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MP8765 датащи(PDF) 3 Page - Monolithic Power Systems

номер детали MP8765
подробное описание детали  24V, 6A High Efficiency Synchronous Step-down Converter
PDF  21 Pages
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производитель  MPS [Monolithic Power Systems]
домашняя страница  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP8765 датащи(HTML) 3 Page - Monolithic Power Systems

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MP8765 ─ 24V, HIGH CURRENT SYNCHRONOUS STEP-DOWN CONVERTER
MP8765 Rev. 1.01
www.MonolithicPower.com
3
2/10/2015
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2015 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 12V, TJ = 25°C, unless otherwise noted.
Parameters
Symbol
Condition
Min
Typ
Max
Units
Supply Current
Supply Current (Shutdown)
IIN
VEN = 0V
0
1
μA
Supply Current (Quiescent)
IIN
VEN = 2V, VFB = 0.65V
100
160
200
μA
MOSFET
High-side Switch On Resistance
HSRDS-ON
38
mΩ
Low-side Switch On Resistance
LSRDS-ON
15
mΩ
Switch Leakage
SWLKG
VEN = 0V, VSW = 0V
0
1
μA
Current Limit
Low-side Valley Current Limit
ILIMIT
TJ = 25°C
6
6.6
7.6
A
Mode Pin
PWM Mode Threshold
VMODE H
2
V
PFM Mode Threshold
VMODE L
0.4
V
Pull-up Current
IMODE PU
2.5
μA
Switching frequency and minimum off timer
Switching frequency
FS
400
500
600
kHz
Minimum Off Time
(6)
TOFF
300
ns
Over-voltage Protection
OVP Threshold
VOVP
125%
130%
135%
VREF
OVP Delay
TOVPDEL
2
μs
Reference And Soft Start
Reference Voltage
VREF
598
604
610
mV
Feedback Current
IFB
VFB = 604mV
10
50
nA
Soft Start Time
TSS
6
7
8
ms
Enable And UVLO
Enable Input Low Voltage
VILEN
1.15
1.25
1.35
V
Enable Hysteresis
VEN-HYS
100
mV
Enable Input Current
IEN
VEN = 2V
3
μA
VEN = 0V
0
VCC Under Voltage Lockout
Threshold Rising
VCCVth
4.6
4.85
V
VCC Under Voltage Lockout
Threshold Hysteresis
VCCHYS
480
mV



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