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AAT2552 参数 Datasheet PDF下载

AAT2552图片预览
型号: AAT2552
PDF下载: 下载PDF文件 查看货源
内容描述: 用于便携式应用的总电源解决方案 [Total Power Solution for Portable Applications]
分类和应用: 便携式
文件页数/大小: 33 页 / 1050 K
品牌: ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
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AAT2552  
Total Power Solution for Portable Applications  
1
Electrical Characteristics  
VINA = VOUT(NOM) + 1V. IOUT = 1mA, COUT = 2.2µF, TA = -40°C to +85°C, unless otherwise noted. Typical val-  
ues are TA = 25°C.  
Symbol  
Description  
Conditions  
Min Typ Max Units  
Linear Regulator  
I
OUTA = 1mA  
TA = 25°C  
TA = -40°C to +85°C  
-1.5  
-2.5  
1.2  
1.5  
2.5  
3.3  
VOUT  
Output Voltage Tolerance  
%
to 300mA  
VOUT  
VFB  
Output Voltage Range  
Feedback Voltage Accuracy  
V
V
1.22 1.24 1.26  
VOUT  
VDO  
+
VIN  
Input Voltage  
5.5  
650  
0.09  
V
2
3
VDO  
ΔVOUT  
VOUT*ΔVIN  
Dropout Voltage  
IOUTA = 300mA; VOUT = 3.3V  
VINA = VOUTA + 1 to 5.0V  
400  
mV  
%/V  
/
Line Regulation  
IOUT  
ISC  
IQ  
ISHDN  
Output Current  
VOUTA > 2.0V  
VOUTA < 0.4V  
VINA = 5V; VENA = VIN  
VINA = 5V; VENA = 0V  
1kHz  
300  
mA  
mA  
µA  
Short-Circuit Current  
Quiescent Current  
Shutdown Current  
400  
85  
150  
1.0  
µA  
70  
50  
30  
Power Supply Rejection  
Ratio  
PSRR  
IOUTA =10mA  
10kHz  
1MHz  
dB  
Over-Temperature  
Shutdown Threshold  
Over-Temperature  
Shutdown Hysteresis  
TSD  
THYS  
eN  
140  
15  
95  
8
°C  
°C  
µVRMS  
Hz  
/
Output Noise  
eNBW = 100Hz to 100kHz  
Output Voltage  
TC  
ppm/°C  
Temperature Coefficient  
Enable Threshold Low  
Enable Threshold High  
Enable Input Current  
VEN(L)  
VEN(H)  
IEN  
0.6  
1.0  
V
V
µA  
1.4  
VINA = VENA = 5.5V  
1. The AAT2552 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 = 2.5V - VOUT  
.
2552.2007.04.1.0  
5
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