參數資料
型號: AAT1155IKS-1.0-T1
廠商: Advanced Analogic Technologies, Inc.
英文描述: 1MHz 2.5A Step-Down DC/DC Converter
中文描述: 1MHz的2.5A降壓型DC / DC轉換器
文件頁數: 4/17頁
文件大?。?/td> 401K
代理商: AAT1155IKS-1.0-T1
Electrical Characteristics
V
IN
= V
CC
= V
P
= 5V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are T
A
= 25°C.
Symbol
V
IN
V
OUT
Description
Input Voltage Range
Output Voltage Tolerance
Conditions
Min
2.7
-2.5
Typ
Max Units
5.5
2.5
V
%
V
IN
= V
OUT
+ 0.2 to 5.5V,
I
OUT
= 0.5A
V
IL
V
IH
Input Low Voltage
Input High Voltage
0.6
V
V
1.4
V
UVLO
Under-Voltage Lockout
V
IN
Rising
V
IN
Falling
2.5
V
1.2
V
UVLO(HYS)
I
Q
I
SHDN
I
LIM
R
DS(ON)L
η
V
OUT
(V
OUT
*
V
IN
)
V
OUT
/V
OUT
F
OSC
T
SD
Under-Voltage Lockout Hysteresis
Quiescent Supply Current
Shutdown Current
Current Limit
High Side Switch On Resistance
Efficiency
Load Regulation
Line Regulation
Oscillator Frequency
Over-Temperature Shutdown
Threshold
Over-Temperature Shutdown
Hysteresis
250
630
mV
μA
μA
A
m
%
%
%/V
MHz
°C
No Load, V
FB
= 0V
V
EN
= 0V, V
IN
= 5.5V
T
A
= 25°C
T
A
= 25°C
I
OUT
= 1.0A
I
LOAD
= 0A to 2.5A
V
IN
= 2.7V to 5.5V
T
A
= 25°C
1000
1.0
4.4
60
92
±
2.3
0.75
1
140
T
HYS
15
°C
AAT1155
1MHz 2.5A Step-Down DC/DC Converter
4
1155.2005.11.1.6
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