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參數(shù)資料
| 型號(hào)： | AAT2500M |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 英文描述： | 400mA Step-Down Converter and 300mA LDO |
| 中文描述： | 400mA的降壓轉(zhuǎn)換器和300mA的LDO |
| 文件頁(yè)數(shù)： | 4/22頁(yè) |
| 文件大?。?/td> | 547K |
| 代理商： | AAT2500M |
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AAT2500M
400mA Step-Down Converter and 300mA LDO
4
2500M.2007.06.1.0
Electrical Characteristics
1
V
IN_BUCK
= V
IN_LDO
= 5.0V. T
A
= -40°C to +85°C unless noted otherwise. Typical values are at T
A
= +25°C.
Symbol
Power Supply
V
INBUCK
,
V
INLDO
Description
Conditions
Min
Typ
Max
Units
Input Voltage
2.7
5.5
V
V
UVLO
Under-Voltage Lockout
V
IN
Rising
V
IN
Falling
V
EN
= V
IN
, No Load
V
EN
= GND
2.7
V
V
μA
μA
2.35
130
I
Q
Quiescent Current
Shutdown Current
I
SHDN
1.0
Step-Down Converter
V
FB
Feedback Voltage Tolerance
`
LX Reverse Leakage Current
Feedback Leakage
P-Channel Current Limit
High Side Switch On Resistance
Low Side Switch On Resistance
Load Regulation
Line Regulation
Oscillator Frequency
Start-Up Time
LDO (V
OUT
= 3.3V)
V
OUT
Output Voltage Tolerance
V
OUT
Output Voltage Range
No Load, T
A
= 25°C
I
OUT
= 0 to 400mA; V
IN
= 2.7 to 5.5V
V
IN
= 5.5V, V
LX
= 0 to V
IN
, V
EN
= GND
V
FB
= 1.0 V
0.591
-3
-1.0
0.609
+3
1.0
0.2
V
%
μA
μA
A
%
%
MHz
μs
I
LXLEAK
I
FB
I
LIM
R
DS(ON)H
R
DS(ON)L
V
OUT
/V
OUT
V
OUT
/V
OUT
F
OSC
T
S
1.2
0.4
0.25
0.25
0.3
1.8
120
I
LOAD
= 0 to 400mA
V
IN
= 2.7V to 5.5V
From Enable to Output Regulation
No Load, 25°C
I
OUT
= 0 to 300mA
3.24
-3
V
OUT
+
V
DO
300
3.30
3.36
3
V
%
V
IN
Input Voltage
5.5
V
2
I
OUT
I
LIM
V
DO
Output Current
Current Limit
Dropout Voltage
3
Load Regulation
Line Regulation
Start-Up Time
mA
A
mV
%
%
μs
1
I
OUT
= 300mA
I
LOAD
= 0 to 300mA
V
IN
= 3.7V to 5.5V
From Enable to Output Regulation
160
1.2
0.6
100
240
V
OUT
/V
OUT
V
OUT
/V
OUT
T
S
Logic Signals
V
EN(L)
V
EN(H)
I
EN(H)
Enable Threshold Low
Enable Threshold High
Enable Current Consumption
Over-Temperature Shutdown
Threshold
Over-Temperature Shutdown
Hysteresis
0.6
V
V
μA
1.5
-1.0
1.0
T
SD
150
°
C
T
HYS
15
°
C
1. Specification over the -40°C to +85°C operating temperature ranges is assured by design, characterization and correlation with sta-
tistical process controls.
2. To calculate the minimum LDO input voltage, use the following equation: V
IN(MIN)
= V
OUT(MAX)
+ V
DO(MAX)
.
3. V
DO
is defined as V
IN
- V
OUT
when V
OUT
is 98% of nominal.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AAT2500MITP-AW-T1 | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 400mA Step-Down Convrt + 300mA LDO RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| AAT2503 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Adjustable 3-Channel Regulator |
| AAT2503_08 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Adjustable 3-Channel Regulator |
| AAT2503IZL-BAA-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Adjustable 3-Channel Regulator |
| AAT2504 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Adjustable 3-Channel Regulator |
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