MP6401 – 300mA LDO LINEAR REGULATOR WITH INTEGRATED RESET IC
ELECTRICAL CHARACTERISTICS
V
IN
= (V
OUT
+ 0.5V) or +2.5V, whichever is greater, C
OUT
= 3.3µF. Typical Value at T
A
= +25°C unless
otherwise noted.
Parameter
Input Supply Range
Input Undervoltage Lockout
Hysteresis of UVLO
Supply
Current (Ground
Current)
Shutdown Supply Current
Regulation Circuit
Output Current
Output Voltage Accuracy
(Fixed Output Voltage)
Adjustable Output Voltage
Range
ADJ Reference Voltage
ADJ Threshold
ADJ Input Leakage Current
Dropout Voltage
Output Voltage)
(5)
(Fixed
Symbol
V
IN
V
UVLO
V
HYS
I
Q
I
SHDN
Condition
V
IN
falling
I
OUT
= 0
T
A
=+25°C
300
1mA
≤
I
OUT
≤
300mA
-2
V
ADJ
V
ADJ
I
ADJ
∆V
DO
V
ADJ
= 0, +1.2V
V
OUT
= +3.3V, I
OUT
= 300mA
V
IN
≥2.5V
V
IN
≥2.5V
V
IN
= 4V, V
OUT
= 5V, EN
deasserted, T
A
=+25°C
V
IL
V
IH
EN= V
IN
or GND, T
A
=+25°C
T
SHDN
∆T
SHDN
V
OUT
=1.5V, 2.5V
≤
V
IN
≤
5.5V,
I
OUT
= 10mA
V
OUT
= 1.5V, V
IN
= 2.5V,
1mA
≤
IOUT
≤
150mA
10Hz to 100kHz, C
IN
= 0.1µF,
I
OUT
= 100mA,V
OUT
= 1.5V
V
THOUT
MP6401_ _ - _ _ AD_
MP6401_ _ - _ _ BD_
D1
D2
D3
D4
90
85
2.2
17.5
140
1106
0.7Vin
-1
1.205
1.229
250
±20
114
375
500
0.01
1
0.3V
IN
0.1
150
20
0.02
0.1
15
92.5
87.5
30
3.125
25
200
1580
95
90
4.0
32.5
260
2054
+1
+2
5
1.253
±100
220
Min
2.5
1.85
Typ
2.05
190
80
0.1
Max
5.5
2.2
155
1
Unit
V
V
mV
μA
μA
mA
%
V
V
mV
nA
mV
mA
mA
μA
V
V
μA
°C
°C
%/V
%
µV
RMS
%
V
OUT
μs
Short Current Limit
In Regulation Current Limit
Input Reverse Leakage
Current
(OUT
to
IN
Leakage Current)
EN Input Low Voltage
EN Input High Voltage
EN Input Current
Thermal-Shutdown
Temperature
Thermal-Shutdown
Hysteresis
Line Regulation
Load Regulation
Output Voltage Noise
Reset Circuit
V
OUT
Reset Threshold
V
OUT
to Reset Delay
Reset Delay Time
T
d
ms
MP6401 Rev. 1.0
9/7/2012
www.MonolithicPower.com
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2012 MPS. All Rights Reserved.
4
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