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AAT3218 Datasheet(PDF) 4 Page - Advanced Analogic Technologies

Part No. AAT3218
Description  150mA MicroPower™ High Performance LDO
Download  18 Pages
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Maker  ANALOGICTECH [Advanced Analogic Technologies]
Homepage  http://www.analogictech.com
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AAT3218 Datasheet(HTML) 4 Page - Advanced Analogic Technologies

 
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Electrical Characteristics
VIN = VOUT(NOM) + 1V for VOUT options greater than 1.5V. VIN = 2.5 for VOUT ≤1.5V. IOUT = 1mA, COUT = 2.2µF,
CIN = 1µF, TA = -40°C to +85°C, unless otherwise noted. Typical values are TA = 25°C.
Symbol
Description
Conditions
Min
Typ
Max Units
VOUT
Output Voltage Tolerance
IOUT = 1mA
TA = 25°C
-1.5
1.5
%
to150mA
TA = -40°C to 85°C
-2.5
2.5
IOUT
Output Current
VOUT > 1.2V
150
mA
VDO
Dropout Voltage1, 2
IOUT = 150mA
200
300
mV
ISC
Short-Circuit Current
VOUT < 0.4V
600
mA
IQ
Ground Current
VIN = 5V, No Load, EN = VIN
70
125
µA
ISD
Shutdown Current
VIN = 5V, EN = 0V
1
µA
ΔVOUT/
Line Regulation
VIN = VOUT + 1 to 5.0V
0.09
%/V
VOUT*ΔVIN
ΔVOUT(line) Dynamic Line Regulation
VIN = VOUT + 1V to VOUT + 2V,
2.5
mV
IOUT = 150mA, TR/TF = 2µs
ΔVOUT(load) Dynamic Load Regulation
IOUT = 1mA to 150mA, TR< 5µs
30
mV
tENDLY
Enable Delay Time
BYP = Open
15
µs
VEN(L)
Enable Threshold Low
0.6
V
VEN(H)
Enable Threshold High
1.5
V
IEN
Leakage Current on Enable Pin
VEN = 5V
1
µA
1 kHz
67
PSRR
Power Supply Rejection Ratio
IOUT = 10mA,
10kHz
47
dB
CBYP = 10nF
1MHz
45
TSD
Over-Temperature Shutdown
145
°C
Threshold
THYS
Over-Temperature Shutdown
12
°C
Hysteresis
eN
Output Noise
Noise Power BW = 300Hz - 50kHz
50
µVrms
TC
Output Voltage Temperature
22
ppm/°C
Coefficient
AAT3218
150mA MicroPower™ High Performance LDO
4
3218.2006.04.1.8
1. VDO is defined as VIN - VOUT when VOUT is 98% of nominal.
2. For VOUT < 2.3V, VDO = 2.5V - VOUT.


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