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| AAT1150_06 Datasheet, PDF (4/17 Pages) Advanced Analogic Technologies – 1MHz 1A Step-Down DC/DC Converter | |||
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AAT1150
1MHz 1A 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
ÎVOUT (VOUT*ÎVIN)
ÎVOUT/VOUT
VUVLO
VUVLO(HYS)
IQ
ISHDN
ILIM
RDS(ON)H
RDS(ON)L
η
VEN(L)
VEN(H)
IEN
FOSC
TSD
THYS
Input Voltage Range
Output Voltage Tolerance
Load Regulation
Line Regulation
Under-Voltage Lockout
Under-Voltage Lockout Hysteresis
Quiescent Supply Current
Shutdown Current
Current Limit
High Side Switch On Resistance
Low Side Switch On Resistance
Efficiency
Enable Low Voltage
Enable High Voltage
Enable Pin Leakage Current
Oscillator Frequency
Over-Temperature Shutdown
Threshold
Over-Temperature Shutdown
Hysteresis
VIN = VOUT + 0.3 to 5.5V,
IOUT = 0 to 1A
VIN = 4.2V, ILOAD = 0 to 1A
VIN = 2.7V to 5.5V
VIN Rising
VIN Falling
No Load, VFB = 0
VEN = 0V, VIN = 5.5V
TA = 25°C
TA = 25°C
TA = 25°C
VIN = 5V, VOUT = 3.3V,
IOUT = 600mA
VIN = 2.7V to 5.5V
VIN = 2.7V to 5.5V
VEN = 5.5V
TA = 25°C
Min Typ Max Units
2.7
5.5
V
-4.0
4.0
%
3.0
%
0.2
%/V
2.5
V
1.2
250
mV
160 300 μA
1.0 μA
1.2
A
110 150 mΩ
100 150 mΩ
93
%
0.6
V
1.4
V
1.0 μA
700 1000 1200 kHz
140
°C
15
°C
4
1150.2006.09.1.5
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