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IRF7821 Datasheet(PDF) 6 Page - Richtek Technology Corporation

No. de pieza IRF7821
Descripción Electrónicos  6A, 24V, 600kHz Step-Down Converter with Synchronous Gate Driver
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Fabricante Electrónico  RICHTEK [Richtek Technology Corporation]
Página de inicio  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

IRF7821 Datasheet(HTML) 6 Page - Richtek Technology Corporation

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6
DS8298-01
November 2011
www.richtek.com
RT8298
Copyright
2011 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
©
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Sync Frequency Range
fSync
0.3
--
1.5
MHz
EN Turn-Off Delay
tOFF
--
10
--
μs
EN Pull Low Current
VEN = 2V
--
1
--
μA
Thermal Shutdown
TSD
--
150
--
°C
Thermal Shutdown Hysteresis
ΔTSD
--
20
--
°C
Power Good Threshold Rising
--
0.75
--
V
Power Good Threshold Hysteresis
--
40
--
mV
Power Good Pin Level
PGOOD Sink 10mA
--
--
0.125
V
BG Driver Bias Supply Voltage
VCC
4.5
5
--
V
Gate Driver Sink Impedance
RSink
--
0.9
--
Ω
Gate Driver Source Impedance
RSource
--
3.3
--
Ω
Note 1. Stresses beyond those listed
“Absolute Maximum Ratings” may cause permanent damage to the device. These are
stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the
operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions may affect
device reliability.
Note 2.
θJA is measured at TA = 25°C on a high effective thermal conductivity four-layer test board per JEDEC 51-7. θJC is
measured at the exposed pad of the package.
Note 3. Devices are ESD sensitive. Handling precaution is recommended.
Note 4. The device is not guaranteed to function outside its operating conditions.


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