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MP28200 датащи(PDF) 4 Page - Monolithic Power Systems

номер детали MP28200
подробное описание детали  Ultra-Low 500nA Iq, High Efficiency, Wide Input 2V-5.5V, 1.5MHz, 200mA, Step-Down Regulator
PDF  17 Pages
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производитель  MPS [Monolithic Power Systems]
домашняя страница  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP28200 датащи(HTML) 4 Page - Monolithic Power Systems

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MP28200 – 5.5V, 200
mA, 1.5MHz, ULTRA-LOW IQ, STEP-DOWN CONVERTER
MP28200 Rev.1.0
www.MonolithicPower.com
4
10/10/2016
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2016 MPS. All Rights Reserved.
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.
Parameters
Symbol
Condition
Min
Typ
Max
Units
Input voltage range
(5)
VIN
2.0
5.5
V
Under-voltage lockout threshold
rising
VIN_UVLO_R
1.65
1.8
1.95
V
Under-voltage lockout threshold
hysteresis
VIN_UVLO_H
150
mV
Supply current (shutdown)
ISD 25
CTRL1/2/3 = 0V, or EN = 0
70
nA
Supply current (quiescent)
IQ_BUCK
No load, CTRL4/5 = 0V,
CTRL1/2/3 = H/L/H,
OUT = 1.8V, not switching
500
nA
High-side switch on resistance
RDSON H
0.25
Ω
Low-side switch on resistance
RDSON L
0.25
Ω
Switch leakage current
ILK_SW
CTRL1/2/3 = 0V, VIN = 5.5V,
VSW = 0V and 5.5V, TJ = 25°C
-100
0
100
nA
High-side current limit
ILIM H
430
550
mA
Low-side switch valley current
(sourcing)
ILIMV_L
250
350
mA
Low-side switch zero crossing
current
IZCD
0
20
mA
On time
TON
VIN = 3.6V, VOUT = 1.8V
280
330
380
ns
Minimum on time
TMIN ON
60
ns
Minimum off time
TMIN OFF
100
ns
Maximum duty cycle
(5)
DMAX
100
%
Output voltage accuracy
VOUT
CTRL1/2/3 = H/L/H,
TJ = 25°C, IOUT = 0.1A
1.782
1.800
1.818
V
CTRL1/2/3 = H/L/H,
TJ = -40°C to 85°C,
IOUT = 0.1A
1.773
1.827
Line/load regulation
(6)
From 2.5V to 5.5V, from 0A to
200mA
-1
1
%
Internal soft-start time
TSS
0.5
ms
Discharge
resistance
during
enable off
RDIS_OFF
50
Ω
CTRL high logic
CTRLH
1.2
V
CTRL low logic
CTRLL
0.4
V
CTRL input current
ICTRL
VCTRL = 3.6V
1
nA
VCTRL = 0V
0
VEN = 0V
0
CTRL turn-on delay
TD
300
μs
CTRL pull-down resistor
RPD
Not present when CTRL is
high to avoid IQ impact
2
MΩ
Power good threshold
PG
FB
with
respect
to
the
regulation
90
%



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