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MP24971DN Folha de dados(PDF) 3 Page - Monolithic Power Systems

Nome de Peças MP24971DN
Descrição Electrónicos  1.5A, 50V, 100kHz, 5V Fixed Output Step- Down Converter with Programmable Current Limit and Output Line-Drop Compensation
PDF  14 Pages
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Fabricante Electrônico  MPS [Monolithic Power Systems]
Página de início  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP24971DN Folha de dados(HTML) 3 Page - Monolithic Power Systems

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MP24971 –1.5A, 50V, 100kHz, 5V FIXED OUTPUT STEP-DOWN CONVERTER
MP24971 Rev. 1.01
www.MonolithicPower.com
3
1/6/2012
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2012 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 12V, TA = 25°C, unless otherwise noted.
Parameters
Symbol
Condition
Min
Typ
Max
Units
Output Voltage
VOUT
8V
 VIN  50V, RSENSE=0Ω
4.85
5
5.15
V
Output Over-Voltage
Protection
VOVP
5.69
6
6.2
V
Switch-On Resistance
RDS(ON)
0.4
0.5
Ω
Switch Leakage
VISN = 6.5V, VSW = 0V
0.1
1
(5)
μA
Current Limit
3.5
4.4
5.2
A
Oscillator Frequency
fSW
70
100
140
kHz
Bootstrap Voltage
VBST - VSW
4
V
Minimum On Time
tON
50
100
250
ns
SW Rising Edge
tRISE
50
100
ns
SW Falling Edge
tFALL
85
150
ns
Under-Voltage Lockout Threshold
Rising
2.8
3.5
4.2
V
Under-Voltage Lockout Threshold
Hysteresis
200
mV
Load-Line Compensation
Gain
VVOC
VISP-VISN=50mV
200
330
450
mV
VISP-VISN=100mV
500
620
700
Current Sense Voltage
VISP-VISN
VISN=5V
90
100
110
mV
Input Bias Current (ISN, ISP)
IBIAS (ISN,ISP) VISP=VISN=5V
-1
-0.5
+1
μA
Supply Current (Quiescent)
VISN = VVOS = 5.5V
1.2
1.5
mA
Thermal Shutdown
150
°C
Note:
5) Guaranteed by design.



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