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AAT3242 데이터시트(HTML) 5 Page - Advanced Analog Technology, Inc.

부품명 AAT3242
상세내용  300mA/150mA Dual CMOS LDO Linear Regulator
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제조사  AAT [Advanced Analog Technology, Inc.]
홈페이지  http://www.aatech.com.tw
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AAT3242 데이터시트(HTML) 5 Page - Advanced Analog Technology, Inc.

 
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AAT3242
300mA/150mA Dual CMOS LDO Linear Regulator
3242.2006.04.1.10
5
Electrical Characteristics1 (continued)
VIN = VOUT(NOM) + 1.0V for VOUT options greater than 1.5V. VIN = 2.5V for VOUT ≤ 1.5V. IOUT = 1.0mA, COUT =
2.2µF, CIN = 1.0µF, TA = -40°C to +85°C, unless otherwise noted. Typical values are TA = 25°C.
Symbol
Description
Conditions
Min
Typ Max
Units
LDO B; IOUT = 150mA
VOUT
Output Voltage Tolerance
IOUT = 1mA TA = 25°C
-1.5
1.5
%
to 150mA
TA = -40 to 85°C
-2.5
2.5
VIN
Input Voltage
VOUT + VDO5
5.5
V
VDO
Dropout Voltage2, 3
IOUT = 150mA
200
300
mV
ΔVOUT/
Line Regulation4
VIN = VOUT + 1 to 5.0 V
0.09
%/V
VOUT*ΔVIN
ΔVOUT(Line)
Dynamic Line Regulation
IOUT = 150mA, VIN = VOUT + 1
5.0
mV
to VOUT + 2, TR/TF = 2µS
ΔVOUT(Load)
Dynamic Load Regulation
IOUT = 1mA to 150mA, TR <5µS
60
mV
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
150
mA
ISC
Short-Circuit Current
VOUT < 0.4V
600
mA
IQ
Ground Current
VIN = 5V, No Load; EN B = VIN
70
125
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
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 < 2.3V, 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.


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