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AAT1154 数据表(PDF) 4 Page - Advanced Analogic Technologies

部件名 AAT1154
功能描述  1MHz 3A Step-Down DC/DC Converter
Download  16 Pages
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制造商  ANALOGICTECH [Advanced Analogic Technologies]
网页  http://www.analogictech.com
标志 ANALOGICTECH - Advanced Analogic Technologies

AAT1154 数据表(HTML) 4 Page - Advanced Analogic Technologies

  AAT1154_06 Datasheet HTML 1Page - Advanced Analogic Technologies AAT1154_06 Datasheet HTML 2Page - Advanced Analogic Technologies AAT1154_06 Datasheet HTML 3Page - Advanced Analogic Technologies AAT1154_06 Datasheet HTML 4Page - Advanced Analogic Technologies AAT1154_06 Datasheet HTML 5Page - Advanced Analogic Technologies AAT1154_06 Datasheet HTML 6Page - Advanced Analogic Technologies AAT1154_06 Datasheet HTML 7Page - Advanced Analogic Technologies AAT1154_06 Datasheet HTML 8Page - Advanced Analogic Technologies AAT1154_06 Datasheet HTML 9Page - Advanced Analogic Technologies Next Button
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Electrical Characteristics
VIN = VCC = VP = 5V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = 25°C.
Symbol
Description
Conditions
Min Typ Max Units
VIN
Input Voltage Range
2.7
5.5
V
VOUT
Output Voltage Tolerance
VIN = VOUT + 0.2V to 5.5V,
-5.0
5.0
%
IOUT = 0A to 3A
VUVLO
Under-Voltage Lockout
VIN Rising
2.5
V
VIN Falling
1.2
VUVLO(HYS)
Under-Voltage Lockout Hysteresis
250
mV
IQ
Quiescent Supply Current
No Load, VFB = 0V
630
1000
µA
ISHDN
Shutdown Current
VEN = 0V, VIN = 5.5V
1.0
µA
ILIM
Current Limit
TA = 25°C
4.4
A
RDS(ON)H
High Side Switch On Resistance
TA = 25°C
60
m
Ω
η
Efficiency
IOUT = 1A
92
%
ΔVOUT (VOUT*ΔVIN) Load Regulation
ILOAD = 0A to 3A
±2.6
%
ΔVOUT/VOUT
Line Regulation
VIN = 2.7V to 5.5V
0.75
%/V
FOSC
Oscillator Frequency
TA = 25°C
1
MHz
VEN(L)
Enable Threshold Low
0.6
V
VEN(H)
Enable Threshold High
1.4
V
TSD
Over-Temperature Shutdown
140
°C
Threshold
THYS
Over-Temperature Shutdown
15
°C
Hysteresis
AAT1154
1MHz 3A Step-Down DC/DC Converter
4
1154.2006.09.1.6


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