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AAT1156 Datasheet(PDF) 4 Page - Advanced Analogic Technologies

Part # AAT1156
Description  1MHz 700mA Step-Down DC-DC Converter
PDF  14 Pages
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Manufacturer  ANALOGICTECH [Advanced Analogic Technologies]
Direct Link  http://www.analogictech.com
Logo ANALOGICTECH - Advanced Analogic Technologies

AAT1156 Datasheet(HTML) 4 Page - Advanced Analogic Technologies

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Electrical Characteristics
V
IN = 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
V
IN
Input Voltage Range
2.7
5.5
V
V
OUT
Output Voltage Tolerance
V
IN = VOUT + 0.2 to 5.5V,
-3
3
%
I
OUT = 0 to 700mA
V
IL
Input Low Voltage
0.6
V
V
IH
Input High Voltage
1.4
V
V
UVLO
Under-Voltage Lockout
V
IN Rising, VEN = VCC
2.5
V
V
IN Falling, VEN = VCC
1.2
V
UVLO(HYS)
Under-Voltage Lockout Hysteresis
250
mV
I
IL
Input Low Current
V
IN = VFB = 5.5V
1.0
µA
I
IH
Input High Current
V
IN = VFB = 0V
1.0
µA
I
Q
Quiescent Supply Current
No Load, LL = 0V; V
FB = 0V,
220
350
µA
V
IN = 4.2V, TA = 25°C
I
SHDN
Shutdown Current
V
EN = 0V, VIN = 5.5V
1.0
µA
I
LIM
Current Limit
T
A = 25°C
1.2
A
R
DS(ON)H
High Side Switch On Resistance
T
A = 25°C
110
150
m
Ω
R
DS(ON)L
Low Side Switch On Resistance
T
A = 25°C
100
150
m
Ω
∆V
OUT(VOUT*∆VIN)
Load Regulation
V
IN = 4.2V, ILOAD = 0 to 700mA
±0.9
%
DV
OUT/VOUT
Line Regulation
V
IN = 2.7 to 5.5V
±0.1
%/V
F
OSC
Oscillator Frequency
T
A = 25°C
750
1000
1350
kHz
T
SD
Over-Temperature Shutdown
140
°C
Threshold
T
HYS
Over-Temperature Shutdown
15
°C
Hysteresis
AAT1156
1MHz 700mA Step-Down DC-DC Converter
4
1156.2005.11.1.2



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