (PSRR). Other fea-
tures include low quiescent current and a low
dropout voltage.
The AAT2506 is available in either a fixed version
with internal feedback or a programmable version
with external feedback resistors. It can deliver
600mA of load current while maintaining a low
25μA no load quiescent current. The 1MHz switch-
ing frequency minimizes the size of external com-
ponents while keeping switching losses low. The
AAT2506 feedback and control delivers excellent
load regulation and transient response with a small
output inductor and capacitor.
The AAT2506 is designed to maintain high efficien-
cy throughout the operating range, which is critical
for portable applications.
The AAT2506 is available in a 12-pin TDFN33
package, and is rated over a temperature range of
-40°C to +85°C.
Features
V
IN
Range: 2.7V to 5.5V
V
OUT
Range: 0.6V to V
IN
300mA LDO Current Output
400mV LDO Dropout Voltage at 300mA
High Output Accuracy: ±1.5%
Fast LDO Line / Load Transient Response
600mA, 97% Efficiency Step-Down Converter
Fast Turn-On Time (100μs Typical)
25μA No Load Quiescent Current for Step-
Down Converter
Shutdown Current <1μA
Low R
DS(ON)
0.4
Ω
Integrated Power Switches
100% Duty Cycle Low Dropout Operation
1MHz Switching Frequency
100μs Typical Soft Start
Over-Temperature Protection
Current Limit Protection
Available in 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
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|---|---|
| AAT2506IWP-AW-T1 | 1MHz Step-Down Converter/LDO Regulator |
| AAT2511 | Dual 600mA, 1MHz Step-Down DC/DC Converter |
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| AAT2511IWP-AA-T1 | Dual 600mA, 1MHz Step-Down DC/DC Converter |
| AAT3215IGV-2.5-T1 | 150mA CMOS High Performance LDO |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AAT2506IWP-AW-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:1MHz Step-Down Converter/LDO Regulator |
| AAT2510 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Dual 400mA, 1MHz Step-Down DC-DC Converter |
| AAT2510_06 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Dual 400mA, 1MHz Step-Down DC-DC Converter |
| AAT2510IWP-AA-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Dual 400mA, 1MHz Step-Down DC-DC Converter |
| AAT2510IWP-AW-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Dual 400mA, 1MHz Step-Down DC-DC Converter |
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