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AAT3242ITP-IP-T1 参数 Datasheet PDF下载

AAT3242ITP-IP-T1图片预览
型号: AAT3242ITP-IP-T1
PDF下载: 下载PDF文件 查看货源
内容描述: 300毫安/ 150毫安双CMOS LDO线性稳压器 [300mA/150mA Dual CMOS LDO Linear Regulator]
分类和应用: 稳压器调节器输出元件
文件页数/大小: 16 页 / 261 K
品牌: AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
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AAT3242  
300mA/150mA Dual CMOS LDO Linear Regulator  
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  
LDO B; IOUT = 150mA  
Conditions  
Min  
Typ Max  
Units  
I
OUT = 1mA TA = 25°C  
-1.5  
-2.5  
VOUT + VDO  
1.5  
2.5  
5.5  
VOUT  
Output Voltage Tolerance  
%
to 150mA  
TA = -40 to 85°C  
5
VIN  
Input Voltage  
V
VDO  
ΔVOUT  
Dropout Voltage2, 3  
Line Regulation4  
IOUT = 150mA  
VIN = VOUT + 1 to 5.0 V  
200 300  
0.09  
mV  
%/V  
/
VOUT*ΔVIN  
ΔVOUT(Line) Dynamic Line Regulation  
IOUT = 150mA, VIN = VOUT + 1  
to VOUT + 2, TR/TF = 2µS  
5.0  
mV  
ΔVOUT(Load) Dynamic Load Regulation  
IOUT = 1mA to 150mA, TR <5µS  
60  
mV  
VEN(L)  
VEN(H)  
VPOK  
VPOKHYS  
VPOK(LO)  
IPOK  
Enable Threshold Low  
Enable Threshold High  
Power OK Trip Threshold  
Power OK Hysteresis  
Power OK Output Voltage Low  
POK Output Leakage Current  
Output Current  
0.6  
V
1.5  
90  
V
% of VOUT  
% of VOUT  
V
VOUT Rising, TA = 25°C  
94  
1.0  
98  
ISINK = 1mA  
VPOK < 5.5V, VOUT in Regulation  
VOUT > 1.2V  
0.4  
1.0  
µA  
mA  
IOUT  
150  
ISC  
Short-Circuit Current  
VOUT < 0.4V  
600  
mA  
IQ  
Ground Current  
VIN = 5V, No Load; EN B = VIN  
1kHz  
IOUT = 10mA 10kHz  
1MHz  
70 125  
65  
45  
42  
145  
µA  
PSRR  
TSD  
Power Supply Rejection Ratio  
dB  
°C  
°C  
Over-Temperature Shutdown  
Threshold  
Over-Temperature Shutdown  
Hysteresis  
THYS  
12  
eN  
TC  
Output Noise  
Output Voltage Temperature  
Coefficient  
eNBW = 300Hz to 50kHz  
250  
22  
µVRMS  
ppm/°C  
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.  
3242.2006.04.1.10  
5