MP1601 – 1A, SYNCHRONOUS, STEP-DOWN CONVERTER WITH 11µA IQ
ELECTRICAL CHARACTERISTICS
VIN = 3.6V, TJ = -40°C to +125°C. Typical value is tested at TJ = +25°C. The limit over temperature
is guaranteed by characterization, unless otherwise noted.
Parameter
Symbol Condition
Min
Typ
Max
Units
VIN = 5V, VOUT = 1.2V,
1760
2200
2640
kHz
IOUT = 500mA, TJ = 25°C(5)
Switching frequency
fs
VIN = 5V, VOUT = 1.2V,
IOUT = 500mA,
1650
2200
2750
kHz
TJ = -40°C to +125°C(5)
Minimum off time
Minimum on time(5)
Soft-start time
TMIN-OFF
TMIN-ON
TSS-ON
60
60
ns
ns
VOUT rise from 10% to 90%
0.5
ms
Under-voltage lockout threshold
rising
2
2.25
0.4
V
Under-voltage lockout threshold
hysteresis
150
mV
EN input logic low voltage
EN input logic high voltage
Output discharge resistor
V
1.2
V
RDIS
VEN = 0V, VOUT = 1.2V
VEN = 2V
1
1.2
0
kΩ
μA
μA
μA
EN input current
VEN = 0V
Supply current (shutdown)
Supply current (quiescent)
VEN = 0V, TJ = 25°C
0
1
VEN = 2V, VFB = 0.63V,
VIN = 3.6V, 5V, TJ = 25°C
11
50
13
μA
Power Good Leakage Current
(MP1601GTF-XX only)
IPG
100
nA
Power Good Upper Trip
Threshold
(MP1601GTF-XX only)
Vo with Respect to the
Regulation
90
%
Power Good Lower Trip
Threshold
(MP1601GTF-XX only)
85
70
%
μs
Power Good Delay
(MP1601GTF-XX only)
Power Good Sink Current
Capability
Sink 1mA
400
mV
(MP1601GTF-XX only)
Thermal shutdown(6)
160
30
°C
°C
Thermal hysteresis(6)
NOTES:
5) Guaranteed by characterization.
6) Guaranteed by design.
7) Without Sleep Mode.
MP1601 Rev. 1.0
www.MonolithicPower.com
6
3/24/2016
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