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MAX38902D-15 PDF预览

MAX38902D-15

更新时间: 2022-05-14 22:15:49
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美信 - MAXIM /
页数 文件大小 规格书
12页 505K
描述
12μVRMS Low Noise 500mA LDO Linear Regulator

MAX38902D-15 数据手册

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MAX38902A/MAX38902B/  
MAX38902C/MAX38902D  
12μV  
Low Noise 500mA  
RMS  
LDO Linear Regulator  
Electrical Characteristics  
(V = 3.6V, T = -40°C to +125°C, C  
= 10nF, C = 4.7µF, C  
= 4.7µF, Typical Operating Circuits. Typical values are at T = +25°C,  
IN  
J
BYP  
IN  
OUT J  
unless otherwise specified. (Note 1)  
PARAMETER  
Input Voltage Range  
Input Undervoltage Lockout  
Output Voltage Range  
Output Capacitance  
SYMBOL  
CONDITIONS  
MIN  
1.7  
1.5  
0.6  
2
TYP  
MAX  
5.5  
UNITS  
V
Guaranteed by Output Accuracy  
V
V
IN  
V
V
V
rising, 100mV hysteresis  
1.6  
1.7  
IN_UVLO  
IN  
IN  
V
C
> V  
+ 0.1V  
5.3  
V
OUT  
OUT  
For stability and proper operation  
4.7  
365  
0.01  
700  
µF  
OUT  
I
I
= 0mA  
600  
0.1  
Q
OUT  
µA  
nA  
Supply Current  
T = +25°C  
J
I
V
EN  
= 0V  
SHUTDOWN  
T = +125°C  
J
I
V
from 0.1mA to 500mA, V from  
IN  
OUT  
Output Accuracy  
(MAX38902A/D Only)  
ACC  
ACC  
+ 0.3V to 5.5V, V > 1.7V,  
-1  
+1  
%
38902A/D  
38902B/C  
OUT  
IN  
VOUT from 0.7V to 5.0V  
I from 0.1mA to 500mA, V from  
OUT  
Output Accuracy  
(MAX38902B/C Only)  
IN  
0.594  
0.6  
0.07  
50  
0.606  
V
%
V
+ 0.3V to 5.5V, V > 1.7V  
OUT IN  
I
V
from 0.1mA to 500mA,  
OUT  
Load Regulation  
Load Transient  
Line Regulation  
Line Transient  
= V  
+ 300mV , V  
= 2.5V  
IN  
OUT  
OUT  
I
t
= 50mA to 500mA to 50mA,  
OUT  
mV  
%
= t  
= 1µs  
RISE  
FALL  
V
V
from V  
+ 0.3V to 5.5V,  
IN  
IN  
OUT  
0.06  
3
> 1.7V, I  
= 200mA  
OUT  
V
t
= 4V to 5V to 4V, I  
= 500mA,  
IN  
OUT  
mV  
= t  
= 5µs  
RISE  
FALL  
V
= 3.6V TDFN  
= 3.6V WLP  
= 2.5V TDFN  
= 2.5V WLP  
= 1.7V TDFN  
= 1.7V WLP  
50  
30  
100  
100  
200  
200  
300  
300  
800  
IN  
V
IN  
V
58  
IN  
Dropout Voltage (Note 2)  
I
= 500mA  
mV  
mA  
OUT  
V
39  
IN  
V
84  
IN  
V
63  
IN  
Current Limit  
Output Noise  
V
= 0V, V - V  
= 500mV  
600  
700  
OUTS/FB  
IN  
OUT  
I
= 100mA,  
OUT  
C
= 47nF  
12  
µV  
RMS  
BYP  
10Hz to 100kHz  
f = 1kHz  
70  
70  
60  
40  
f = 10kHz  
f = 100kHz  
f = 1MHz  
Power Supply Rejection  
Ratio  
PSRR  
I
= 100mA  
dB  
OUT  
BYP Capacitor Range  
BYP Soft-Start Current  
C
Regulator remains stable  
0.001  
0.1  
1.2  
+1  
µF  
µA  
BYP  
From BYP to GND during startup  
50  
0.8  
EN rising  
EN falling  
V
from 1.7V  
IN  
EN Input Threshold  
V
to 5.5V  
0.4  
-1  
0.7  
T = +25°C  
J
+0.001  
0.01  
V
from 1.7V  
EN  
EN Input Leakage Current  
µA  
to 5.5V  
T = +125°C  
J
Maxim Integrated  
4  
www.maximintegrated.com  

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