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參數(shù)資料
| 型號(hào)： | AAT1121 |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | 1.5MHz, 250mA Step-Down Converter |
| 中文描述： | 1.5MHz的，250mA降壓轉(zhuǎn)換器 |
| 文件頁數(shù)： | 4/20頁 |
| 文件大?。?/td> | 534K |
| 代理商： | AAT1121 |
AAT1121
1.5MHz, 250mA Step-Down Converter
4
1121.2007.03.1.2
1121.2006.10.1.2
Electrical Characteristics
1
V
IN
= 3.6V, T
A
= -40°C to +85°C, unless otherwise noted; typical values are T
A
= 25°C.
Symbol
V
IN
Description
Input Voltage
Conditions
Min
2.7
Typ
Max
5.5
2.6
Units
V
V
mV
V
%
V
IN
Rising
Hysteresis
V
IN
Falling
I
OUT
= 0 to 250mA,
V
IN
= 2.7V to 5.5V
V
UVLO
UVLO Threshold
250
2.0
-3.0
V
OUT
Output Voltage Tolerance
2
3.0
V
OUT
I
Q
I
SHDN
I
LIM
R
DS(ON)H
R
DS(ON)L
I
LXLEAK
Δ
V
Linereg
/
Δ
V
IN
V
FB
I
FB
F
OSC
Output Voltage Range
Quiescent Current
Shutdown Current
P-Channel Current Limit
High-Side Switch On Resistance
Low-Side Switch On Resistance
LX Leakage Current
Line Regulation
Feedback Threshold Voltage Accuracy
FB Leakage Current
Oscillator Frequency
0.6
V
IN
V
μA
μA
mA
Ω
Ω
μA
%/V
V
μA
MHz
No Load
EN = GND
30
1.0
600
0.59
0.42
V
IN
= 5.5V, V
LX
= 0 to V
IN
V
IN
= 2.7V to 5.5V
V
IN
= 3.6V
V
OUT
= 1.0V
1.0
0.2
0.600
0.591
0.609
0.2
1.5
T
S
Startup Time
From Enable to Output
Regulation
100
μs
T
SD
T
HYS
V
EN(L)
V
EN(H)
I
EN
Over-Temperature Shutdown Threshold
Over-Temperature Shutdown Hysteresis
Enable Threshold Low
Enable Threshold High
Input Low Current
140
15
°C
°C
V
V
μA
0.6
1.4
-1.0
V
IN
= V
EN
= 5.5V
1.0
1. The AAT1121 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured
by design, characterization, and correlation with statistical process controls.
2. Output voltage tolerance is independent of feedback resistor network accuracy.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AAT1121_07 | 1.5MHz, 250mA Step-Down Converter |
| AAT1121IES-0.6-T1 | 1.5MHz, 250mA Step-Down Converter |
| AAT1121IPS-0.6-T1 | 1.5MHz, 250mA Step-Down Converter |
| AAT1123_07 | 1MHz Step-Down Converter |
| AAT1123IJS-0.6-T1 | 1MHz Step-Down Converter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AAT1121_07 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:1.5MHz, 250mA Step-Down Converter |
| AAT1121IES-0.6-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:1.5MHz, 250mA Step-Down Converter |
| AAT1121IPS-0.6-T1 | 制造商:SKYWORKS SOLUTIONS INC 功能描述:0.6VADJ 1.5MHZ STEP DOWN TDFN22- TR 制造商:Skyworks Solutions Inc 功能描述:DC TO DC CONVERTER |
| AAT1123 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:1MHz Step-Down Converter |
| AAT1123_07 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:1MHz Step-Down Converter |
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