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| AAT1156 Datasheet, PDF (4/14 Pages) Advanced Analogic Technologies – 1MHz 700mA Step-Down DC-DC Converter | |||
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AAT1156
1MHz 700mA Step-Down DC-DC Converter
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
VIN
VOUT
VIL
VIH
VUVLO
VUVLO(HYS)
IIL
IIH
IQ
ISHDN
ILIM
RDS(ON)H
RDS(ON)L
âVOUT(VOUT*âVIN)
DVOUT/VOUT
FOSC
TSD
THYS
Input Voltage Range
Output Voltage Tolerance
Input Low Voltage
Input High Voltage
Under-Voltage Lockout
Under-Voltage Lockout Hysteresis
Input Low Current
Input High Current
Quiescent Supply Current
Shutdown Current
Current Limit
High Side Switch On Resistance
Low Side Switch On Resistance
Load Regulation
Line Regulation
Oscillator Frequency
Over-Temperature Shutdown
Threshold
Over-Temperature Shutdown
Hysteresis
VIN = VOUT + 0.2 to 5.5V,
IOUT = 0 to 700mA
VIN Rising, VEN = VCC
VIN Falling, VEN = VCC
VIN = VFB = 5.5V
VIN = VFB = 0V
No Load, LL = 0V; VFB = 0V,
VIN = 4.2V, TA = 25°C
VEN = 0V, VIN = 5.5V
TA = 25°C
TA = 25°C
TA = 25°C
VIN = 4.2V, ILOAD = 0 to 700mA
VIN = 2.7 to 5.5V
TA = 25°C
Min
2.7
-3
1.4
1.2
1.2
750
Typ
250
220
110
100
±0.9
±0.1
1000
140
15
Max Units
5.5 V
3
%
0.6 V
V
2.5
V
mV
1.0 µA
1.0 µA
350 µA
1.0 µA
A
150 mâ¦
150 mâ¦
%
%/V
1350 kHz
°C
°C
4
1156.2005.11.1.2
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