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MP2141N Datasheet(PDF) 4 Page - Monolithic Power Systems

No. de pieza MP2141N
Descripción Electrónicos  1A, Synchronous, Step-Down Converter with 11uA Quiescent Current
Download  19 Pages
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Fabricante Electrónico  MPS [Monolithic Power Systems]
Página de inicio  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2141N Datasheet(HTML) 4 Page - Monolithic Power Systems

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MP2141N
– 1A, SYNCHRONOUS, STEP-DOWN CONVERTER WITH 11µA I
Q
MP2141N Rev. 1.12
www.MonolithicPower.com
4
7/28/2017
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 3.6V, TJ = -40°C to +125°C
(7). Typical value is tested at T
J
= +25°C. The limit over
temperature is guaranteed by characterization, unless otherwise noted.
Parameter
Symbol
Condition
Min
Typ
Max
Units
Feedback voltage
VFB
2.3
V ≤ V
IN ≤ 5.5V, TJ = 25°
C
594
600
606
mV
TJ = -40°C to +125°C
588
612
Fixed Output Voltage
(8)
Only for MP2141NGTF-
18,IOUT=10mA, TJ = 25°C
1.782
1.8
1.818
V
Only for MP2141NGTF-
18,IOUT=10mA,
TJ = -40°C to +125°C
1.764
1.8
1.836
V
Only for MP2141NGTF-15,
IOUT=10mA, TJ = 25°C
1.485
1.5
1.515
V
Only for MP2141NGTF-15,
IOUT=10mA,
TJ = -40°C to +125°C
1.470
1.5
1.530
V
Feedback current
IFB
VFB = 0.63V
50
100
nA
P-FET switch on resistance
RDSON_P
120
mΩ
N-FET switch on resistance
RDSON_N
80
mΩ
Switch leakage current
VEN = 0V, VIN = 6V,
VSW = 0V and 6V, TJ = 25°C
0
1
μA
P-FET peak current limit
Sourcing
1.8
2.4
A
N-FET valley current limit
Sourcing, valley current limit
1.5
A
ZCD
0
mA
On time
TON
VIN = 5V, VOUT = 1.2V
110
ns
VIN = 3.6V, VOUT = 1.2V
150
Switching frequency
fs
VIN = 5V, VOUT = 1.2V,
IOUT = 500mA, TJ = 25°C
(5)
1760
2200
2640
kHz
VIN = 5V, VOUT = 1.2V,
IOUT = 500mA,
TJ = -40°C to +125°C
(5)
1650
2200
2750
kHz
Minimum off time
TMIN-OFF
60
ns
Minimum on time
(6)
TMIN-ON
60
ns
Soft-start time
TSS-ON
VOUT rise from 10% to 90%
0.5
ms
Under-voltage lockout threshold
rising
2
2.25
V
Under-voltage lockout threshold
hysteresis
150
mV
EN input logic low voltage
0.4
V
EN input logic high voltage
1.2
V
Output discharge resistor
RDIS
VEN = 0V, VOUT = 1.2V
1
kΩ
EN input current
VEN = 2V
1.2
μA
VEN = 0V
0
μA
Supply current (shutdown)
VEN = 0V, TJ = 25°C
0
1
μA


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