MP6401 – 300mA LDO LINEAR REGULATOR WITH INTEGRATED RESET IC
ELECTRICAL CHARACTERISTICS
VIN = (VOUT + 0.5V) or +2.5V, whichever is greater, COUT = 3.3µF. Typical Value at TA = +25°C unless
otherwise noted.
Parameter
Symbol Condition
Min
2.5
1.85
Typ
Max
5.5
2.2
Unit
V
V
Input Supply Range
Input Undervoltage Lockout
Hysteresis of UVLO
VIN
VUVLO
VHYS
VIN falling
2.05
190
mV
Supply
Current)
Current (Ground
IQ
IOUT = 0
80
155
1
μA
μA
Shutdown Supply Current
Regulation Circuit
Output Current
Output Voltage Accuracy
(Fixed Output Voltage)
Adjustable Output Voltage
Range
ISHDN
TA=+25°C
0.1
300
-2
mA
%
1mA ≤ IOUT ≤ 300mA
+2
VADJ
5
V
ADJ Reference Voltage
ADJ Threshold
ADJ Input Leakage Current
VADJ
1.205
1.229
250
±20
1.253
V
mV
nA
IADJ
VADJ = 0, +1.2V
±100
220
Dropout Voltage (Fixed
Output Voltage) (5)
∆VDO
VOUT = +3.3V, IOUT = 300mA
114
mV
Short Current Limit
In Regulation Current Limit
VIN ≥2.5V
VIN ≥2.5V
375
500
mA
mA
Input Reverse Leakage
VIN = 4V, VOUT = 5V, EN
deasserted, TA=+25°C
Current
(OUT
to
IN
0.01
1
μA
Leakage Current)
EN Input Low Voltage
EN Input High Voltage
EN Input Current
Thermal-Shutdown
Temperature
VIL
VIH
0.3VIN
+1
V
V
μA
0.7Vin
-1
EN= VIN or GND, TA=+25°C
0.1
TSHDN
150
°C
°C
Thermal-Shutdown
Hysteresis
∆TSHDN
20
V
I
OUT=1.5V, 2.5V ≤ VIN ≤ 5.5V,
OUT = 10mA
Line Regulation
Load Regulation
0.02
%/V
VOUT = 1.5V, VIN = 2.5V,
0.1
15
%
1mA ≤ IOUT ≤ 150mA
10Hz to 100kHz, CIN = 0.1µF,
Output Voltage Noise
µVRMS
IOUT = 100mA,VOUT = 1.5V
Reset Circuit
MP6401_ _ - _ _ AD_
MP6401_ _ - _ _ BD_
90
85
92.5
87.5
95
90
%
VOUT
VOUT Reset Threshold
VOUT to Reset Delay
VTHOUT
30
3.125
25
μs
D1
D2
2.2
17.5
4.0
32.5
Reset Delay Time
Td
ms
D3
D4
140
200
260
1106
1580
2054
MP6401 Rev. 1.0
www.MonolithicPower.com
4
9/7/2012
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