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
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