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MP28313CS 数据表(PDF) 3 Page - Monolithic Power Systems

部件名 MP28313CS
功能描述  2A, 16V, 340KHz Synchronous Rectified Step-Down Converter
PDF  11 Pages
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制造商  MPS [Monolithic Power Systems]
网页  http://www.monolithicpower.com
标志 MPS - Monolithic Power Systems

MP28313CS 数据表(HTML) 3 Page - Monolithic Power Systems

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MP28313 – 2A, 16V, 340KHz SYNCHRONOUS RECTIFIED, STEP-DOWN CONVERTER
MP28313 Rev. 1.5
www.MonolithicPower.com
3
9/27/2010
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 12V, TA = +25°C, unless otherwise noted.
Parameter
Symbol Condition
Min
Typ
Max
Units
Shutdown Supply Current
VEN = 0V
1
10
µA
Supply Current
VEN = 2.0V; VFB = 1.0V
1.3
1.8
mA
5V
≤ VIN ≤ 16V, TA =+25°C
0.909
0.923
0.937
V
TA = 0°C to +85°C
.906
.941
Feedback Voltage
VFB
TA = -40°C to +85°C
.905
.941
V
Feedback Overvoltage
Threshold
1.1
V
Error Amplifier Voltage Gain
(5)
AEA
400
V/V
High-Side Switch On Resistance
(5)
RDS(ON)1
130
mΩ
Low-Side Switch On Resistance
(5)
RDS(ON)2
130
mΩ
High-Side Switch Leakage
Current
VEN = 0V, VSW = 0V
10
µA
Upper Switch Current Limit
Minimum Duty Cycle
2.6
3.4
A
Oscillation Frequency
Fosc1
300
340
KHz
Short Circuit Oscillation
Frequency
Fosc2
VFB = 0V
100
KHz
Maximum Duty Cycle
DMAX
VFB = 1.0V
87
90
%
Minimum On Time
(5)
220
340
ns
EN Shutdown Threshold Voltage
VEN Rising
1.1
1.5
2.0
V
EN Shutdown Threshold Voltage
Hysteresis
210
mV
EN Lockout Threshold Voltage
2.2
2.5
2.7
V
EN Lockout Hysterisis
210
mV
Input Under Voltage Lockout
Threshold
VIN Rising
3.80
4.10
4.40
V
Input Under Voltage Lockout
Threshold Hysteresis
210
mV
Soft-Start Current
VSS = 0V
6
µA
Soft-Start Period
CSS = 0.1µF
15
ms
Thermal Shutdown
(5)
145
160
°C
Note:
5) Guaranteed by design, not tested.



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