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| AAT1106_07 Datasheet, PDF (4/18 Pages) Advanced Analogic Technologies – 600mA Step-Down Converter | |||
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AAT1106
600mA Step-Down Converter
Electrical Characteristics
VIN = VEN = 3.6V, TA = 25°C, unless otherwise noted.
Symbol Description
Step-Down Converter
VIN Input Voltage Range
IQ
Input DC Supply Current
VFB Regulated Feedback Voltage
IFB
VOUT
FB Input Bias Current
Regulated Output Voltage
âVOUT/ Output Voltage Line
VOUT/âVIN Regulation
âVOUT/ Output Voltage Load
VOUT/âIOUT Regulation
ILIM Maximum Output Current
FOSC Oscillator Frequency
TS
Startup Time
RDS(ON)
P-Channel MOSFET
N-Channel MOSFET
Peak Inductor Current
VEN(L)
VEN(H)
IEN
TSD
THYS
Output Over-Voltage Lockout
Enable Threshold Low
Enable Threshold High
Input Low Current
Over-Temperature Shutdown
Threshold
Over-Temperature Shutdown
Hysteresis
Conditions
Active Mode, VFB = 0.5V
Shutdown Mode, VFB = 0V, VIN = 4.2V
TA = 25°C
TA = 0°C ⤠TA ⤠+85°C
TA = -40°C ⤠TA ⤠+85°C
VFB = 0.65V
AAT1106ICB-1.5, -40°C ⤠TA ⤠85°C
AAT1106ICB-1.8, -40°C ⤠TA ⤠85°C
VIN = 2.5V to 5.5V, IOUT = 10mA
IOUT = 10mA to 600mA
VIN = 3.0V
VFB = 0.6V or VOUT = 100%
From Enable to Output
Regulation
ILX = 300mA
ILX = 300mA
VIN = 3V, VFB = 0.5V or VOUT = 90%;
Duty Cycle <35%
âVOVL = VOVL - VFB
Min Typ Max Units
2.5
5.5
V
270
400
µA
0.08 1.0
0.5880 0.6000 0.6120
0.5865 0.6000 0.6135 V
0.5850 0.6000 0.6150
-30
30
nA
1.455 1.500 1.545
V
1.746 1.800 1.854
0.11 0.40 %/V
0.0015
%/mA
600
1.2
1.5
mA
1.8 MHz
100
µs
0.30 0.50
0.20 0.45
â¦
1.20
A
60
mV
0.4
V
1.4
V
-1.0
1.0 µA
150
°C
15
°C
1. 100% production test at +25°C. Specifications over the temperature range are guaranteed by design and characterization.
4
1106.2007.07.1.0
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