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AAT3242 Datasheet(PDF) 4 Page - Advanced Analogic Technologies

Part No. AAT3242
Description  300mA/150mA Dual CMOS LDO Linear Regulator
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Maker  ANALOGICTECH [Advanced Analogic Technologies]
Homepage  http://www.analogictech.com
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AAT3242 Datasheet(HTML) 4 Page - Advanced Analogic Technologies

 
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AAT3242
300mA/150mA Dual CMOS LDO Linear Regulator
4
3242.2005.01.1.4
Electrical Characteristics
1
VIN = VOUT(NOM) + 1.0 V for VOUT options greater than 1.5V. VIN = 2.5V for VOUT ≤ 1.5 V. IOUT = 1.0mA, COUT
= 2.2 µF, CIN = 1.0 µF, TA = -40°C to +85°C, unless otherwise noted. Typical values are TA = 25°C.
Notes:
1: The AAT3242 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured
by design, characterization, and correlation with statistical process controls.
2: VDO is defined as VIN - VOUT when VOUT is 98% of nominal.
3: For VOUT <2.1V, VDO = 2.5 - VOUT.
4: CIN = 10µF.
5: To calculate minimum input voltage, use the following equation: VIN(MIN) = VOUT(MAX) + VDO(MAX) as long as VIN ≥ 2.5V.
Symbol
Description
Conditions
Min
Typ Max
Units
LDO A; I
OUT = 300mA
VOUT
Output Voltage Tolerance
IOUT = 1mA TA = 25°C
-1.5
1.5
%
to 300mA
TA = -40 to 85°C
-2.5
2.5
VIN
Input Voltage
VOUT + VDO5
5.5
V
VDO
Dropout Voltage 2,3
IOUT = 300mA
400 600
mV
∆VOUT/
Line Regulation 4
VIN = VOUT + 1 to 5.0 V
0.09
%/V
VOUT*∆VIN
∆VOUT(Line)
Dynamic Line Regulation
IOUT = 300mA, VIN = VOUT + 1
5.0
mV
to VOUT + 2, TR/TF = 2µS
∆VOUT(Load) Dynamic Load Regulation
IOUT = 1mA to 300mA,
60
mV
TR <5µS
VEN(L)
Enable Threshold Low
0.6
V
VEN(H)
Enable Threshold High
1.5
V
VPOK
Power OK Trip Threshold
VOUT Rising, TA = 25°C
90
94
98
% of VOUT
VPOKHYS
Power OK Hysteresis
1.0
% of VOUT
VPOK(LO)
Power OK Output Voltage Low
ISINK = 1mA
0.4
V
IPOK
POK Output Leakage Current
VPOK <5.5V, VOUT in Regulation
1.0
µA
IOUT
Output Current
VOUT > 1.2V
300
mA
ISC
Short-Circuit Current
VOUT < 0.4V
600
mA
IQ
Ground Current
VIN =5V, No Load; EN A = VIN
70
125
µA
ISD
Shutdown Current
VIN = 5V, EN A = 0V
1.0
µA
1kHz
65
PSRR
Power Supply Rejection Ratio
IOUT =10mA 10kHz
45
dB
1MHz
42
TSD
Over-Temperature Shutdown
145
°C
Threshold
THYS
Over-Temperature Shutdown
12
°C
Hysteresis
eN
Output Noise
eNBW = 300Hz to 50kHz
250
µVRMS
TC
Output Voltage Temperature
22
ppm/°C
Coefficient


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