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MP2149 数据表(PDF) 3 Page - Monolithic Power Systems

部件名 MP2149
功能描述  6V, 1A, Low Quiescent Current Dual, SYNC Buck Regulator
PDF  13 Pages
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制造商  MPS [Monolithic Power Systems]
网页  http://www.monolithicpower.com
标志 MPS - Monolithic Power Systems

MP2149 数据表(HTML) 3 Page - Monolithic Power Systems

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MP2149 –6V, 1A, LOW QUIESCENT CURRENT, DUAL, SYNC BUCK REGULATOR
MP2149 Rev.1.01
www.MonolithicPower.com
3
5/31/2013
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS (5)
VIN = VEN = 3.6V, TA = +25°C, unless otherwise noted.
Parameters
Symbol Condition
Min
Typ
Max
Units
Supply Current (Quiescent)
IQ
VIN=3.6V, VEN=2V,
VFB = 0.65V
35
45
55
μA
Shutdown Current
VEN = 0V
0
1
μA
IN Under-Voltage Lockout
Threshold
Rising edge
2.4
2.5
2.6
V
IN Under-Voltage Lockout
Hysteresis
300
mV
Regulated FB Voltage
VFB
TA = +25°C
0.596
0.608
0.620
V
FB Input Current
VFB = 0.608V
±10
50
nA
EN, HIGH Threshold
–40°C ≤ TA ≤ +85°C
1.2
V
EN, LOW Threshold
–40°C ≤ TA ≤ +85°C
0.4
V
Internal Soft-Start Time
τSS
0.5
ms
High-Side Switch, ON-
Resistance
RDSON_P VIN=5V
100
mΩ
Low-Side Switch, ON-
Resistance
RDSON_N VIN=5V
40
mΩ
SW Leakage Current
VEN = 0V; VIN = 6V
VSW = 0V and 6V
–1
0
1
μA
High-Side Switch, Current Limit
Sourcing, D=40%
2.5
A
Oscillator Frequency
Both channels work in
CCM
0.8
1
1.2
MHz
Phase Shift
180
degree
Minimum ON Time
(6)
τON_MIN
90
ns
Minimum OFF Time
τOFF_MIN
100
ns
Maximum Duty Cycle
100
%
Thermal Shutdown Threshold
(6)
Hysteresis = 30°C
160
°C
Notes:
5) Production test at +25°C. Specifications over the temperature range are guaranteed by design and characterization.
6) Guarantee by design



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